Rapid exhaust device

Abstract

The utility model discloses a rapid air exhaust device which comprises a first barrel, a second barrel, a third barrel and a fourth barrel. The lower end of the first barrel is connected with a ship vent pipe through a flange. The first conical section is funnel-shaped, and the lower end of the first conical section is connected with the upper end of the first barrel; the lower end of the second barrel is connected with the upper end of the first conical section; the lower end of the second conical section is connected with the upper end of the second cylinder body; wherein at least two windows are formed in the side wall of the second barrel body, and detachable first steel wire meshes are arranged at the windows. At least two windows are arranged on the side face of the device body, and a corresponding steel wire mesh is arranged on each window, so that the ventilation area of the device is enlarged, and the ventilation efficiency is improved. And the steel wire mesh at the window adopts a detachable design, and dust on the steel wire mesh in the device can be cleaned through the window, so that the maintenance and cleaning difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding technical field, concretely relates to a quick exhaust device. BACKGROUND

[0002] The ship with liquefied natural gas (LNG) storage cabin usually needs to install a gas venting mast. Its main function is to discharge natural gas or nitrogen discharged from the LNG storage cabin safety valve or insulation layer safety valve. The gas venting mast is installed with a gas venting cap at the top. The main function of the ship oil tank gas venting cap is to ventilate, exhaust and prevent foreign matter from entering the oil tank. Through the gas venting cap, the pressure inside and outside the oil tank is balanced, thereby ensuring the normal operation of the oil tank. The design of the gas venting cap not only needs to meet the requirements of physical performance, but also must meet the corresponding safety standards to avoid safety accidents such as leakage or explosion during transportation.

[0003] In addition, most ships can adjust the floating state of the ship by ballast water. When the ballast water tank is filled or pumped, it is easy to cause the ballast water tank to be over-pressurized or under-pressurized, and the load of the ballast water pump will increase sharply, which is easy to damage the water pump, and more seriously, it may also cause damage to the ballast water tank. Therefore, an air pipe for air inlet and outlet needs to be arranged at the top of the ballast water tank, and a weatherproof closing device is arranged at the pipe opening to block seawater and foreign matter from entering the tank. This structure is relatively complex and difficult to maintain and clean. SUMMARY

[0004] Therefore, the utility model embodiment provides a quick exhaust device to solve the problem that the exhaust structure of the ship gas venting pipe in the prior art cannot consider the gas venting effect and the convenience of maintenance and cleaning.

[0005] The utility model embodiment provides a quick exhaust device, which comprises:

[0006] The first cylinder is connected with the ship gas venting pipe through a flange at the lower end;

[0007] The first cone section is in the shape of a funnel, and the lower end is connected with the upper end of the first cylinder;

[0008] The second cylinder is connected with the upper end of the first cone section at the lower end;

[0009] The second cone section is in the shape of an inverted funnel, and the lower end is connected with the upper end of the second cylinder;

[0010] At least two windows are arranged on the side wall of the second cylinder, and a detachable first steel wire mesh is arranged at the window.

[0011] Optionally, the quick exhaust device further comprises:

[0012] A second steel wire mesh is fixed at a position below the window of the second cylinder.

[0013] Optionally, the upper end of the first cone section is stepped; the second wire mesh is placed on the step of the first cone section.

[0014] Optionally, the upper end of the second cone section is a circular opening, and a plurality of flange holes are arranged around the opening; the third wire mesh is fixed at the upper end opening of the second cone section through the plurality of flange holes and bolts.

[0015] Optionally, further comprising:

[0016] A funnel device composed of a water collecting tank and a water leakage pipe; wherein the water collecting tank is fixed on the stepped hole of the first cone section through four supports; the water leakage pipe extends outside through the side wall opening of the first cone section.

[0017] Optionally, the second wire mesh is annular; the outer edge of the water collecting tank covers the inner ring edge of the second wire mesh.

[0018] Optionally, the center of the third wire mesh and the center of the water collecting tank are on the same longitudinal axis; the diameter of the third wire mesh is smaller than the diameter of the water collecting tank.

[0019] Optionally, the four supports are arranged above the second wire mesh; the supports are provided with through holes; the second wire mesh is fixedly connected with the supports through bolts.

[0020] Optionally, the first wire mesh, the second wire mesh and the third wire mesh are coated with a fireproof material.

[0021] Optionally, four windows are equidistantly arranged on the side wall of the second cylinder.

[0022] The beneficial effects of the utility model are as follows:

[0023] The utility model embodiment provides a kind of quick exhaust device, it is mainly applied to ship breather pipe, using flange connection, easy to disassemble, cabin exhaust can be directly discharged to atmosphere by the quick exhaust device provided in this embodiment. By setting an opening in the top, a flange type wire mesh is connected to the body by bolt, so as to avoid external objects falling into the device, and the opening can also be used to clean the dust on the wire mesh inside the device.

[0024] Four windows are arranged on the side of the device body, and corresponding wire meshes are arranged on the four windows, so as to increase the ventilation area of the device and improve the ventilation efficiency. The wire meshes at the four windows are designed to be detachable, so that the dust on the wire meshes inside the device can be cleaned through the four windows, thereby reducing the difficulty of maintenance and cleaning.

[0025] The funnel device at the center position inside the device avoids rainwater from flowing back into the pipeline or equipment.

[0026] The steel wire mesh of the top opening of the device and the four openings of the side of the body is replaced by fireproof mesh, so that the device can be arranged in some high-risk places, such as a paint room, a battery room and the like. BRIEF DESCRIPTION OF DRAWINGS

[0027] The features and advantages of the present application will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, given by way of illustration, and thus not be restrictive of the present application, in which:

[0028] Figure 1 Fig. 1 shows a front view of a quick exhaust device according to an embodiment of the present application;

[0029] Figure 2 Fig. 2 shows a cross-sectional view of the quick exhaust device according to an embodiment of the present application;

[0030] Figure 3 Fig. 3 shows another cross-sectional view of the quick exhaust device according to an embodiment of the present application. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] As shown in Figure 1 the present application provides a quick exhaust device, which comprises a first cylinder 1, a first cone section 2, a second cylinder 3 and a second cone section 4. The lower end of the first cylinder 1 is connected to a ship vent pipe through a flange 5. The first cone section 2 is in the shape of a funnel, and its lower end is connected to the upper end of the first cylinder 1. The lower end of the second cylinder 3 is connected to the upper end of the first cone section 2. The second cone section 4 is in the shape of an inverted funnel, and its lower end is connected to the upper end of the second cylinder 3. At least two windows are formed in the side wall of the second cylinder 3, and a first detachable steel wire mesh 6 is arranged at the windows.

[0033] The present application provides a quick exhaust device, which comprises a first cylinder, a first cone section, a second cylinder and a second cone section, and is fixed by welding. Four windows are arranged on the side of the body of the device, and corresponding steel wire meshes are arranged on the four windows, so as to increase the ventilation area of the device and improve the ventilation efficiency. The steel wire meshes at the four windows are designed to be detachable, so that the dust on the steel wire meshes inside the device can be cleaned through the four windows, thereby reducing the difficulty of maintenance and cleaning.

[0034] In the installation, the flange hole in the outer edge of the first cylinder of the body bottom is connected with the flange hole at the air breather pipe of the ship.

[0035] As an optional embodiment, it further comprises a second steel wire mesh 7 fixed at a position below the window of the second cylinder 3.

[0036] In this embodiment, as shown in the figure, the steel wire mesh is arranged inside the quick exhaust device to avoid foreign objects falling into the air breather pipe. Figure 2

[0037] As an optional embodiment, the upper end of the first cone section 2 is stepped; the second steel wire mesh is placed on the step of the first cone section 2.

[0038] In this embodiment, the second steel wire mesh is supported by the step structure of the first cone section due to the rigidity of the steel wire mesh itself.

[0039] As an optional embodiment, the upper end of the second cone section 4 is a circular opening, and a plurality of flange holes are arranged around the opening; the third steel wire mesh 8 is fixed at the upper end opening of the second cone section 4 through the plurality of flange holes and bolts.

[0040] In this embodiment, foreign objects are prevented from falling into the device, and the second steel wire mesh inside the device can also be cleaned through the opening.

[0041] As an optional embodiment, it further comprises a funnel device composed of a water collecting tank 9 and a water leakage pipe 10. As shown in the figure, the water collecting tank 9 is fixed on the stepped hole of the first cone section through four supports 11. The water leakage pipe 10 extends outside through the opening in the side wall of the first cone section. Figure 3

[0042] In this embodiment, the four supports 11 are placed above the second steel wire mesh 7, and a through hole (not shown in the figure) is arranged in the middle of the support. The support and the second steel wire mesh are fixed and connected through the through hole by bolts, and the four supports provide upward tension to the second steel wire mesh.

[0043] As an optional embodiment, the second steel wire mesh 7 is annular; the outer edge of the water collecting tank covers the inner edge of the second steel wire mesh.

[0044] In this embodiment, the outer edge of the water collecting tank is slightly higher than the inner ring of the annular steel wire mesh, so as to prevent dust on the annular steel wire mesh from entering the water collecting tank.

[0045] As an optional embodiment, the center of the third steel wire mesh and the center of the water collecting tank are on the same longitudinal axis. The diameter of the third steel wire mesh is smaller than the diameter of the water collecting tank.

[0046] ​​In the embodiment, the dust entering the inside of the device through the window of the second cylinder side wall is blocked by the second steel wire mesh, and the rainwater entering the inside of the device through the third steel wire mesh is collected and discharged through the funnel device, so the area of the water collecting tank needs to be larger than the area of the third steel wire mesh to ensure that the rainwater entering from above cannot enter the pipeline. The funnel device at the central position of the inside of the device avoids the rainwater from flowing back to the pipeline or the inside of the device.

[0047] As an optional implementation, the first steel wire mesh, the second steel wire mesh and the third steel wire mesh are coated with a fireproof material.

[0048] In the embodiment, the steel wire meshes of the top opening of the device and the four openings of the body side are replaced with fireproof meshes, and the device can be arranged in some high-risk places such as paint rooms and battery rooms.

[0049] The embodiment of the utility model provides a kind of quick exhaust device, it is mainly applied to ship, using flange connection, it is convenient to disassemble, cabin exhaust can be directly discharged to atmosphere by the quick exhaust device provided in the embodiment. By opening an opening in the top, a flange steel wire mesh is bolted to the body, so that foreign objects are prevented from falling into the device, and the opening can also be used to clean dust on the steel wire mesh inside the device.

[0050] The embodiment of the utility model provides a kind of quick exhaust device can be applied and popularized in all ship cabin exhaust systems.

[0051] Although the embodiments of the utility model are described in combination with the drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A rapid air exhaust device characterized by comprising: The utility model relates to a kind of ship air pipe, including: First cylinder, its lower end is connected with ship air pipe through flange; First cone section, funnel-shaped, its lower end is connected with the upper end of the first cylinder; Second cylinder, its lower end is connected with the upper end of the first cone section; Second cone section, inverted funnel-shaped, its lower end is connected with the upper end of the second cylinder; Wherein, at least two windows are opened on the side wall of the second cylinder, and the window is equipped with detachable first wire mesh.

2. The rapid air exhaust device according to claim 1, wherein Further including: Second wire mesh, fixed in the position below the window of the second cylinder.

3. The rapid air exhaust device according to claim 2, wherein The upper end of the first cone section is stepped;Second wire mesh is placed on the step of the first cone section.

4. The rapid air exhaust device according to claim 3, wherein The upper end of the second cone section is circular opening, and a plurality of flange holes are arranged around the opening;Third wire mesh is fixed in the upper end opening of the second cone section by a plurality of flange holes and bolts.

5. The device according to claim 4, wherein Further including: Funnel device composed of water collecting tank and water leakage pipe;Wherein, the water collecting tank is fixed on the step hole of the first cone section by four supports; The water leakage pipe is stretched outside through the side wall opening of the first cone section.

6. The device according to claim 5, wherein Second wire mesh is annular;The outer edge of the water collecting tank is covered above the inner ring edge of the second wire mesh.

7. The device according to claim 6, wherein The center of third wire mesh and the center of water collecting tank are on the same longitudinal axis;The diameter of third wire mesh is less than the diameter of water collecting tank.

8. The rapid air exhaust device according to claim 5, wherein Four supports are arranged above the second wire mesh;Through hole is arranged on the support;Second wire mesh is fixedly connected with the support by bolt.

9. The rapid air exhaust device according to claim 4, wherein Fireproof material is coated on the first wire mesh, the second wire mesh and the third wire mesh.

10. The rapid air exhaust device according to claim 1, wherein Four windows are equidistantly opened on the side wall of the second cylinder.

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