CN216969935U - Maintenance-free oil-blocking cargo hold ventilating device for oil tanker - Google Patents
Maintenance-free oil-blocking cargo hold ventilating device for oil tanker Download PDFInfo
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- CN216969935U CN216969935U CN202220045011.1U CN202220045011U CN216969935U CN 216969935 U CN216969935 U CN 216969935U CN 202220045011 U CN202220045011 U CN 202220045011U CN 216969935 U CN216969935 U CN 216969935U
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Abstract
The invention discloses a maintenance-free oil-blocking cargo hold ventilating device for an oil tanker, which relates to the field of ship construction and comprises a first communication port and a second communication port, wherein the first communication port and the second communication port are arranged on a main deck and communicated with an oil hold; the top parts of the first sleeve and the second sleeve are communicated with an oil-resistant barrel together, and the middle part of the inner side wall of the oil-resistant barrel is horizontally connected with an oil-resistant baffle right above the first sleeve; the oil-blocking barrel is provided with a gas outlet right above the oil-blocking baffle, and the gas outlet is communicated with the ventilation valve through a gas output pipeline. The invention effectively prevents the spilled oil from being sprayed out through the vent valve, and reduces the risk of polluting the deck of the oil tanker or causing a fire and explosion accident.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a maintenance-free oil-blocking cargo hold ventilating device for an oil tanker.
Background
The oil tanker has the main function of bearing and transporting oil products and is provided with a large number of oil tanks. The oil tank needs to be kept in a stable pressure state, and the pressure in the tank can be changed when the oil is loaded and the liquid in the tank moves freely from the liquid level of the oil. In order to keep the pressure in the cargo hold within a certain reasonable range, each cargo hold needs to be provided with a ventilation valve.
The conventional design of vent valve installation has problems: when the liquid level in the tank is high in the normal navigation stage of the oil tanker, when the oil tanker encounters heavy-wave weather, the free liquid level shakes, so that oil easily overflows from the ventilating device, the deck of the oil tanker is polluted, and even an explosion accident occurs; the ventilation device with the conventional design needs to be provided with an operation platform independently for maintaining and repairing the ventilation valve device; the ventilation pipeline of conventional design needs to be provided with an independent blowing device and a release device, so that the workload of operating and maintaining crews is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a maintenance-free oil-blocking cargo tank ventilating device for an oil tanker so as to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a maintenance-free oil-blocking cargo tank ventilating device for a tanker comprises a first communicating port and a second communicating port which are arranged on a main deck and communicated with an oil tank, wherein the top end of the first communicating port is connected to a first sleeve pipe, and the top end of the second communicating port is connected to a second sleeve pipe;
the top parts of the first sleeve and the second sleeve are communicated with an oil-blocking barrel together, and the middle part of the inner side wall of the oil-blocking barrel is horizontally connected with an oil-blocking baffle right above the first sleeve; the oil blocking barrel is provided with a gas outlet right above the oil blocking baffle, and the gas outlet is communicated with the ventilation valve through a gas output pipeline.
The oil baffle is in a semicircular structure.
The gas output pipeline is a short flange pipe at the upper end.
The upper flange short pipe is connected with the ventilation valve through an upper flange component.
The bottom of the oil-blocking barrel extends out of a lower end flange main short pipe and a lower end flange auxiliary short pipe, and the lower end flange main short pipe and the lower end flange auxiliary short pipe are respectively connected with the first sleeve and the second sleeve through lower flange components.
And a reinforced toggle plate is arranged at the included angle between the upper end flange short pipe and the oil resistance barrel upper cover of the oil resistance barrel.
The bottom of the oil-blocking barrel horizontally extends out of the pedal device.
The pedal device is a pedal plate.
And deck vent pipes are arranged in the first sleeve and the second sleeve.
Compared with the prior art, the invention has the advantages that the invention effectively prevents the spilled oil from being sprayed out through the vent valve, reduces the risk of polluting the deck of the oil tanker or causing a fire and explosion accident, and utilizes the gravity principle of the spilled oil liquid to achieve the function of automatically discharging the spilled oil to the cabin, thereby reducing the construction cost caused by the need of independently arranging a blowing device and a discharging device.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
fig. 2 is a sectional view a-a of fig. 1.
In the figure, 1, a vent valve, 2, an oil resistance device, 2.1, an upper end flange short pipe, 2.2, a reinforced toggle plate, 2.3, an upper cover of the oil resistance barrel, 2.4, a connecting bolt and a nut, 2.5, the oil resistance barrel, 2.6, a pedal device, 2.7, a lower end flange main short pipe, 2.8, a lower end flange auxiliary short pipe, 2.9, a bottom cover plate of the oil resistance device, 2.10, an oil resistance baffle plate, 3, a deck vent pipe, 4, a first sleeve, 5, an upper flange assembly, 6, a lower flange assembly, A, a main deck, B, an oil cabin, I and gas flow direction, II, cargo oil flow direction, B and a welding point.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 2, the maintenance-free oil-blocking cargo tank ventilating device for the oil tanker comprises a first communication port and a second communication port which are arranged on a main deck and communicated with an oil tank, wherein the top end of the first communication port is connected to a first sleeve pipe 4, and the top end of the second communication port is connected to a second sleeve pipe;
the top parts of the first sleeve 4 and the second sleeve are communicated with an oil-blocking barrel 2.5 together, and the middle part of the inner side wall of the oil-blocking barrel 2.5 is horizontally connected with an oil-blocking baffle 2.10 right above the first sleeve 4; the oil blocking barrel 2.5 is provided with a gas outlet right above the oil blocking baffle 2.10, and the gas outlet is communicated with the ventilation valve 1 through a gas output pipeline.
The oil baffle 2.10 is of a semicircular structure.
The gas output pipeline is a flange short pipe 2.1 at the upper end.
The upper flange short pipe 2.1 is connected with the vent valve 1 through an upper flange component 5.
The bottom of the oil resistance barrel 2.5 extends out of a lower end flange main short pipe 2.7 and a lower end flange auxiliary short pipe 2.8, and the lower end flange main short pipe 2.7 and the lower end flange auxiliary short pipe 2.8 are respectively connected with the first sleeve 4 and the second sleeve through a lower flange component 6.
And a reinforced toggle plate 2.2 is arranged at the included angle between the upper flange short pipe 2.1 and the oil-resistant barrel upper cover 2.3 of the oil-resistant barrel 2.5.
The bottom of the oil-resistant barrel 2.5 horizontally extends out of the pedal device 2.6.
The pedal means 2.6 is a foot pedal.
The first sleeve 4 and the second sleeve are internally provided with a deck vent pipe 3.
The advantage of the present invention over the prior art is that,
the oil blocking device 2 comprises an oil blocking barrel 2.5 and each part on the oil blocking barrel 2.5.
The first and second casings 4, a are welded to the main deck a.
The bottom of the oil resistance barrel 2.5 is welded with an oil resistance device bottom cover plate 2.9, the oil resistance device bottom cover plate 2.9 is welded with a lower end flange main short pipe 2.7 and a lower end flange auxiliary short pipe 2.8, wherein the lower end flange main short pipe 2.7 and the upper end flange short pipe 2.1 of the oil resistance device 2 are kept in alignment;
the top of the oil resistance barrel 2.5 is fixed with an oil resistance barrel upper cover 2.3 through a connecting bolt and a connecting nut 2.4.
When the oil tank B is used, liquid cargo in the oil tank B is easy to overflow through the deck vent pipe 3 due to shaking, the semi-circular oil blocking baffle 2.10 can effectively prevent oil from overflowing from the main short pipe 2.7 of the lower end flange, and meanwhile, oil can be discharged into the oil tank B through the auxiliary short pipe 2.8 of the lower end flange of the oil blocking device 2;
the oil blocking barrel upper cover 2.3 can effectively prevent the lower end flange auxiliary short pipe 2.8 from spilling oil, and meanwhile, the oil is discharged into the oil tank B through the lower end flange main short pipe 2.7.
The invention effectively prevents the spilled oil from being sprayed out through the vent valve 1, reduces the risk of polluting the deck of the oil tanker or causing a fire and explosion accident, achieves the function of automatically discharging the spilled oil into the cabin by utilizing the gravity principle of the spilled oil liquid, and reduces the construction cost caused by the need of independently arranging a blowing and discharging device.
In order to keep the pressure in the oil tank B stable, gas can be effectively discharged to the atmosphere through the vent valve 1 according to the gas flow direction I, the pressure in the oil tank B is kept stable, and the use function of the vent valve 1 is achieved.
An operator can maintain the ventilation valve 1 by ascending to the oil blocking barrel upper cover 2.3 through the pedal device 2.6. The pedal device 2.6 replaces the traditional independent pedal device, saves materials and is convenient to use.
The oil blocking device 2 is provided with a flange component and a flange component which are connected up and down, so that the oil blocking device 2 can be conveniently disassembled and assembled.
The flow of cargo to II in figure 1 shows the flow of cargo. Also shown in fig. 2 is weld b.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The maintenance-free oil-blocking cargo tank ventilating device for the oil tanker is characterized by comprising a first communication port and a second communication port, wherein the first communication port and the second communication port are arranged on a main deck and communicated with an oil tank, the top end of the first communication port is connected to a first sleeve (4), and the top end of the second communication port is connected to a second sleeve;
the top parts of the first sleeve (4) and the second sleeve are communicated with an oil-blocking barrel (2.5), and the middle part of the inner side wall of the oil-blocking barrel (2.5) is horizontally connected with an oil-blocking baffle (2.10) right above the first sleeve (4); and a gas outlet is formed in the oil blocking barrel (2.5) right above the oil blocking baffle (2.10), and the gas outlet is communicated with the ventilation valve (1) through a gas output pipeline.
2. The maintenance-free oil-blocking cargo tank ventilating device of the oil tanker according to claim 1, wherein the oil-blocking baffle (2.10) is of a semicircular structure.
3. The maintenance-free oil-resistant cargo tank ventilating device for the tanker according to claim 1, wherein the gas output pipeline is an upper flange stub (2.1).
4. The maintenance-free oil-resistant cargo tank ventilating device for the tanker according to claim 3, wherein the upper flange stub (2.1) is connected with the ventilating valve (1) through an upper flange assembly (5).
5. The maintenance-free oil-blocking cargo tank ventilating device for the tanker according to claim 1, wherein a lower flange main short pipe (2.7) and a lower flange auxiliary short pipe (2.8) extend from the bottom of the oil-blocking barrel (2.5), and the lower flange main short pipe (2.7) and the lower flange auxiliary short pipe (2.8) are connected with the first sleeve (4) and the second sleeve respectively through a lower flange assembly (6).
6. The maintenance-free oil-blocking cargo tank ventilating device of the tanker according to claim 3, wherein a reinforcing toggle plate (2.2) is arranged at an included angle between the upper end flange short pipe (2.1) and an upper cover (2.3) of the oil-blocking barrel (2.5).
7. The maintenance-free oil-resistant cargo tank ventilating device of the tanker according to claim 1, wherein a foot pedal device (2.6) extends horizontally from the bottom of the oil-resistant barrel (2.5).
8. The maintenance-free oil-resistant cargo tank ventilating device for a tanker according to claim 7, wherein said pedal means (2.6) is a foot pedal.
9. The maintenance-free oil-resistant cargo tank ventilating device for the oil tanker according to claim 1, wherein a deck ventilating pipe (3) is arranged in each of the first sleeve (4) and the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045011.1U CN216969935U (en) | 2022-01-10 | 2022-01-10 | Maintenance-free oil-blocking cargo hold ventilating device for oil tanker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220045011.1U CN216969935U (en) | 2022-01-10 | 2022-01-10 | Maintenance-free oil-blocking cargo hold ventilating device for oil tanker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216969935U true CN216969935U (en) | 2022-07-15 |
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ID=82350385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220045011.1U Active CN216969935U (en) | 2022-01-10 | 2022-01-10 | Maintenance-free oil-blocking cargo hold ventilating device for oil tanker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216969935U (en) |
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2022
- 2022-01-10 CN CN202220045011.1U patent/CN216969935U/en active Active
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