CN-224201512-U - Gas collection device of LNG boats and ships

Abstract

The utility model belongs to the technical field of ships, and particularly relates to a gas collecting device of an LNG ship, which comprises a base, wherein the upper end of the base is fixedly connected with a collecting tank, the outer side of the collecting tank is fixedly connected with a fixing frame, the fixing frame is fixedly connected with the base, the collecting tank is provided with a gas inlet, the collecting tank is provided with a gas outlet, and connecting pipes are respectively contacted with the gas inlet and the gas outlet. According to the utility model, through designing the parts such as the connecting shell, the screw rod, the handle, the rotating plate, the fixed block, the annular groove and the like, the rotating screw rod and the connecting shell perform threaded movement, the screw rod rotates to drive the semicircular sealing sleeve and the like to move, and the semicircular sealing sleeve moves to contact the air inlet, the air outlet and the connecting pipe, so that the joint of the air inlet and the connecting pipe, the joint of the air outlet and the connecting pipe are sealed, and the gas leakage at the joint of the air inlet and the connecting pipe, and the joint of the air outlet and the connecting pipe on the device is prevented.

Inventors

• LIU DONGLIANG
• Xing Dulin
• YAO WENLONG
• ZHAO WEIDONG
• Zou Xingji
• LIU YINGHUA
• WANG KELU

Assignees

• 蓬莱中柏京鲁船业有限公司

Dates

Publication Date

20260505

Application Date

20250509

Claims (6)

1. 1. The gas collection device of the LNG ship comprises a base (1) and is characterized in that the upper end of the base (1) is fixedly connected with a collection tank (2), the outer side of the collection tank (2) is fixedly connected with a fixing frame (3), the fixing frame (3) is fixedly connected with the base (1), an air inlet (4) is formed in the collection tank (2), an air outlet (5) is formed in the collection tank (2), connecting pipes (6) are respectively contacted with the air inlet (4) and the air outlet (5), sealing mechanisms (7) are respectively arranged on the outer sides of the air inlet (4) and the air outlet (5), and a pressure release mechanism (8) is arranged on the collection tank (2).
2. 2. The LNG ship's gas collecting device according to claim 1, wherein the sealing mechanism (7) comprises a connecting shell (71), the outside of the air inlet (4) and the air outlet (5) is fixedly connected with the connecting shell (71), the connecting shell (71) is in contact with the connecting pipe (6), a screw (72) is connected to the inside of the connecting shell (71) through threads, a rotating plate (74) is fixedly connected to the screw (72), a fixed block (75) is contacted to one side, far away from the screw (72), of the rotating plate (74), an annular groove (76) is formed in the inside of the fixed block (75), a semicircular sleeve (78) is contacted to the inside of the connecting shell (71), a guide groove (79) is formed in the inside of the connecting shell (71), a semicircular sealing sleeve (711) is fixedly connected to the inside of the connecting shell (71), the semicircular sealing sleeve (78) is contacted with the connecting pipe (6), and the semicircular sealing sleeve (711) is contacted with the air outlet (711) and the air inlet (5).
3. 3. The gas collecting device for an LNG ship according to claim 2, wherein a handle (73) is fixedly connected to the screw (72), and the handle (73) is made of iron.
4. 4. A gas collecting device for LNG ships according to claim 2, wherein the inside of the annular groove (76) is slidingly connected with a rotating block (77), and the rotating block (77) is fixedly connected with a rotating plate (74).
5. 5. The gas collecting device of the LNG ship as claimed in claim 2, wherein the guide block (710) is slidably connected to the inside of the guide groove (79), and the guide block (710) is fixedly connected to the semicircular sleeve (78).
6. 6. The LNG ship's gas collecting device according to claim 1, wherein the pressure release mechanism (8) comprises a pressure display meter (81), the inside of the collecting tank (2) is provided with the pressure display meter (81), the upper end fixedly connected with gas storage shell (82) of collecting tank (2), the inside of collecting tank (2) is provided with outlet duct (83), outlet duct (83) and gas storage shell (82) fixed connection, the upper end fixedly connected with cylinder (84) of gas storage shell (82), the lower extreme of cylinder (84) is provided with cylinder pole (85), cylinder pole (85) and gas storage shell (82) sliding connection, the inside fixed sleeve joint seal cover (86) of gas storage shell (82), seal cover (86) and cylinder pole (85) sliding connection, the lower extreme fixedly connected with connecting block (87) of cylinder pole (85), the outside fixedly connected with dog (88) of connecting block (87), dog (88) and gas storage shell (83) contact, dog (88) and gas storage shell (82) contact.

Description

Gas collection device of LNG boats and ships Technical Field The utility model relates to the technical field of ships, in particular to a gas collecting device of an LNG ship. Background An LNG ship is a ship that uses LNG (liquefied natural gas) as a power fuel. Under the large background of global advocation of green environmental protection and sustainable development, the shipping industry is taken as an important pillar of international trade, and the energy conservation and emission reduction revolution is not sustained. LNG vessels are becoming pioneering forces leading the shipping industry to the green future with their unique advantages. LNG is typically stored as a primary fuel for a ship using a dedicated gas collection device. For example, the utility model patent with publication number CN220332890U discloses a gas collecting device for inland LNG ship, this gas collecting device for inland LNG ship, including the device body, the top fixed mounting of device body has the combustible gas detector, the top fixed mounting of device body has two sets of mount pad, this a gas collecting device for inland LNG ship can check the impaction thing through the baffle, prevent the impaction thing and directly strike the device body, play the effect of protection, can alleviate the impact through telescopic link cooperation spring, cooperation L pole, slide bar, helical groove can make the drum rotate when the baffle receives the striking, cooperation drive bevel gear and driven bevel gear can drive bull stick and protection casing rotation, and make two sets of protection casings rotate the laminating together, protect the combustible gas detector, prevent that the combustible gas detector from receiving the striking, further improve the protection effect. However, in the prior art, the device has no sealing mechanism, the connection part of the air inlet and the connecting pipe, the connection part of the air outlet and the connecting pipe are inconvenient to seal, so that the connection part of the air inlet and the connecting pipe, the connection part of the air outlet and the connecting pipe on the device are easy to have gas leakage, the device has no pressure release mechanism, the pressure of the device is inconvenient to release when the pressure of the device is too high, and the device is unsafe to use. Therefore, improvements are needed. Disclosure of utility model The utility model aims to provide a gas collecting device of an LNG ship, which solves the problems that the device is not provided with a sealing mechanism, the connection part of an air inlet and a connecting pipe and the connection part of an air outlet and the connecting pipe are inconvenient to seal, so that the connection part of the air inlet and the connecting pipe and the connection part of the air outlet and the connecting pipe on the device are easy to leak gas, the device is not provided with a pressure release mechanism, the pressure of the device is inconvenient to release when the pressure of the device is too high, and the device can not be used safely. In order to achieve the above purpose, the gas collecting device of the LNG ship comprises a base, wherein the upper end of the base is fixedly connected with a collecting tank, the outer side of the collecting tank is fixedly connected with a fixing frame, the fixing frame is fixedly connected with the base, the collecting tank is provided with a gas inlet, the collecting tank is provided with a gas outlet, the gas inlet and the gas outlet are respectively contacted with a connecting pipe, the outer sides of the gas inlet and the gas outlet are respectively provided with a sealing mechanism, and the collecting tank is provided with a pressure relief mechanism. Preferably, the sealing mechanism comprises a connecting shell, the outside of air inlet and gas outlet is all fixedly connected with and is connected with the shell, connect shell and connecting pipe contact, the inside of connecting the shell is through threaded connection has the screw rod, fixedly connected with rotor plate on the screw rod, one side contact that the screw rod was kept away from to the rotor plate has the fixed block, the ring channel has been seted up to the inside of fixed block, the inside contact of connecting the shell has semi-circular cover, semi-circular cover and fixed block fixed connection, the guide way has been seted up to the inside of connecting the shell, the inside contact of connecting the shell has semi-circular seal cover, semi-circular seal cover of fixedly connected with, semi-circular seal cover and connecting pipe contact, air inlet and gas outlet all contact with semi-circular seal cover. The screw rod is rotated to drive the semicircular sealing sleeve and other parts to move through the threaded movement of the rotating screw rod and the connecting shell, the semicircular sealing sleeve is in movable contact with the air inlet, the air outlet and the connecting p