LNG (Liquefied Natural Gas) filling system of LNG dual-fuel ship

Abstract

The utility model discloses an LNG (Liquefied Natural Gas) filling system of an LNG dual-fuel ship, which comprises a pressurized LNG tank car, a plurality of LNG filling tank cars, an LNG gasification pressurization skid and an LNG filling skid, a liquid phase outlet of the pressurized LNG tank car is connected with an inlet of the LNG gasification pressurization skid through a hose, and a liquid phase outlet of the LNG gasification pressurization skid is connected with an outlet of the LNG filling skid through a hose. A gas phase outlet of the LNG gasification pressurization skid is connected with one LNG filling tank car through a plurality of hoses, liquid phase outlets of the LNG filling tank cars are connected with an inlet of the LNG filling skid through hoses, and the LNG filling skid is connected with an LNG dual-fuel ship filling station. According to the LNG filling system of the LNG dual-fuel ship, the mode that multiple vehicles are used for filling the ship at the same time is adopted, the filling safety can be met, the filling speed can be increased, the whole filling process is optimized, and the efficiency of the filling process is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to shipbuilding technical field, especially relate to a LNG filling system of LNG dual-fuel ship. BACKGROUND

[0002] At present, a large number of LNG dual-fuel ships are newly built, and due to the restriction of filling conditions, LNG dual-fuel filling to the ship through a tank truck becomes a main approach, that is, to meet the small filling amount of the newly built ship, the uneconomicalness of filling by using a LNG filling ship, and the timeliness of filling LNG to the ship when there is no filling ship. The LNG filling process using a common tank truck to fill LNG to the ship will have a low filling rate, thereby causing the problem of low efficiency of the whole filling process. UTILITARY MODEL

[0003] In view of the above problems, the utility model provides a LNG filling system of LNG dual-fuel ship, which adopts the form of filling the ship by multiple tank trucks at the same time, can meet the safety of filling, can improve the filling rate, and achieves the optimization of the whole filling process and improves the efficiency of the filling process.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A LNG filling system of LNG dual-fuel ship, comprising a pressurized LNG tank truck, multiple LNG filling tank trucks, a LNG gasification pressurization pry block and a LNG filling pry block, the liquid phase outlet of the pressurized LNG tank truck is connected with the inlet of the LNG gasification pressurization pry block through a hose, the gas phase outlet of the LNG gasification pressurization pry block is connected with one of the LNG filling tank trucks through multiple hoses, the liquid phase outlets of the multiple LNG filling tank trucks are connected with the inlet of the LNG filling pry block through hoses, and the LNG filling pry block is connected with a LNG dual-fuel ship filling station.

[0006] Further, two liquid phase outlets are arranged on the pressurized LNG tank truck, and the two liquid phase outlets are respectively connected with the inlet of the LNG gasification pressurization pry block through a hose.

[0007] Further, multiple gas phase outlets are arranged on the LNG gasification pressurization pry block, and the multiple gas phase outlets are respectively connected with one of the LNG filling tank trucks through a hose.

[0008] Further, a control valve is arranged on each of the hoses.

[0009] Further, the filling rate of the LNG filling pry block to the LNG dual-fuel ship is not greater than 7 m / s.

[0010] The utility model discloses a LNG dual -fuel ship's LNG filling system, the utility model tank truck to ship LNG filling process method, utilize a pressurization LNG tank truck to give several LNG filling tank trucks through LNG gasification pressurization pry block pressurization, after several LNG filling tank trucks connect LNG filling pry block through hose, through a hose to the filling ship and carries out LNG filling, this filling process method under the premise of guaranteeing safety, completes several tank trucks to the filling of LNG dual -fuel ship simultaneously, effectively improves the rate of filling, and then optimizes the whole LNG filling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the schematic diagram of LNG dual -fuel ship's LNG filling system of the utility model.

[0012] Among them, 1 - pressurization LNG tank truck, 2 - LNG filling tank truck, 3 - LNG gasification pressurization pry block, 4 - LNG filling pry block, 5 - control valve, 6 - hose. DETAILED DESCRIPTION

[0013] The utility model will be further described in connection with the drawings and specific embodiment.

[0014] As Figure 1 Shown, a kind of LNG dual -fuel ship's LNG filling system, including one pressurization LNG tank truck 1, multiple LNG filling tank truck 2, LNG gasification pressurization pry block 3 and LNG filling pry block 4, the liquid phase outlet of the pressurization LNG tank truck 1 is connected with the LNG gasification pressurization pry block 3 import by hose, to deliver LNG to LNG gasification pressurization pry block 3 and carry out gasification, the gas phase outlet of the LNG gasification pressurization pry block 3 is connected with a LNG filling tank truck 2 respectively by multiple hoses 6, control valve 5 is equipped on each described hose 6, to send LNG gasification pressurization pry block 3 gasification natural gas to each LNG filling tank truck 2 by hose 6, to be used for LNG filling tank truck 2 pressurization, reach the purpose of adjusting pressurization pressure by adjusting the opening of control valve 5, usually pressurization pressure needs to combine LNG tank truck actual maximum pressure that can be accepted;Multiple described LNG filling tank truck 2 liquid phase outlet is connected with the import of the LNG filling pry block 4 by hose 6, the LNG filling pry block 4 is connected with LNG dual -fuel ship filling station;Control valve 5 is equipped on each described hose 6, reach the purpose of adjusting filling rate by adjusting the opening of valve member, usually filling rate should be controlled at no more than 7 meters per second.

[0015] Further, two liquid phase outlets are arranged on the pressurized LNG tank truck 1, and the two liquid phase outlets are connected with the LNG gasification pressurized block 3 inlet through a hose 6 respectively; a plurality of gas phase outlets are arranged on the LNG gasification pressurized block 3, and the plurality of gas phase outlets are connected with an LNG filling tank truck 2 through a hose 6 respectively.

[0016] It should be understood by those skilled in the art that the above only describes specific embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An LNG bunkering system for an LNG dual-fuel vessel, characterized in that, It includes a pressurized LNG tanker truck, multiple LNG bunkering tankers, an LNG vaporization pressurization skid, and an LNG bunkering skid. The liquid phase outlet of the pressurized LNG tanker truck is connected to the inlet of the LNG vaporization pressurization skid via a hose. The gas phase outlet of the LNG vaporization pressurization skid is connected to one of the LNG bunkering tankers via multiple hoses. The liquid phase outlets of the multiple LNG bunkering tankers are connected to the inlet of the LNG bunkering skid via hoses. The LNG bunkering skid is connected to an LNG dual-fuel ship bunkering station.

2. The LNG bunkering system for LNG dual-fuel ships according to claim 1, characterized in that, The pressurized LNG tanker is equipped with two liquid phase outlets, and each of the two liquid phase outlets is connected to the inlet of the LNG vaporization pressurization skid via a hose.

3. The LNG bunkering system for LNG dual-fuel ships according to claim 1, characterized in that, The LNG vaporization pressurization skid is provided with multiple gas phase outlets, and each of the multiple gas phase outlets is connected to an LNG refueling tanker through a hose.

4. The LNG bunkering system for LNG dual-fuel ships according to claim 1, characterized in that, Each of the hoses is equipped with a control valve.

5. The LNG bunkering system for LNG dual-fuel vessels according to claim 4, characterized in that, The LNG bunkering skid shall bunker LNG to the LNG dual-fuel vessel at a rate not exceeding 7 m / s.

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