CN210822713U

CN210822713U - Dual-fuel power multipurpose ship

Info

Publication number: CN210822713U
Application number: CN201921419907.6U
Authority: CN
Inventors: 马小勇; 周兰喜; 杨海建; 范祥; 施亮亮
Original assignee: Nantong Cosco KHI Ship Engineering Co Ltd
Current assignee: Nantong Cosco KHI Ship Engineering Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-23
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a dual fuel power multipurpose boats and ships, including LNG filling station, LNG fuel jar department, gas treatment facility room, cabin, filling station sets up on the port and starboard of tail deck, LNG fuel jar department sets up on hull afterbody deck, set up on the tail deck between the gas equipment, it is adjacent with the LNG fuel jar, control main valve department concentrates on setting up at LNG fuel pipe tank top, belongs to the division of opening, the gas permeable tower sets up at the top of LNG fuel jar, mainly connects the permeability cell of gas permeability cell, double-deck pipe outer tube. The utility model discloses satisfy international maritime affairs organization's standard requirement completely, and solved dual fuel power multipurpose boats and ships well and arranged the problem on boats and ships, realized the application on multipurpose boats and ships, have the significance to the innovation of boats and ships driving system, development, discharge pollution to reducing boats and ships, improve atmospheric environment and have the important function.

Description

Dual-fuel power multipurpose ship

Technical Field

The utility model relates to a boats and ships technical field specifically is a dual fuel power multipurpose boats and ships.

Background

With the increasing strictness of global maritime boundaries on sulfur emissions requirements, more and more regions are or will be demarcated as emission control areas. The sulfur emission control division will impose an emission limit of 0.1% sulfur content beginning on day 1 of month 2015, and the general sea area in the world will also impose an emission limit of 0.5% sulfur content in 2020. Shippers must take various measures to meet the requirements of global, regional, and local regulations. The clean energy LNG with low price is used as fuel, so that zero emission of sulfide and particulate matters is basically realized, and the emission of greenhouse gases and nitrides is also obviously reduced. Therefore, LNG is undoubtedly a good solution as fuel, has a good market prospect and development space, and the dual-fuel power propulsion system can be better applied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual fuel power multipurpose boats and ships to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dual-fuel power multipurpose ship comprises an LNG filling station, an LNG fuel tank location, a fuel gas processing equipment room, a cabin, a control main valve location and a ventilating tower, wherein the LNG filling station is arranged on the port and the starboard of a tail deck, the LNG fuel tank location is arranged on a deck at the tail of a ship body, the fuel gas processing equipment room is arranged on the tail deck and is positioned at the front end of the LNG fuel tank, the control main valve location is intensively arranged at the top of the LNG fuel tank, the ventilating tower is connected with a fuel gas ventilating pipe and a ventilating pipe with a double-layer pipe outer pipe, and the wall of a chimney against which the LNG fuel tank location is arranged is provided with A-60 fire prevention.

Preferably, the LNG filling station is arranged on the port and the starboard of the tail deck, and a water spraying system is arranged on the top ring of the LNG fuel tank.

Preferably, the LNG filling station is connected with the LNG fuel tank through a low-temperature vacuum insulation double-layer pipe.

Preferably, the LNG fuel tank is arranged above the deck at a position which is not less than 1/5 of the width of the ship from the side, and the shortest distance is more than 0.8 meter from the side.

Preferably, the gas treatment equipment room is arranged in a box shape, a two-layer structure mode is adopted, an independent ventilation system is adopted, and a gas monitoring system is installed to directly monitor gas leakage.

Preferably, an air lock is arranged between the gas treatment equipment, the air lock is an airtight space consisting of two airtight steel doors and an airtight bulkhead, and the distance between the two airtight steel doors is 1.5-2.5 m.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses satisfy international maritime affairs organization's standard requirement completely, and solved dual fuel power multipurpose boats and ships well and arranged the problem on boats and ships, realized the application on multipurpose boats and ships, have the significance to the innovation of boats and ships driving system, development, discharge pollution to reducing boats and ships, improve atmospheric environment and have the important function.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic side view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a dual-fuel power multipurpose ship comprises an LNG filling station 1, an LNG fuel tank place 2, a fuel gas processing equipment room 3, a cabin 7, a control main valve place 5 and a ventilating tower 4, wherein the LNG filling station 1 is arranged on the port and the starboard of a tail deck, the LNG fuel tank place 2 is arranged on the tail deck of a ship body, the fuel gas processing equipment room 3 is arranged on the tail deck and is positioned at the front end of the LNG fuel tank, the control main valve place 5 is arranged at the top of an LNG fuel tank in a centralized mode, the ventilating tower 4 is arranged at the top of the LNG fuel tank, the ventilating tower 4 is connected with a fuel gas ventilating pipe and a ventilating pipe of a double-layer pipe outer pipe, and the LNG fuel tank place 2 faces the wall of a chimney 6 and is provided with A-60 fire prevention.

In the utility model, the LNG filling station 1 is arranged on the port and starboard of the tail deck, and a circle at the top of the LNG fuel tank is provided with a water spraying system; the LNG filling station 1 is connected with an LNG fuel tank through a low-temperature vacuum insulation double-layer pipe, a liquid collecting tray is arranged below an LNG filling connector and any position where leakage is possible in the LNG filling station 1, the liquid collecting tray is made of low-temperature-resistant materials, a water curtain is led in through a discharge pipe which is downward and close to the water surface, and meanwhile the pressure, the temperature and the liquid level of an LNG fuel tank can be monitored at a safe position.

The utility model discloses in, LNG fuel jar department 2 arranges more than the deck, and its position is no less than 1/5 of beam apart from the broadside, and the shortest distance is greater than broadside 0.8 meters to position department near boats and ships roll and pitch center, rock in order to reduce. Mechanical protection measures are set to prevent the gas tank from being damaged by ship rear-end collision.

The utility model discloses in, 3 between the gas treatment facility, there are the high-pressure pump inside, evaporimeter, heater, BOG compressor, ethylene glycol water circulating pump, all LNG fuel processing associated facilities such as ethylene glycol water expansion tank. The gas treatment equipment room 3 is arranged in a box shape, adopts a two-layer structure form, adopts an independent ventilation system to perform forced ventilation for 30 times per hour, and is provided with a gas monitoring system to directly monitor gas leakage.

The utility model discloses in, gas treatment facility room 3 has arranged the air brake, and the air brake is the airtight space that comprises two airtight steel doors and airtight bulkhead, and the distance is 1.5-2.5 meters between two steel doors. The door is self-closed, no back-fastening device is needed, positive pressure state is always kept in the air lock, and gas detection and door opening and closing state display alarm are needed.

In addition, the vent tower 4 is arranged at the top of the LNG fuel tank, is mainly connected with a relief valve release pipe, a fuel gas vent pipe and a vent pipe of a double-layer pipe outer pipe of the LNG fuel tank, and has a height of at least 10m from a tail deck. The standard requirement of the ventilation suction port of the engine room belongs to a safe area, and the ventilation tower is arranged at the top of the LNG fuel tank and exceeds a dangerous area within 10m of the outlet of the ventilation tower, so that the safe distance completely meets the standard requirement.

The difference between the pilot line and the conventional dual-fuel power ship is that the LNG fuel tank, the LNG filling station and the fuel gas treatment equipment are all arranged on an open deck, so that a series of safety problems brought by dangerous areas in a closed space are effectively reduced; the ventilating tower is arranged at the top of the LNG fuel tank, so that the dangerous area of the ship is reasonably divided, the fuel gas treatment equipment is arranged in a layered mode, the arrangement of a liquid phase pipeline and a gas phase pipeline is separated, the damage to a ship body structure caused by LNG leakage is effectively prevented, and the like.

Use the utility model discloses, adopt dual fuel driving system, form the design of 2.8 ten thousand tons of multipurpose ships, boats and ships captain is 176m, and the type width is 28.0m, and the type is deep to be 14.8 m. One dual-fuel host, three dual-fuel generators and one dual-fuel boiler are configured.

The use of the present invention has led to the development of a LNG fuelled multipurpose vessel, a project which is incorporated into the uk lawsonia and has obtained the AIP certificate of the uk lawsonia.

The utility model discloses satisfy international maritime affairs organization's standard requirement completely, and solved dual fuel power multipurpose ship arrangement problem and security countermeasure on boats and ships well, realized the application on the multipurpose ship. The method has important significance for innovation and development of a ship power system, and plays an important role in reducing ship emission pollution and improving atmospheric environment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dual fuel power multipurpose boats and ships, includes LNG filling station (1), LNG fuel jar department (2), gas treatment facility room (3), cabin (7), control main valve department (5) and ventilative tower (4), its characterized in that: the LNG filling station (1) is arranged on the port and the starboard of a tail deck, the LNG fuel tank place (2) is arranged on the tail deck of a ship body, the gas treatment equipment room (3) is arranged on the tail deck and is positioned at the front end of the LNG fuel tank, the control main valve place (5) is intensively arranged at the top of the LNG fuel tank, the ventilating tower (4) is connected with a gas ventilating pipe and a ventilating pipe of a double-layer pipe outer pipe, and the LNG fuel tank place (2) is arranged against the wall of a chimney (6) to be subjected to A-60 fire prevention.

2. A dual fuel powered utility vessel as claimed in claim 1, characterized in that: the LNG filling station (1) is arranged on the port and starboard of the tail deck, and a water spraying system is arranged on the top ring of the LNG fuel tank.

3. A dual fuel powered utility vessel as claimed in claim 1, characterized in that: the LNG filling station (1) is connected with the LNG fuel tank through a low-temperature vacuum insulation double-layer pipe.

4. A dual fuel powered utility vessel as claimed in claim 1, characterized in that: the LNG fuel tank place (2) is arranged above the deck, the distance from the side is not less than 1/5 of the width of the ship, and the shortest distance is more than 0.8 meter from the side.

5. A dual fuel powered utility vessel as claimed in claim 1, characterized in that: the gas treatment equipment room (3) is arranged in a box shape, adopts a two-layer structure form, adopts an independent ventilation system, and is provided with a gas monitoring system to directly monitor gas leakage.

6. A dual fuel powered utility vessel as claimed in claim 1, characterized in that: an air lock is arranged in the gas treatment equipment room (3), the air lock is an airtight space consisting of two airtight steel doors and an airtight bulkhead, and the distance between the two airtight steel doors is 1.5-2.5 m.