CN111301606A

CN111301606A - Marine LNG filling device and boats and ships

Info

Publication number: CN111301606A
Application number: CN202010123569.2A
Authority: CN
Inventors: 周静; 薛林
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Guangzhou Shipyard International Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-06-19
Anticipated expiration: 2040-02-27
Also published as: CN111301606B

Abstract

The invention discloses a marine LNG filling device and a ship. The marine LNG filling device comprises an LNG filling vehicle, a conveying pipe, a supporting piece, an LNG storage part arranged on a hull deck and a steam nozzle used for spraying high-temperature steam, wherein the conveying pipe is used for conveying LNG to the LNG storage part from the LNG filling vehicle, the supporting piece is arranged on the hull deck, the conveying pipe is arranged at an interval with the hull deck, the conveying pipe is supported above the hull deck through the supporting piece, one end, connected with the hull deck, of the supporting piece can rotate relative to the hull deck, so that the size of an included angle between the supporting piece and the hull deck is changed, and the steam nozzle is arranged between the hull deck and the conveying pipe. The marine LNG filling device is simple in structure, and can effectively prevent the ship from being damaged by low temperature on the conveying pipe.

Description

Marine LNG filling device and boats and ships

Technical Field

The invention relates to the technical field of ships, in particular to a marine LNG filling device and a ship comprising the same.

Background

At present, the emission of pollutants for ships is becoming more and more strict, so that many ships use LNG (liquefied natural gas) as fuel. When the LNG is filled, the temperature of the LNG is low (-160 ℃, so that the temperature of a transfer pipe for transferring the LNG is also low, and the low temperature of the transfer pipe may damage a hull structure, outfitting, marine equipment, and the like.

Disclosure of Invention

The invention aims to: provided are a marine LNG filling device and a ship, wherein the marine LNG filling device has a simple structure and can effectively prevent a ship from being damaged by low temperature on a delivery pipe.

In order to achieve the purpose, the invention adopts the following technical scheme:

on the one hand, the marine LNG filling device comprises an LNG filling vehicle, a conveying pipe, a supporting piece, an LNG storage part and a steam nozzle, wherein the LNG storage part is arranged on a ship deck, the steam nozzle is used for spraying high-temperature steam, the conveying pipe is used for conveying LNG from the LNG filling vehicle to the LNG storage part, the supporting piece is arranged on the ship deck, the conveying pipe and the ship deck are arranged at intervals, the conveying pipe is supported above the ship deck through the supporting piece, one end, connected with the ship deck, of the supporting piece can rotate relative to the ship deck to change the size of an included angle between the supporting piece and the ship deck, and the steam nozzle is arranged between the ship deck and the conveying pipe.

As a preferable scheme of the marine LNG filling device, the supporting member includes at least one supporting column, one end of the supporting column is hinged to the hull deck, and the other end of the supporting column abuts against the conveying pipe.

As a preferable scheme of the marine LNG refueling device, the supporting column is connected with the hull deck through a damping shaft.

As a preferable scheme of the marine LNG filling device, the support member further includes a sliding guide structure, the sliding guide structure is disposed at one end of the support column far away from the hull deck, the sliding guide structure has an arc-shaped surface, and the arc-shaped surface abuts against the lower side of the conveying pipe.

As a preferable scheme of the marine LNG filling device, the arc-shaped surface is convexly provided with at least two limiting protrusions distributed at intervals, a limiting groove is formed between the at least two limiting protrusions, and the conveying pipe is located in the limiting groove.

As a preferable scheme of the marine LNG filling device, the support member further includes a roller disposed at an end of the support column away from the hull deck, a rolling direction of the roller is perpendicular to the support column, and a rolling surface of the roller has a placement groove for placing the delivery pipe.

As a preferred scheme of marine LNG filling device, the support column includes two at least support column bodies that connect gradually, adjacent two one of them support column body is provided with the sliding tray, the sliding tray is followed the length direction of support column body extends, another support column body protrusion be provided with sliding tray complex slip arch, two that are connected one of them in the support column body the upper end of support column is provided with the locating hole, another the lower extreme of support column body be provided with locating hole matched with location arch, keep away from the conveyer pipe the support column body with the hull deck is connected, keep away from the hull deck the support column body butt is in the below of conveyer pipe.

As a preferable mode of the marine LNG refueling apparatus, the vapor nozzle is mounted on the deck of the hull through a nozzle head.

Conduct marine LNG filling device an preferred scheme, the nozzle holder is including shower nozzle supporting part and shower nozzle installation department, the shower nozzle supporting part is connected respectively the shower nozzle installation department with between the hull deck, steam nozzle installs on the shower nozzle supporting part, just the shower nozzle supporting part with be connected with rotating member between the steam nozzle, rotating member can drive steam nozzle for the shower nozzle installation department rotates from top to bottom, in order to change steam nozzle with contained angle size between the hull deck.

In another aspect, a ship is provided, and the ship LNG filling device is provided.

The invention has the beneficial effects that: due to the low temperature of LNG (about-160 c), when the LNG is transferred to the transfer pipe, the low temperature of the LNG is transferred to the outside of the transfer pipe, so that the temperature of the area near the transfer pipe is lowered. Cold air can damage the hull deck and arrange fitting-out spare and marine equipment on the hull deck to the diffusion of hull deck face, support the conveyer pipe in the top of hull deck through support piece, make conveyer pipe and hull deck interval distribution, avoid conveyer pipe and hull deck contact, and set up steam spray head between conveyer pipe and hull deck, spout high temperature steam to the region between hull deck and the conveyer pipe through steam spray head, the high temperature steam of hull deck top contacts with the cold air to between hull deck and the conveyer pipe, can rise the temperature of cold air, prevent that low temperature cold air from diffusing to the hull deck, and then prevent that low temperature from damaging hull deck and setting fitting-out spare and marine equipment on the hull deck.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic structural diagram of a marine LNG refueling apparatus according to an embodiment.

In the figure:

1. LNG filling vehicles; 2. a support member; 21. a support pillar; 22. a slide guide structure; 3. a delivery pipe; 4. an LNG storage; 5. a support frame; 6. a hull deck; 7. a steam spray head; 8. a nozzle holder; 81. a head support portion; 82. a nozzle mounting part.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1, in the present embodiment, an LNG refueling apparatus for a ship according to the present invention includes an LNG refueling truck 1, a transfer pipe 3, a support member 2, an LNG storage member 4 disposed on a deck 6 of a ship body, and a vapor nozzle 7 for spraying high-temperature vapor. Wherein, the steam nozzle is connected with external steam generating equipment through a steam pipe. The conveying pipe 3 is used for conveying LNG from the LNG filling vehicle 1 to the LNG storage part 4, the supporting part 2 is arranged on the ship body deck 6, the conveying pipe 3 is arranged at a distance from the ship body deck 6, and the conveying pipe 3 is supported above the ship body deck 6 through the supporting part 2. The supporting piece 2 and the one end that the hull deck 6 is connected can rotate for the hull deck 6, in order to change the supporting piece 2 with the contained angle size between the hull deck 6, steam nozzle 7 sets up the hull deck 6 with between the conveyer pipe 3.

LNG filling vehicle 1 is used for splendid attire the LNG that waits to be filled, and conveyer pipe 3 carries LNG among the LNG filling vehicle 1 to LNG storage 4. In this embodiment, the storage piece is an LNG storage tank. Due to the low temperature of LNG (about-160 c), when the LNG is transferred to the transfer pipe 3, the low temperature of LNG is transferred to the outside of the transfer pipe 3, so that the temperature of the area near the transfer pipe 3 is lowered. Cold air is diffused to the surface of the ship body deck 6 to damage the ship body deck 6 and outfitting and marine equipment arranged on the ship body deck 6, the conveying pipe 3 is supported above the ship body deck 6 through the supporting piece 2, the conveying pipe 3 and the ship body deck 6 are distributed at intervals, the conveying pipe 3 is prevented from being in contact with the ship body deck 6, a steam spray nozzle 7 is arranged between the conveying pipe 3 and the ship body deck 6, high-temperature steam is sprayed to an area between the ship body deck 6 and the conveying pipe 3 through the steam spray nozzle 7, the high-temperature steam above the ship body deck 6 is in contact with the cold air between the ship body deck 6 and the conveying pipe 3, the temperature of the cold air can be increased, the low-temperature cold air is prevented from being diffused to the ship body deck 6, and the ship body deck 6, the outfitting and the marine equipment are prevented from being. According to the marine LNG filling device, the high-temperature steam is sprayed onto the ship deck 6 by the steam spray head 7, the explosion-proof requirement of heating equipment does not need to be considered, and the marine LNG filling device is simple in structure and low in cost. In addition, one end of the support member 2 connected with the ship deck 6 can rotate relative to the ship deck 6 so as to change the size of an included angle between the support member 2 and the ship deck 6, so that the height of the support conveying pipe 3 of the support member 2 is flexibly changed, and the ship is convenient to use.

In order to avoid direct contact of the LNG storage with the hull deck 6, the LNG storage is supported on the hull deck 6 by means of the support 2.

In one embodiment, the support 2 comprises at least one support column 21, one end of the support column 21 is hinged to the hull deck 6, and the other end of the support column 21 abuts against the conveying pipe 3. The supporting column 21 is hinged to the ship body deck 6, the supporting column 21 can rotate around the hinged portion of the supporting column 21 and the ship body deck 6 when the LNG filling device is used, the size of an included angle between the supporting column 21 and the ship body deck 6 is changed flexibly, the height of the supporting column 21 on the ship body deck 6 is changed, after LNG filling is completed, the conveying pipe 3 can be removed from the filling vehicle, the supporting column 21 rotates relative to the ship body deck 6, the supporting column 21 is arranged on the upper surface of the ship body deck 6 in parallel, and the supporting column 21 is folded to avoid the supporting column 21 from occupying the space on the ship body.

Preferably, the support columns 21 are connected to the hull deck 6 by a damping shaft. In the embodiment, the supporting column 21 is connected with the hull deck 6 through the damping shaft, and the supporting column 21 can be positioned on the hull deck 6 by using the damping action of the damping shaft, so that the supporting column 21 is locked without an additional locking component. Of course, in other embodiments, the support columns 21 may also be locked to the hull deck 6 by locking assemblies.

In this embodiment, the support columns 21 include two support columns 21, and the two support columns 21 are distributed at intervals along the extending direction of the conveying pipe 3, and of course, in another embodiment, the number of the support columns 21 can be flexibly set as required, and each support column 21 is distributed at intervals along the extending direction of the conveying pipe 3.

The conveying pipe 3 may be a rigid conveying pipe 3 or a hose. In this embodiment, the delivery tube 3 is a hose. The support member 2 further comprises a slide guiding structure 22, the slide guiding structure 22 is arranged at one end, far away from the ship body deck 6, of the support column 21, and the slide guiding structure 22 is provided with an arc-shaped surface which is abutted to the lower side of the conveying pipe 3. Before LNG is filled, the angle between the supporting column 21 and the hull deck 6 is adjusted, the conveying pipe 3 is pulled from the LNG storage part 4 to the arc-shaped surface of the slide guiding structure 22, then the conveying pipe 3 is pulled from the slide guiding structure 22 to the LNG filling vehicle 1, or the conveying pipe 3 is pulled from the LNG filling vehicle 1 to the arc-shaped surface of the slide guiding structure 22, then the conveying pipe 3 is pulled from the arc-shaped surface to the LNG storage part 4, and then the conveying pipe 3 is connected with the LNG storage part 4 and the LNG filling vehicle 1 respectively. When establishing conveyer pipe 3 pulling, support column 21 provides the supporting role for conveyer pipe 3, and support column 21 is kept away from 6 one end of hull deck and is provided with and leads smooth structure 22, and leads smooth structure 22's arcwall face to butt to conveyer pipe 3 below, because the surperficial no edges and corners of arcwall face reduces support column 21 and to conveyer pipe 3 wearing and tearing, and reduces the frictional force between support piece 2 and the conveyer pipe 3, reduces and draws the degree of difficulty of establishing conveyer pipe 3.

In this embodiment, it is the round steel to lead smooth structure 22, the round steel sets up with support column 21 is perpendicular for the non-tip position butt of round steel is in conveyer pipe 3 below. Preferably, the sliding guide structure 22 is made of wear-resistant round steel. In other embodiments, the surface of the round steel in contact with the conveying pipe 3 can be provided with a wear-resistant layer.

In other embodiments, the slide guiding structure 22 may be other structures, such as a cylinder.

In order to prevent the conveying pipe 3 from being separated from the sliding guide structure 22, at least two limiting protrusions distributed at intervals are convexly arranged on the arc-shaped surface, a limiting groove is formed between the at least two limiting protrusions, and the conveying pipe 3 is located in the limiting groove.

Generally, after the LNG refueling is completed, it is necessary to detach the transfer pipe 3 from the LNG refueling truck 1 or from the LNG storage 4 to disconnect the LNG refueling truck 1 from the LNG storage 4, detach the transfer pipe 3 from the support member 2, collect the transfer pipe 3, and reinstall the transfer pipe 3 on the support member 2, the LNG refueling truck, or the LNG storage 4 after the next LNG refueling. In the process of installing the conveying pipe 3, in order to facilitate pulling the conveying pipe 3, in this embodiment, the support member 2 further includes a roller disposed at one end of the supporting column 21 away from the hull deck 6, a rolling direction of the roller is perpendicular to the supporting column 21, and a rolling surface of the roller has a placing groove for placing the conveying pipe 3. The conveying pipe 3 is placed in a conveying groove in the rolling surface, when the conveying pipe 3 is pulled and arranged, the conveying pipe 3 is dragged to drive the roller to roll along with the pulling direction of the conveying pipe 3, and the difficulty of pulling and arranging the conveying pipe 3 is reduced.

As a preferred embodiment, the supporting column 21 includes at least two supporting column 21 bodies connected in sequence, one of the two adjacent supporting column 21 bodies, where the supporting column 21 body is provided with a sliding groove, the sliding groove extends along the length direction of the supporting column 21 body, and the other supporting column 21 body is convexly provided with a sliding protrusion matched with the sliding groove. The upper end of one of the two connected support columns 21 is provided with a positioning hole, the lower end of the other support column 21 is provided with a positioning bulge matched with the positioning hole, the support column 21 far away from the conveying pipe 3 is connected with the ship body deck 6, and the support column 21 far away from the ship body deck 6 abuts against the lower part of the conveying pipe 3. The sliding bulge slides in the sliding groove, can realize the extension and contraction of two adjacent support column 21 bodies, the length of selective support column 21, the design, can adjust the height that support piece 2 supports conveyer pipe 3 as required, so as to prevent high-temperature steam sprayed by steam spray head 7 from damaging conveyer pipe 3, in addition, when support column 21 is used to support conveyer pipe 3 as required, can stretch two support column 21 bodies each other, when support column 21 is not needed to be used, two support column 21 bodies can be contracted each other, the length of support column 21 is shortened, then the support column 21 body connected with hull deck 6 is overturned relative to hull deck 6, the included angle between support column 21 body and hull deck 6 is changed, make support column 21 body hug closely on the surface of hull deck 6, support column 21 is packed up.

After the support columns 21 are retracted, the support members 2 are prevented from protruding out of the hull deck 6, and in this embodiment, the hull deck 6 is concavely provided with accommodating grooves for accommodating the support columns 21.

In this embodiment, the steam nozzle 7 is installed on the hull deck 6 through the nozzle frame 8, and the steam head is conveniently installed through the nozzle frame 8.

Specifically, the nozzle rack 8 includes a nozzle support portion 81 and a nozzle mounting portion 82, the nozzle support portions 81 are respectively connected between the nozzle mounting portion 82 and the hull deck 6, and the steam nozzle 7 is mounted on the nozzle support portion 81. In this embodiment, two head mounting portions 82 are provided, and the two head mounting portions 82 are connected to the head supporting portion 81, respectively. On one hand, under the condition that the number of the steam spray heads 7 is reduced as much as possible, the temperature of a sufficient area between the conveying pipe 3 and the ship deck 6 can be raised, the large enough area of the ship deck 6 can be prevented from being damaged by low temperature, or fittings or marine equipment arranged in the area can be prevented from being damaged, and high-temperature steam can be saved; on the other hand, the area of high-temperature steam can be sprayed by rotating the steam nozzle 7, and the damage to the conveying pipe 3 caused by overhigh temperature in the area due to the fact that the high-temperature steam is sprayed to the fixed area continuously is prevented.

The nozzle frame 8 can be a steam pipe for conveying high-temperature steam, so that the steam pipe can convey the high-temperature steam and can also support the steam nozzle 7, other supporting parts do not need to be additionally arranged to serve as the nozzle frame 8, and the space on the ship deck 6 is saved. Of course, in other embodiments, a support member may be additionally provided as the head frame 8 so that the head frame 8 is provided separately from the steam pipe.

In order to prevent the high temperature of the steam from damaging the conveying pipe 3, the ship deck 6, the outfitting piece and the marine equipment, a temperature detection part is arranged at a position, between the conveying pipe 3 and the ship deck 6, of the supporting piece 2, and the area between the conveying pipe 3 and the ship deck 6 is detected through the temperature detection part, so that the speed of the steam sprayed out by the steam spray head 7 can be adjusted in time according to the temperature displayed on the temperature detection part.

A plurality of steam spray heads 7 are provided, and the steam spray heads 7 are distributed at intervals along the length direction of the head mounting part 82. Each of the steam nozzles 7 is connected with a first adjustment switch (not shown) for adjusting the steam ejection speed. Further, each steam nozzle 7 is connected to the same steam pipe, and a second adjustment switch (not shown) for adjusting the amount of steam supplied to the steam pipe is provided on the steam pipe. Each steam nozzle 7 can be guaranteed to be independent by the setting of first regulating switch, and the steam spraying speed of each steam nozzle 7 can be unified to the setting of second regulating switch, facilitates the use.

In the present embodiment, there is also provided a ship including the marine LNG refueling apparatus of any one of the above structures, wherein the hull deck, the outfitting and the marine equipment provided on the hull deck 6 are prevented from being damaged by low temperature on the transfer pipe 3 due to the presence of the marine LNG refueling apparatus.

In the description herein, it is to be understood that the terms "first" and "second" are used merely for descriptive purposes and are not to be construed as specifically limiting.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.

Claims

1. The marine LNG filling device is characterized by comprising an LNG filling vehicle, a conveying pipe, a supporting piece, an LNG storage piece and a steam nozzle, wherein the LNG storage piece is arranged on a ship deck, the steam nozzle is used for spraying high-temperature steam, the conveying pipe is used for conveying LNG from the LNG filling vehicle to the LNG storage piece, the supporting piece is arranged on the ship deck, the conveying pipe and the ship deck are arranged at intervals, the conveying pipe is supported above the ship deck through the supporting piece, one end, connected with the ship deck, of the supporting piece can rotate relative to the ship deck so as to change the size of an included angle between the supporting piece and the ship deck, and the steam nozzle is arranged between the ship deck and the conveying pipe.

2. Marine LNG filling apparatus according to claim 1, characterised in that the support comprises at least one support column, one end of which is hinged to the hull deck and the other end of which abuts the transfer pipe.

3. Marine LNG filling device according to claim 2, characterized in that the support columns are connected with the hull deck by damping shafts.

4. Marine LNG filling apparatus according to claim 2, characterized in that the support further comprises a skid guiding structure arranged at an end of the support column remote from the hull deck, the skid guiding structure having an arc-shaped face abutting below the transport pipe.

5. Marine LNG filling apparatus according to claim 4, characterized in that the arc surface is convexly provided with at least two spacing protrusions, a spacing groove is formed between the at least two spacing protrusions, and the delivery pipe is located in the spacing groove.

6. Marine LNG filling apparatus according to claim 2, characterized in that the support member further comprises a roller provided at an end of the support column remote from the hull deck, the roller having a rolling direction perpendicular to the support column, and a rolling surface of the roller having a placement groove for placing the delivery pipe.

7. The marine LNG filling apparatus according to claim 2, wherein the supporting column includes at least two supporting column bodies connected in sequence, one of the two adjacent supporting column bodies is provided with a sliding groove extending along a length direction of the supporting column body, the other supporting column body is convexly provided with a sliding protrusion engaged with the sliding groove, an upper end of one of the two connected supporting column bodies is provided with a positioning hole, a lower end of the other supporting column body is provided with a positioning protrusion engaged with the positioning hole, the supporting column body far away from the conveying pipe is connected with the hull deck, and the supporting column body far away from the hull deck abuts against a lower side of the conveying pipe.

8. The marine LNG refueling apparatus as set forth in claim 1, wherein said vapor nozzle is mounted on said hull deck by a nozzle head.

9. The marine LNG refueling device as set forth in claim 8, wherein the nozzle head frame includes a nozzle support portion and a nozzle mounting portion, the nozzle support portion is connected between the nozzle mounting portion and the hull deck, the steam nozzle is mounted on the nozzle support portion, and a rotating member is connected between the nozzle support portion and the steam nozzle, the rotating member can drive the steam nozzle to rotate up and down relative to the nozzle mounting portion, so as to change the size of the included angle between the steam nozzle and the hull deck.

10. A marine vessel comprising a marine LNG refueling apparatus as claimed in any one of claims 1 to 9.