CN211289552U

CN211289552U - Liquefied natural gas storage tank

Info

Publication number: CN211289552U
Application number: CN201922171994.4U
Authority: CN
Inventors: 承志芳; 郭铭远; 阿润生
Original assignee: Wuxi China Resources Gas Co Ltd
Current assignee: Wuxi China Resources Gas Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-18
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a liquefied natural gas storage tank, which comprises a tank body, the external side of jar has set gradually thermal-insulated layer, insulating layer, protective layer, buffer layer and buffer layer, connect through pasting between the jar body, thermal-insulated layer, insulating layer, protective layer, buffer layer, both ends are provided with import and export respectively about the jar body, the protective housing has been cup jointed in the buffer layer outside just the protective housing setting is all passed with the export in the import of the jar body the protective housing outside, the protective layer outside is arranged and is provided with anti-skidding line. The utility model has the advantages of can jar internal portion the low temperature environment, can reduce because the too big jar body explosion's that leads to of jar internal gas pressure possibility, security height, can prevent that the jar body from receiving external power damage and cause incident, convenient removal, the cost of using manpower sparingly, its mainly used natural gas is stored.

Description

Liquefied natural gas storage tank

Technical Field

The utility model relates to a liquefied natural gas technical field, specific liquefied natural gas holding vessel that says so.

Background

Natural gas is a fossil fuel containing methane as a main component, a small amount of ethane and propane, and has attracted attention as a low-pollution energy source in various technical fields. In the case of natural gas storage, since the volume of liquefied natural gas is about 1/600 of the volume of gaseous natural gas under the same mass, in the prior art, the gaseous natural gas is usually liquefied by cryogenic liquefaction and charged into a storage tank for storage.

Because the boiling point of the liquefied natural gas under atmospheric pressure is about-162 ℃, when the liquefied natural gas is stored in the storage tank for storing the liquefied natural gas, the liquefied natural gas is only stored in the tank body with the wall thickness of 25-30cm, external heat can easily penetrate through the tank body to heat the liquefied natural gas in the tank body, the liquefied natural gas is gasified after being heated and can expand in the tank body, the pressure in the tank body is continuously increased, and the potential safety hazard of tank body explosion exists.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a can jar internal portion low temperature environment, can reduce because the jar body that the too big jar body that leads to of jar internal gas pressure explodes possibility, security height, can prevent that the jar body from receiving external power damage and cause incident, convenient removal, use manpower sparingly cost's holding vessel.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a liquefied natural gas holding vessel, includes a jar body, the external side of jar has set gradually thermal insulation layer, insulating layer, protective layer, buffer layer and buffer layer, connect through pasting between the jar body, thermal insulation layer, insulating layer, protective layer, buffer layer, both ends are provided with import and export respectively about the jar body, the buffer layer outside has cup jointed the protective housing just the import and the export of the jar body all pass the protective housing setting the protective housing outside, the protective layer outside is arranged and is provided with anti-skidding line.

The internal pressure gauge that is provided with of jar, the protective housing outside be provided with pressure gauge assorted alarm.

The import with the exit all is provided with flow control valve, the protective housing outside be provided with flow control valve assorted control button.

The protective layer is made of one of a PP material, a PET material and a PC material, and the thickness of the protective layer is 20mm-40 mm.

The supporting seat is fixedly arranged at the lower end of the tank body, two groups of fixing feet and two groups of universal wheels are correspondingly arranged at the lower end of the supporting seat, and the universal wheels are arranged on the fixing feet.

The shock-absorbing layer adopts one of sponge material, rubber materials, the thickness of shock-absorbing layer is twice the buffer layer.

The utility model has the advantages that: through the heat insulation layer, the insulating layer, the protective layer, the shock absorption layer and the buffer layer which are sequentially arranged on the outer side of the tank body, the external temperature is isolated by the heat insulation layer and the insulating layer, and the generated heat cannot be completely conducted into the tank body, so that the low-temperature environment in the tank body is ensured, the natural gas is kept in a liquefied state, the pressure of the natural gas in the tank body is kept constant, the possibility of tank body explosion caused by overlarge air pressure in the tank body is reduced, the safety is improved, when the tank body is impacted externally, the shock absorption layer carries out shock absorption treatment on the received force, the buffer layer further reduces the damped force, the impact transmitted to the tank body can be ignored finally, and the tank body can be prevented from being damaged by the external force to cause safety accidents; through the universal wheel of jar body lower extreme, can make things convenient for the staff to remove it, save a large amount of human costs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention.

In the figure: 1 jar body, 2 heat insulating layer, 3 insulating layers, 4 protective layers, 5 buffer layers, 6 buffer layers, 7 import, 8 exports, 9 protective casings, 10 pressure gauges, 11 alarms, 12 flow control valve, 13 control button, 14 supporting seats, 15 fixed feet, 16 universal wheels.

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.

Referring to fig. 1-2, a liquefied natural gas storage tank includes a tank body 1, a thermal insulation layer 2, an insulating layer 3, a protective layer 4, a shock absorption layer 5, and a buffer layer 6 are sequentially disposed on an outer side of the tank body 1, the thermal insulation layer 2, the insulating layer 3, the protective layer 4, the shock absorption layer 5, and the buffer layer 6 are connected by adhesion, an inlet 7 and an outlet 8 are respectively disposed at an upper end and a lower end of the tank body 1, a protective shell 9 is sleeved on an outer side of the buffer layer 6, the inlet 7 and the outlet 8 of the tank body 1 both penetrate through the protective shell 9 and are disposed on an outer side of the protective.

In the utility model, a pressure gauge 10 is arranged in the tank body 1, and an alarm 11 matched with the pressure gauge 10 is arranged outside the protective shell 9;

flow regulating valves 12 are arranged at the inlet 7 and the outlet 8, and control buttons 13 matched with the flow regulating valves 12 are arranged on the outer side of the protective shell 9;

the protective layer 4 is made of one of a PP material, a PET material and a PC material, and the thickness of the protective layer 4 is 20mm-40 mm;

a supporting seat 14 is fixedly arranged at the lower end of the tank body 1, two groups of fixing feet 15 are correspondingly arranged at the lower end of the supporting seat 14, and universal wheels 16 are arranged on the two groups of fixing feet 15;

the shock-absorbing layer 5 adopts one of sponge material, rubber materials, and the thickness of shock-absorbing layer 5 is twice buffer layer 6.

The utility model discloses a theory of operation is: when the tank is used, the external temperature is isolated by the heat insulating layer 2 and the insulating layer 3, the generated heat cannot be completely conducted into the tank body 1, so that the low-temperature environment inside the tank body 1 is ensured, the natural gas is kept in a liquefied state, the pressure of the natural gas in the tank body 1 is kept constant, the possibility of explosion of the tank body 1 caused by overlarge air pressure in the tank body 1 is reduced, the safety is improved, when the tank body 1 is impacted externally, the damping layer 5 is used for damping the received force, the damping force of the damping layer 6 is further reduced, the impact transmitted to the tank body 1 can be ignored finally, and the safety accident caused by the fact that the tank body 1 is damaged by the external force can be prevented; through the universal wheel 16 of jar body 1 lower extreme, can make things convenient for the staff to remove it, save a large amount of human costs.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a liquefied natural gas storage tank, includes jar body (1), its characterized in that: the utility model discloses a jar body, including jar body (1), protective layer (4), buffer layer (5) and buffer layer (6) have set gradually in the outside, connect through pasting between jar body (1), heat insulation layer (2), insulating layer (3), protective layer (4), buffer layer (5), buffer layer (6), both ends are provided with import (7) and export (8) respectively about jar body (1), protective housing (9) have been cup jointed in the buffer layer (6) outside import (7) of jar body (1) all pass protective housing (9) setting with export (8) the protective housing (9) outside, protective layer (4) outside is arranged and is provided with anti-skidding line.

2. The lng storage tank of claim 1, wherein: be provided with pressure gauge (10) in jar body (1), protective housing (9) outside be provided with pressure gauge (10) assorted alarm (11).

3. The lng storage tank of claim 1, wherein: import (7) with export (8) department all is provided with flow control valve (12), the protective housing (9) outside be provided with flow control valve (12) assorted control button (13).

4. The lng storage tank of claim 1, wherein: the protective layer (4) is made of one of a PP material, a PET material and a PC material, and the thickness of the protective layer (4) is 20-40 mm.

5. The lng storage tank of claim 1, wherein: the utility model discloses a jar body, including jar body (1), jar body lower extreme fixed mounting has supporting seat (14), supporting seat (14) lower extreme is corresponding to be installed two sets of fixed foot (15) and two sets of be provided with universal wheel (16) on fixed foot (15).

6. The lng storage tank of claim 1, wherein: the shock-absorbing layer (5) is made of one of sponge materials and rubber materials, and the thickness of the shock-absorbing layer (5) is twice that of the buffer layer (6).