CN210485252U

CN210485252U - Environment-friendly LNG fuel storage device

Info

Publication number: CN210485252U
Application number: CN201921410360.3U
Authority: CN
Inventors: 李成义; 王兴化; 程真学
Original assignee: Jiangsu Dajin Heavy Industry Co ltd
Current assignee: Jiangsu Dajin Heavy Industry Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-08
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses an environment-friendly LNG fuel storage device, which relates to the technical field of natural gas storage equipment and comprises a tank body, wherein a liquid inlet pipe and a liquid outlet pipe are arranged on the tank body, the tank body comprises an inner shell and an outer shell sleeved outside the inner shell, a cavity is arranged between the outer shell and the inner shell, and a pressure gauge for measuring the air pressure in the cavity is arranged on the outer shell; the natural gas in the utility model can only be emitted into the cavity between the outer shell and the inner shell, thereby avoiding the dangerous situations such as fire and the like caused by the flammable natural gas leaking to the outside; in addition, leakage of natural gas into the cavity can cause a change in the gas pressure within the cavity, which can be displayed on the pressure gauge, allowing the operator to perceive the natural gas leakage and to take care of it as quickly as possible.

Description

Environment-friendly LNG fuel storage device

Technical Field

The utility model relates to a natural gas storage device technical field especially relates to an environment-friendly LNG fuel storage device.

Background

Natural gas is a generic term for hydrocarbon-based gas mixtures present in subterranean rock reservoirs, has a specific gravity of about 0.65, is lighter than air, and has colorless, odorless properties. Natural gas has become an indispensable energy source in modern equipment due to its unique nature and higher economic value, and natural gas tank is required in the storage of natural gas under normal circumstances, but because natural gas belongs to combustible gas, and colorless tasteless, consequently difficult quilt people perceive when natural gas appears leaking, not only can cause the waste of resource, and easily cause dangerous situations such as conflagration even explosion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the shortcoming of prior art is overcome, an environment-friendly LNG fuel storage device is provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

an environment-friendly LNG fuel storage device comprises a tank body, wherein a liquid inlet pipe and a liquid outlet pipe are arranged on the tank body, the tank body comprises an inner shell and an outer shell sleeved outside the inner shell, a cavity is arranged between the outer shell and the inner shell, a pressure gauge for measuring the air pressure in the cavity is arranged on the outer shell,

a plurality of partition plates are uniformly arranged in the inner shell along the length direction of the inner shell, the partition plates are perpendicular to the length direction of the inner shell, and through holes are formed in the middle of the partition plates.

Further, the thickness of the partition plate is gradually reduced from the end portion of the partition plate to the middle portion of the partition plate.

The environment-friendly LNG fuel storage device is characterized in that the outer shell is also provided with an alarm which is electrically connected with the pressure gauge

The outer side wall of the inner shell is provided with a heat-insulating aluminum foil layer.

The environment-friendly LNG fuel storage device is characterized in that a filter screen is arranged in the liquid inlet pipe.

The environment-friendly LNG fuel storage device is characterized in that the liquid outlet pipe is connected with a gas-water separator.

The utility model has the advantages that:

(1) the outer shell is sleeved outside the inner shell, when the inner shell leaks, natural gas can only be emitted into a cavity between the outer shell and the inner shell, and dangerous conditions such as fire disasters and the like caused by the fact that inflammable natural gas leaks to the outside are avoided; in addition, the leakage of natural gas into the cavity can cause the change of the air pressure in the cavity, and the change can be displayed on the pressure gauge, so that an operator can perceive the natural gas leakage and can deal with the natural gas leakage as soon as possible;

(2) the utility model discloses still install the alarm on the shell body, this alarm is connected with the pressure gauge electricity, when the pressure of pressure gauge changes, can transmit alarm signal to the alarm, make the alarm report to the police, make operating personnel learn the information that the natural gas leaked, guaranteed the promptness of handling;

(3) the utility model has the advantages that the heat preservation aluminum foil layer is arranged on the outer side wall of the inner shell, which has excellent heat insulation performance and ensures that the inner shell is always kept in a low temperature environment, thereby reducing the probability of gasification of liquefied natural gas;

(4) the utility model is provided with a plurality of clapboards in the inner shell, when the storage device shakes or overturns, the clapboards can generate resistance to the flow of the liquefied natural gas, thereby reducing the shaking degree of the storage device; when the storage device is transversely arranged, the inner shell can be divided into a plurality of storage chambers by the plurality of partition plates; the through hole arranged in the middle of the partition board ensures the liquidity of the liquefied natural gas; in addition, the thickness of the partition plate is gradually reduced from the end part to the middle part of the partition plate, so that the liquefied natural gas can move along the gradient of the partition plate, and the liquefied natural gas is prevented from being retained in a dead angle between the partition plate and the inner shell;

(5) the utility model is provided with the filter screen in the liquid inlet pipe, and the liquefied natural gas can be filtered when being filled, thereby improving the cleanness of the liquefied natural gas; and the gas-water separator is connected on the liquid outlet pipe, so that water vapor in the fuel can be filtered when the fuel is output, and the combustion efficiency of the fuel is improved.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a front view of the separator plate;

FIG. 4 is a cross-sectional view of the liquid inlet pipe;

wherein: 1. a tank body; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. an inner housing; 5. an outer housing; 6. a cavity; 7. a pressure gauge; 8. an alarm; 9. a partition plate; 10. a through hole; 11. a filter screen; 12. a gas-water separator.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

The embodiment provides an environment-friendly LNG fuel storage device, which comprises a tank body 1, and referring to fig. 2, the tank body 1 comprises an inner shell 4 and an outer shell 5 covering the inner shell 4, and a closed cavity 6 is formed between the inner shell 4 and the outer shell 5. The outer shell 5 is provided with a pressure gauge 7, the pressure gauge 7 is used for measuring the air pressure in the cavity 6, when the liquefied natural gas in the inner shell 4 leaks, the liquefied natural gas only diffuses into the cavity 6 between the inner shell 4 and the outer shell 5, so that the air pressure in the cavity 6 changes, and the air pressure change can be captured by the pressure gauge 7. Since the cavity 6 cannot be completely configured with the outside air, it is possible to know whether there is a natural gas leak or not from the magnitude of change in the index of the pressure gauge 7.

Wherein, still install alarm 8 and controller on shell 5, pressure gauge 7 and controller all are connected with the controller electricity, and when the exponential change range of pressure gauge 7 was too big, the controller transmitted alarm signal to controller, and this alarm signal of controller response is as reporting to the police, reminds operating personnel to take place the condition of natural gas leakage, in time handles.

Three partition plates 9 are uniformly arranged in the inner shell 4 along the length direction of the inner shell, and the partition plates 9 are vertical to the axial direction of the inner shell 4. A through hole 10 is provided in the middle of the partition 9, see fig. 3. When the storage device shakes or turns over, the partition plate 9 can generate resistance to the flow of the liquefied natural gas, so that the shaking degree of the storage device is reduced; when the storage device is laid horizontally, the plurality of partitions 9 may divide the inner case 4 into a plurality of storage chambers. The through hole 10 arranged in the middle of the partition board 9 ensures the liquidity of the liquefied natural gas. In addition, the thickness of the partition board 9 is gradually reduced from the end part to the middle part of the partition board 9, so that the liquefied natural gas can move along the gradient of the partition board 9, and the liquefied natural gas is prevented from being retained in a dead angle between the partition board 9 and the inner shell 4.

The inner shell 4 is communicated with a liquid inlet pipe 2 and a liquid outlet pipe 3, and the liquid inlet pipe 2 and the liquid outlet pipe 3 both extend out of the outer shell 5. Referring to fig. 4, a filter screen 11 is disposed in the liquid inlet pipe 2, and liquefied natural gas is filled to filter the liquefied natural gas. The end part of the liquid outlet pipe 3 is connected with a gas-water separator 12 which can filter the water vapor in the fuel when outputting the fuel and improve the combustion efficiency of the fuel.

In addition, the outer side wall of the inner shell 4 is provided with the heat preservation aluminum foil layer, so that the inner shell 4 has excellent heat insulation performance, and is ensured to be always kept in a low-temperature environment, and the probability of gasification of liquefied natural gas is reduced.

In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides an environment-friendly LNG fuel storage device, includes a jar body (1), be provided with feed liquor pipe (2) and drain pipe (3) on jar body (1), its characterized in that: the tank body (1) comprises an inner shell (4) and an outer shell (5) sleeved outside the inner shell (4), a cavity (6) is arranged between the outer shell (5) and the inner shell (4), a pressure gauge (7) used for measuring the air pressure in the cavity (6) is arranged on the outer shell (5),

evenly be provided with a plurality of baffles (9) along its length direction in interior casing (4), the length direction setting of baffle (9) perpendicular to interior casing (4), through-hole (10) have been seted up in the middle part of baffle (9).

2. The environmentally friendly LNG fuel storage device of claim 1, wherein: the thickness of the partition board (9) is gradually reduced from the end part of the partition board (9) to the middle part of the partition board (9).

3. The environmentally friendly LNG fuel storage device of claim 1, wherein: still be provided with alarm (8) on shell body (5), alarm (8) with pressure gauge (7) electricity is connected.

4. The environmentally friendly LNG fuel storage device of claim 1, wherein: and a heat-preservation aluminum foil layer is arranged on the outer side wall of the inner shell (4).

5. The environmentally friendly LNG fuel storage device of claim 1, wherein: a filter screen (11) is arranged in the liquid inlet pipe (2).

6. The environmentally friendly LNG fuel storage device of claim 1, wherein: the liquid outlet pipe (3) is connected with a gas-water separator (12).