CN216735775U

CN216735775U - Pressure relief protection device for liquid fuel tank

Info

Publication number: CN216735775U
Application number: CN202123283839.5U
Authority: CN
Inventors: 孙洋洋; 齐志猛; 王振军
Original assignee: Henan Kunqing Bioenergy Technology Co ltd
Current assignee: Henan Kunqing Bioenergy Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-14
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a pressure relief protection device for a liquid fuel tank, which comprises a tank body, wherein the top end of the tank body is provided with a pressure relief opening communicated with an inner cavity of the tank body, a sealing cover is arranged in the pressure relief opening, an installation plate is also arranged in the inner cavity of the pressure relief opening, the width of the installation plate is smaller than the diameter of the inner cavity of the pressure relief opening, the top of the installation plate is provided with a guide rod, and the top of the guide rod extends out of the pressure relief opening along the axial direction of the pressure relief opening; the sealing cover is connected with the inner wall of the pressure relief opening in a sliding mode, and the sealing cover is sleeved on the guide rod. According to the utility model, the automatic pressure relief of the tank body and the automatic resetting function of the sealing cover can be realized through the sealing cover and the guide rod.

Description

Pressure relief protection device for liquid fuel tank

Technical Field

The utility model relates to the field of fuel manufacturing, in particular to a pressure relief protection device for a liquid fuel tank.

Background

Liquid fuels are liquid combustible substances used for generating heat or power, and some liquid fuels are toxic, corrosive, flammable and explosive, and have been paid attention to storage safety. Even in a normal temperature environment, the liquid fuel generates a great vapor pressure with the rise of temperature, and heating in a sealed fuel container causes a faster pressure increase, thereby causing a problem that the container cracks, leaks, and the like, which seriously affect the safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure relief protection device for a liquid fuel tank, which aims to solve the problem that the safety is seriously affected by cracking, leakage and the like of a container because the conventional liquid fuel generates huge steam pressure along with the rise of temperature and is heated in a sealed fuel container to cause faster pressure increase.

The purpose of the utility model is realized by the following technical scheme:

a pressure relief protection device for a liquid fuel tank comprises a tank body, wherein a pressure relief opening communicated with an inner cavity of the tank body is formed in the top end of the tank body, a sealing cover is arranged in the pressure relief opening, a mounting plate is further arranged in the inner cavity of the pressure relief opening, a gap through which gas methanol can pass is formed between the mounting plate and the inner wall of the pressure relief opening, a guide rod is arranged at the top of the mounting plate, and the top of the guide rod extends out of the pressure relief opening along the axial direction of the pressure relief opening; the sealing cover is connected with the inner wall of the pressure relief opening in a sliding mode, and the sealing cover is sleeved on the guide rod.

Preferably, the top of the mounting plate is further provided with a spring, one end of the spring is connected with the mounting plate, and the other end of the spring is connected with the bottom of the sealing cover.

Preferably, a limiting plate is arranged at the top end of the guide rod, and the diameter of the limiting plate is larger than that of the guide rod.

Preferably, still be provided with the inner tube on the jar body, a pot head of inner tube is established on the outer wall of pressure release mouth, just the cover is equipped with the outer tube on the outer wall of inner tube, the both ends of outer tube are sealed, just it has cold water to fill in the inner chamber of outer tube.

Preferably, the two ends of the outer pipe are respectively provided with a water inlet pipe and a water outlet pipe which are communicated with the inner cavity of the outer pipe.

Preferably, one end of the water outlet pipe, which is far away from the outer pipe, is provided with a cover body detachably connected with the water outlet pipe, one end of the cover body is provided with a groove for the water outlet pipe to be inserted into, the inner wall of the groove is provided with an internal thread, and the outer wall of the water outlet pipe is provided with an external thread matched with the internal thread.

Preferably, one side of the tank body is provided with a collecting tank, the inner tube is far away from one end of the tank body and communicated with the collecting tank, and the top end of the collecting tank is provided with an exhaust port communicated with an inner cavity of the collecting tank.

The utility model has at least one of the following advantages:

according to the utility model, the automatic pressure relief of the tank body and the automatic reset function of the sealing cover can be realized through the sealing cover and the guide rod, namely when the internal air pressure of the tank body is too high, the sealing cover is pushed upwards by the air pressure, the sealing cover moves upwards along the axial direction of the guide rod, when the sealing cover moves to the outside of the pressure relief opening, the air is exhausted, the internal pressure of the tank body is normal, and the sealing cover moves into the pressure relief opening along the axial direction of the guide rod under the action of gravity.

Drawings

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

FIG. 2 is a schematic perspective view of the disassembled tank and inner tube of the present invention;

FIG. 3 is a schematic perspective view of a pressure relief vent according to the present invention;

FIG. 4 is a schematic perspective view of the cut pressure relief vent of the present invention;

FIG. 5 is a schematic perspective view of the inner and outer tubes of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

in the figure, 10-tank body, 11-pressure relief opening, 12-sealing cover, 13-limiting plate, 14-guide rod, 15-spring, 16-mounting plate, 20-inner pipe, 30-outer pipe, 31-water inlet pipe, 32-water outlet pipe, 33-cover body, 34-groove, 35-internal thread, 36-external thread, 40-collection tank and 41-exhaust opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Example 1

As shown in fig. 1-4, the present embodiment provides a pressure relief protection device for a liquid fuel tank, including a tank body 10, a pressure relief opening 11 communicated with an inner cavity of the tank body 10 is arranged at a top end of the tank body 10, a sealing cover 12 is arranged in the pressure relief opening 11, a mounting plate 16 is further arranged in the inner cavity of the pressure relief opening 11, a gap through which gas methanol can pass is formed between the mounting plate 16 and an inner wall of the pressure relief opening 11, a guide rod 14 is arranged at a top of the mounting plate 16, and a top of the guide rod 14 extends out of the pressure relief opening 11 along an axial direction of the pressure relief opening 11; the sealing cover 12 is connected with the inner wall of the pressure relief opening 11 in a sliding mode, and the sealing cover 12 is sleeved on the guide rod 14. The automatic pressure relief of the tank body 10 and the automatic reset function of the sealing cover 12 can be realized through the sealing cover 12 and the guide rod 14, namely when the internal air pressure of the tank body 10 is too high, the sealing cover 12 is pushed upwards by the air pressure, the sealing cover 12 moves upwards along the axial direction of the guide rod 14, when the sealing cover 12 moves to the outside of the pressure relief opening 11, air is exhausted, the internal pressure of the tank body 10 is normal, and the sealing cover 12 moves into the pressure relief opening 11 along the axial direction of the guide rod 14 under the action of gravity.

Further, as shown in fig. 4, a spring 15 is further provided on the top of the mounting plate 16, one end of the spring 15 is connected to the mounting plate 16, and the other end thereof is connected to the bottom of the sealing cover 12. The spring 15 can provide certain pulling force to the sealing cover 12, if the spring 15 is not provided, the sealing cover 12 can rise as long as the air pressure in the tank body 10 is slightly pressurized, so that the gas methanol is discharged, the fuel is wasted, and after the spring 15 is provided, the sealing cover 12 can be jacked up after the air pressure in the tank body 10 reaches a certain value, so that the fuel is saved.

Further, as shown in fig. 4, a limiting plate 13 is disposed at the top end of the guide rod 14, and the diameter of the limiting plate 13 is larger than that of the guide rod 14. The stopper plate 13 prevents the seal cap 12 from falling off the tip of the guide bar 14 when it is lifted.

The working principle of the embodiment is as follows: when the internal air pressure of the tank 10 is too high, the air pressure pushes the sealing cover 12 upwards, the sealing cover 12 moves upwards along the axial direction of the guide rod 14, when the sealing cover 12 moves to the outside of the pressure relief opening 11, air is exhausted, the internal pressure of the tank 10 is normal, and the sealing cover 12 moves into the pressure relief opening 11 along the axial direction of the guide rod 14 under the action of gravity.

Example 2

As shown in fig. 1-2, the present embodiment is substantially the same as the above embodiments, except that the tank 10 is further provided with an inner tube 20, one end of the inner tube 20 is sleeved on the outer wall of the pressure relief opening 11, an outer tube 30 is sleeved on the outer wall of the inner tube 20, two ends of the outer tube 30 are sealed, and an inner cavity of the outer tube 30 is filled with cold water. After the methanol gas is discharged from the pressure relief port 11, the methanol gas enters the inner tube 20, and the cold water in the outer tube 30 condenses the methanol gas in the inner tube 20, so that the methanol gas is liquefied into liquid, and the methanol gas is convenient for workers to recover.

Further, as shown in fig. 5, both ends of the outer tube 30 are respectively provided with a water inlet tube 31 and a water outlet tube 32 communicated with the inner cavity thereof. The inlet pipe 31 and the outlet pipe 32 are provided to facilitate the worker to fill the interior of the outer pipe 30 with cold water and discharge the cold water.

Further, as shown in fig. 5, one end of the water outlet pipe 32, which is far away from the outer pipe 30, is provided with a cover 33 detachably connected with the outer pipe, one end of the cover 33 is provided with a groove 34 into which the water outlet pipe 32 is inserted, the inner wall of the groove 34 is provided with an internal thread 35, and the outer wall of the water outlet pipe 32 is provided with an external thread 36 adapted to the internal thread 35. The cover body 33 which is in threaded connection with the outer wall of the water outlet pipe 32 is arranged, so that cold water in the outer pipe 30 can be conveniently discharged by workers.

Further, as shown in fig. 5, a collecting tank 40 is disposed on one side of the tank body 10, one end of the inner tube 20, which is far away from the tank body 10, is communicated with the collecting tank 40, and an exhaust port 41 communicated with an inner cavity of the collecting tank 40 is disposed at a top end of the collecting tank 40. The collection tank 40 is used for collecting the condensed liquid methanol.

The working principle of the embodiment is as follows: the staff firstly injects cold water into the outer pipe 30 through the water inlet pipe 31, the gaseous methanol enters the inner pipe 20 and then is cooled by the cold water in the outer pipe 30 to become liquid methanol, and the liquid methanol finally flows into the collection tank 40 for storage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a liquid is pressure release protection device for fuel jar, includes jar body (10), the top of jar body (10) is provided with pressure release mouth (11) rather than the inner chamber intercommunication, be provided with sealed lid (12), its characterized in that in pressure release mouth (11): a mounting plate (16) is further arranged in the inner cavity of the pressure relief opening (11), a gap through which gas methanol can pass is formed between the mounting plate (16) and the inner wall of the pressure relief opening (11), a guide rod (14) is arranged at the top of the mounting plate (16), and the top of the guide rod (14) extends out of the pressure relief opening (11) along the axial direction of the pressure relief opening (11); the sealing cover (12) is in sliding connection with the inner wall of the pressure relief opening (11), and the sealing cover (12) is sleeved on the guide rod (14).

2. The pressure relief protector for liquid fuel tank as set forth in claim 1, characterized in that a spring (15) is further provided on the top of the mounting plate (16), one end of the spring (15) being connected to the mounting plate (16) and the other end thereof being connected to the bottom of the sealing cover (12).

3. The pressure relief protector for liquid fuel tank as set forth in claim 2, characterized in that a stopper plate (13) is provided at the top end of the guide rod (14), and the diameter of the stopper plate (13) is larger than the diameter of the guide rod (14).

4. The pressure relief protection device for the liquid fuel tank as recited in claim 1, wherein the tank body (10) is further provided with an inner tube (20), a sleeve of the inner tube (20) is sleeved on the outer wall of the pressure relief opening (11), an outer tube (30) is sleeved on the outer wall of the inner tube (20), two ends of the outer tube (30) are sealed, and cold water is filled in the inner cavity of the outer tube (30).

5. The pressure relief protection device for the liquid fuel tank as set forth in claim 4, wherein the outer tube (30) is provided at both ends thereof with a water inlet tube (31) and a water outlet tube (32) communicating with the inner cavity thereof, respectively.

6. The pressure relief protection device for the liquid fuel tank of claim 5, wherein a cover (33) detachably connected with the outer pipe (30) is arranged at one end of the water outlet pipe (32) far away from the outer pipe, a groove (34) into which the water outlet pipe (32) can be inserted is arranged at one end of the cover (33), an internal thread (35) is arranged on the inner wall of the groove (34), and an external thread (36) matched with the internal thread (35) is arranged on the outer wall of the water outlet pipe (32).

7. The pressure relief protection device for the liquid fuel tank as recited in claim 4, wherein a collection tank (40) is disposed at one side of the tank body (10), one end of the inner tube (20) away from the tank body (10) is communicated with the collection tank (40), and an exhaust port (41) communicated with an inner cavity of the collection tank (40) is disposed at the top end of the collection tank (40).