CN212159241U

CN212159241U - VOCS oil gas collection system

Info

Publication number: CN212159241U
Application number: CN202020807407.6U
Authority: CN
Inventors: 阚子建; 方健; 徐龙波
Original assignee: CNOOC Tianjin Chemical Research and Design Institute Co Ltd
Current assignee: CNOOC Tianjin Chemical Research and Design Institute Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-15
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a VOCS oil gas collection system relates to VOCS processing apparatus technical field, which comprises a cavity, the cavity side is fixed with the basin, and holds in the basin and be equipped with sealed water, the liquid regulation mouth has been seted up to the lateral wall of cavity and basin junction, and the liquid regulation mouth runs through the lateral wall of cavity and basin simultaneously, the cavity bottom surface runs through there is the pipeline, and the pipeline runs through the cavity bottom surface, the utility model discloses in, adopt the form of water seal, cooperation water yield adjusting device ensures can not cross because the water level is low excessively, causes the excessive release of VOCS, still plays the effect of spark arrester simultaneously. And the baffle can prevent the gas of the pressure relief pipe from escaping from the position of the water quantity adjusting device. Thereby avoiding the loss of oil products, and simultaneously avoiding the conditions that the negative pressure in the oil tank is too large to cause the instability of the container, cause the deformation of the container and cause accidents.

Description

VOCS oil gas collection system

Technical Field

The utility model relates to a VOCS processing apparatus technical field especially relates to a VOCS oil gas collection system.

Background

During the loading and unloading of oil or during the daily work of the oil tank field, volatile substances VOCS in the oil evaporate into the air of the container for temperature and other reasons, during the loading and unloading of oil. Volatile materials VOCS are released into the atmosphere. Causing air hazards, it is often necessary to pump VOCS gas out of the tank.

In the prior art, a breather valve is adopted to be butted with a pump, and a pumping mode is adopted, so that volatile substances in petroleum are easily sucked away, and the loss of oil products is caused. In addition, negative pressure is generated in a container for containing petroleum, and if the negative pressure is too large, the container is unstable, the container is deformed, and accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a VOCS oil gas collecting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a VOCS oil gas collection system, includes the cavity, the cavity side is fixed with the basin, and holds in the basin and be equipped with sealed water, the liquid regulation mouth has been seted up to the lateral wall of cavity and basin junction, and the liquid regulation mouth runs through the lateral wall of cavity and basin simultaneously, the cavity bottom surface runs through there is the pipeline, and the pipeline runs through the cavity bottom surface.

Preferably, one end of the pipeline, which is far away from the cavity, is fixed with a flange structure, and the pipeline is connected with the oil tank body through a flange.

Preferably, the top surface of the cavity is fixed with an air delivery pipe, the air delivery pipe penetrates through the top surface of the cavity, and an exhaust pipe is arranged at the upper end of the cavity, which is far away from one side of the water tank, and penetrates through the side wall of the cavity.

Preferably, the top end of the pipeline is provided with a pressure relief pipe, the pressure relief pipe is connected with the pipeline through a three-way pipe, the cross section of the pressure relief pipe is nearly in a Chinese character shan shape, and the top end of the pressure relief pipe is submerged in the sealing water surface.

Preferably, a water quantity adjusting device is fixed at the top end of the inner wall of the water tank, and one end, far away from the inner wall of the water tank, of the water quantity adjusting device floats on the surface of the sealed water in the water tank.

Preferably, a baffle is fixed on the bottom surface in the cavity and is positioned right in front of the liquid adjusting port.

Advantageous effects

The utility model discloses in, adopt the form of water seal, cooperation water yield adjusting device ensures can not cross because of the water level is low excessively, causes the excessive release of VOCS, still plays the effect of spark arrester simultaneously. And the baffle can prevent the gas of the pressure relief pipe from escaping from the position of the water quantity adjusting device. Thereby avoiding the loss of oil products, and simultaneously avoiding the conditions that the negative pressure in the oil tank is too large to cause the instability of the container, cause the deformation of the container and cause accidents.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a VOCS oil and gas collecting device provided by the present invention;

fig. 2 is the utility model provides a VOCS oil gas collection system's cross-sectional view.

Illustration of the drawings:

1. and a flange structure; 2. a pipeline; 3. a pressure relief pipe; 4. a water tank; 5. a wind delivery pipe; 6. an exhaust duct; 7. a liquid regulating port; 8. a water quantity adjusting device; 9. a baffle plate; 10. a cavity.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-2, a VOCS oil gas collecting device comprises a cavity 10, wherein a wind conveying pipe 5 is fixed on the top surface of the cavity 10, the wind conveying pipe 5 penetrates through the top surface of the cavity 10, an upper end exhaust pipe 6 on one side of the cavity 10, which is far away from a water tank 4, penetrates through the side wall of the cavity 10, a water tank 4 is fixed on the side surface of the cavity 10, sealing water is contained in the water tank 4, a water quantity adjusting device 8 is fixed on the top end of the inner wall of the water tank 4, one end, which is far away from the inner wall of the water tank 4, of the water quantity adjusting device 8 floats on the surface of the sealing water in the water tank 4, a liquid adjusting port 7 is formed in the side wall of the joint of the cavity 10 and the water tank 4, the liquid adjusting port 7 simultaneously penetrates through the side walls of the cavity 10 and the water tank 4, a pipeline 2 penetrates through the bottom surface of the cavity 10, a flange structure, the top of pipeline 2 is equipped with pressure release pipe 3, and pressure release pipe 3 passes through the three-way pipe with pipeline 2 and is connected, and the nearly chevron type in 3 cross-sections of pressure release pipe, and what press release pipe 3 top was not in the sealed surface of water, and the inside bottom surface of cavity 10 is fixed with baffle 9, and baffle 9 is located the dead ahead of liquid regulation mouth 7.

The utility model discloses a theory of operation: the cavity 10 is connected with a flange on the tank body through the flange structure 1. Make the internal and be connected with pressure release pipe 3 with the jar, when the container internal pressure was high, exceeded the hydraulic pressure in basin 4, the VOCS volatile substance will be followed in pressure release pipe 3, discharges the upper portion of basin 4, through the air supply that defeated tuber pipe 5 does not stop, makes VOCS gas and wind send into processing apparatus from exhaust pipe 6 together, and liquid regulation mouth 7 and water yield adjusting device 8 cooperation use, guarantee can not cause the excessive release of VOCS because of the water level is low excessively. In addition, the flame arrester also plays a role. And the baffle 9 prevents the gas of the pressure relief pipe 3 from escaping from the position of the liquid regulating port 7.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a VOCS oil gas collection system, includes cavity (10), its characterized in that: the water tank (4) is fixed to the side face of the cavity (10), sealing water is contained in the water tank (4), a liquid adjusting port (7) is formed in the side wall of the joint of the cavity (10) and the water tank (4), the liquid adjusting port (7) penetrates through the side walls of the cavity (10) and the water tank (4) simultaneously, a pipeline (2) penetrates through the bottom face of the cavity (10), and the pipeline (2) penetrates through the bottom face of the cavity (10).

2. A VOCS oil and gas collection system according to claim 1, wherein: one end of the pipeline (2) far away from the cavity (10) is fixed with a flange structure (1), and the pipeline (2) is connected with the oil tank body through a flange.

3. A VOCS oil and gas collection system according to claim 1, wherein: the top surface of cavity (10) is fixed with defeated tuber pipe (5), and defeated tuber pipe (5) run through cavity (10) top surface, the upper end exhaust pipe (6) of keeping away from basin (4) one side of cavity (10), and exhaust pipe (6) run through the lateral wall of cavity (10).

4. A VOCS oil and gas collection system according to claim 1, wherein: the top of pipeline (2) is equipped with pressure release pipe (3), and pressure release pipe (3) are connected through the three-way pipe with pipeline (2), and pressure release pipe (3) cross-section nearly mountain style of calligraphy, and what pressure release pipe (3) top was submerged in sealed surface of water.

5. A VOCS oil and gas collection system according to claim 1, wherein: and a water quantity adjusting device (8) is fixed at the top end of the inner wall of the water tank (4), and one end, far away from the inner wall of the water tank (4), of the water quantity adjusting device (8) floats on the surface of the sealed water in the water tank (4).

6. A VOCS oil and gas collection system according to claim 1, wherein: a baffle (9) is fixed on the bottom surface inside the cavity (10), and the baffle (9) is positioned right in front of the liquid adjusting port (7).