CN210885958U

CN210885958U - Oil gas recovery device

Info

Publication number: CN210885958U
Application number: CN201920813068.XU
Authority: CN
Inventors: 陈素芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-06-30
Anticipated expiration: 2029-05-31

Abstract

The utility model provides an oil gas recovery device, including first suction fan, oil gas collecting box, solid heat exchanger, condensation absorption tower and oil water separator, install the pipeline spark arrester on the air intake of first fan, oil gas collecting box passes through the second with solid heat exchanger and is connected communicating pipe, and just solid heat exchanger passes through the third communicating pipe with the top of condensation absorption tower and is connected, the compressor passes through the fourth communicating pipe with the left side lower extreme of condensation absorption tower and is connected, and the bottom of condensation absorption tower passes through the fifth communicating pipe with the elevator pump and is connected, and oil water separator's left side passes through the sixth communicating pipe with the sump oil tank and is connected, and oil water separator's bottom and storage water tank pass through the seventh communicating pipe and are connected. The utility model can effectively prevent external flame from entering the equipment and pipeline which contain inflammable and explosive gas; the oil gas can be rapidly cooled and filtered; the gas can be liquefied by matching the compressor; the oil-water mixture can be separated and recycled.

Description

Oil gas recovery device

Technical Field

The utility model belongs to the technical field of vapor recovery system, concretely relates to vapor recovery system device.

Background

Volatile hydrocarbon organic compounds with low carbon content in crude oil and gasoline are extremely volatile, and can generate a large amount of oil gas in the processes of storage and transportation. The oil gas that volatilizees not only can cause the pollution to peripheral atmospheric environment, and when oil gas highly gathered, volatile organic compounds reached certain concentration with the air mixture moreover, "flash explosion" very easily takes place, has the potential safety hazard, and the oil gas that can send simultaneously has also caused the very big waste of resource. Therefore, oil and gas should be recovered. In recent years, research and application of various oil gas recovery devices are generally regarded as important at home and abroad. The prior oil gas and air separation and recovery methods comprise an absorption method, a condensation method and a membrane separation method. Regarding the devices for recovering oil and gas by the methods, the devices generally have the problems of large equipment volume, low recovery efficiency and the like. Thereby can not satisfy people's user demand, in order to solve the above-mentioned problem that appears, the utility model provides an oil gas recovery device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil gas recovery device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an oil gas recovery device comprises a first suction fan, a pipeline flame arrester, an oil gas collecting box, a solid heat exchanger, a condensation absorption tower, a compressor, an oil-water separator, a lift pump, an oil collecting box and a water storage box, wherein the pipeline flame arrester is installed on an air inlet of the first suction fan, an air outlet of the first suction fan is connected with the upper end of the left side of the oil gas collecting box through a first communicating pipe, the oil gas collecting box is connected with the solid heat exchanger through a second communicating pipe, the solid heat exchanger is connected with the top of the condensation absorption tower through a third communicating pipe, the compressor is connected with the lower end of the left side of the condensation absorption tower through a fourth communicating pipe, the bottom of the condensation absorption tower is connected with the lift pump through a fifth communicating pipe, the right side of the oil-water separator is connected with the compressor and the lift pump through three-way pipes, and, and the bottom of the oil-water separator is connected with the water storage tank through a seventh communicating pipe.

Preferably, the second communicating pipe is provided with a second suction fan.

Preferably, the oil gas collecting box comprises a collecting box body, a rotating shaft, a motor, a stirring blade and a fixing bolt, wherein the rotating shaft is installed in the collecting box body, and the motor is installed at the top of the collecting box.

Preferably, the motor is in transmission connection with the rotating shaft, the rotating shaft is provided with the stirring blade, and the stirring blade is fixedly connected with the rotating shaft through a fixing bolt.

Preferably, the condensation absorption tower comprises a shell, an air inlet cover, a fixed pipe, a packing layer and an air inlet pipe, wherein the air inlet cover is arranged at the upper end in the shell through the fixed pipe, and the packing layer is arranged in the shell at the lower end of the air inlet cover.

Preferably, dense air inlet pipes are arranged between the air inlet cover and the packing layer.

The utility model has the advantages that: the oil gas recovery device has simple and reasonable structure and convenient use; the pipeline flame arrester is matched for use, so that external flame can be effectively prevented from entering equipment and pipelines which are filled with flammable and explosive gases; the oil gas collection box, the solid heat exchanger and the condensation absorption tower are matched for use, so that the oil gas can be rapidly cooled and filtered; the gas can be liquefied by matching the compressor; the oil-water mixture can be separated and recycled by matching the oil-water separator.

Drawings

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

FIG. 2 is a schematic structural view of the oil gas collecting box of the present invention;

FIG. 3 is a schematic structural diagram of a condensing absorption tower according to the present invention;

in the figure: 1. a first suction fan; 2. a pipe flame arrestor; 3. an oil gas collecting box; 31. a collecting box body; 32. A rotating shaft; 33. an electric motor; 34. stirring blades; 35. fixing the bolt; 4. a first communication pipe; 5. a solid-to-heat exchanger; 6. a second communicating pipe; 7. a second suction fan; 8. a condensing absorption tower; 81. a housing; 82. an air intake hood; 83. a fixed tube; 84. a filler layer; 85. an air inlet pipe; 9. a third communicating pipe; 10. a compressor; 11. a fourth communicating pipe; 12. an oil-water separator; 13. a fifth communicating pipe; 14. a lift pump; 15. a three-way pipe; 16. an oil collecting tank; 17. a sixth communicating pipe; 18. a water storage tank; 19. and a seventh communication pipe.

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. 1-3, the present invention provides a technical solution: an oil gas recovery device comprises a first suction fan 1, a pipeline flame arrester 2, an oil gas collecting box 3, a solid heat exchanger 5, a condensation absorption tower 8, a compressor 10, an oil-water separator 12, a lift pump 14, an oil collecting box 16 and a water storage tank 18, wherein the pipeline flame arrester 2 is installed on an air inlet of the first suction fan 1, an air outlet of the first suction fan 1 is connected with the upper end of the left side of the oil gas collecting box 3 through a first communicating pipe 4, the oil gas collecting box 3 is connected with the solid heat exchanger 5 through a second communicating pipe 6, a second suction fan 7 is installed on the second communicating pipe 6, the oil gas collecting box 3 consists of a collecting box body 31, a rotating shaft 32, a motor 33, stirring blades 34 and fixing bolts 35, the rotating shaft 32 is installed in the collecting box body 31, the motor 33 is installed at the top of the collecting box 3, the motor 33 is in transmission connection, the stirring blade 34 is fixedly connected with the rotating shaft 32 through a fixing bolt 35, the solid heat exchanger 5 is connected with the top of the condensation absorption tower 8 through a third communicating pipe 9, the condensation absorption tower 8 is composed of a shell 81, an air inlet cover 82, a fixing pipe 83, a packing layer 84 and an air inlet pipe 85, the air inlet cover 82 is installed at the upper end in the shell 81 through the fixing pipe 83, and a packing layer 84 is installed in the shell 81 at the lower end of the air inlet cover 82, a dense air inlet pipe 85 is installed between the air inlet cover 82 and the packing layer 84, the compressor 10 is connected with the lower end of the left side of the condensation absorption tower 8 through a fourth communicating pipe 11, the bottom of the condensation absorption tower 8 is connected with a lift pump 14 through a fifth communicating pipe 13, the right side of the oil-water separator 12 is connected with a compressor 10 and the lift pump 14 through a three-way pipe 15, the left side of the oil-water separator 12 is connected with an oil collecting tank 16 through a sixth communicating pipe 17, and the bottom of the oil-water separator 12 is connected with a water storage tank 18 through a seventh communicating pipe 19.

The working principle is as follows: when in use, oil gas enters the oil gas collection box 3 from the pipeline flame arrester 2 and the first communication pipe 4 under the action of the first suction fan 1, the motor 33 drives the stirring blade 34 to rotate through the rotating shaft 32, the stirring blade 34 carries out stirring and cooling treatment on the oil gas in the oil gas collection box 3, the oil gas in the oil gas collection box 3 enters the solid heat exchanger 5 through the second suction fan 7, the cooled solid heat exchanger 5 enters a condensation absorption tower 8, and after being filtered and condensed by a filler layer 84, gas enters the compressor 10 from the fourth communicating pipe 11, the compressor 10 compresses the gas into liquid, the liquid is conveyed into the oil-water separator 12 from the three-way pipe 15, the liquid in the condensation absorption tower 8 enters the oil-water separator 12 from the fifth communicating pipe 13 and the three-way pipe 15 through the lift pump 14, and the oil-water separator 12 separates oil-water mixture and conveys the oil-water mixture into the oil collecting tank 16 and the water storage tank 18 respectively.

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 an oil gas recovery device, includes first suction fan (1), pipeline spark arrester (2), oil gas collecting box (3), solid heat exchanger (5), condensation absorption tower (8), compressor (10), oil water separator (12), elevator pump (14), sump oil tank (16) and storage water tank (18), its characterized in that: the device is characterized in that a pipeline flame arrester (2) is installed on an air inlet of the first suction fan (1), an air outlet of the first suction fan (1) is connected with the upper end of the left side of an oil-gas collecting box (3) through a first communicating pipe (4), the oil-gas collecting box (3) is connected with a solid heat exchanger (5) through a second communicating pipe (6), the solid heat exchanger (5) is connected with the top of a condensation absorption tower (8) through a third communicating pipe (9), a compressor (10) is connected with the lower end of the left side of the condensation absorption tower (8) through a fourth communicating pipe (11), the bottom of the condensation absorption tower (8) is connected with a lift pump (14) through a fifth communicating pipe (13), the right side of an oil-water separator (12) is connected with the compressor (10) and the lift pump (14) through a three-way pipe (15), the left side of the oil-water separator (12) is connected with an oil collecting tank (16) through a, and the bottom of the oil-water separator (12) is connected with the water storage tank (18) through a seventh communicating pipe (19).

2. An oil and gas recovery device according to claim 1, characterized in that: and a second suction fan (7) is installed on the second communicating pipe (6).

3. An oil and gas recovery device according to claim 1, characterized in that: the oil gas collecting box (3) is composed of a collecting box body (31), a rotating shaft (32), a motor (33), a stirring blade (34) and a fixing bolt (35), the rotating shaft (32) is installed in the collecting box body (31), and the motor (33) is installed at the top of the collecting box (3).

4. An oil and gas recovery device according to claim 3, characterized in that: the motor (33) is in transmission connection with the rotating shaft (32), the rotating shaft (32) is provided with a stirring blade (34), and the stirring blade (34) is fixedly connected with the rotating shaft (32) through a fixing bolt (35).

5. An oil and gas recovery device according to claim 3, characterized in that: the condensation absorption tower (8) is composed of a shell (81), an air inlet cover (82), a fixing pipe (83), a packing layer (84) and an air inlet pipe (85), wherein the air inlet cover (82) is arranged at the upper end of the shell (81) through the fixing pipe (83), and the packing layer (84) is arranged in the shell (81) at the lower end of the air inlet cover (82).

6. An oil and gas recovery device according to claim 5, characterized in that: and dense air inlet pipes (85) are arranged between the air inlet cover (82) and the packing layer (84).