CN213724970U

CN213724970U - Backflow tank with floating suction head

Info

Publication number: CN213724970U
Application number: CN202022514865.3U
Authority: CN
Inventors: 唐群煜; 陆道文; 汤唐正正
Original assignee: WUXI SHUANGXIONG GENERAL MACHINERY CO Ltd
Current assignee: WUXI SHUANGXIONG GENERAL MACHINERY CO Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-20
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a backward flow jar with float suction head, it can directly extract naphtha, improves the oil-water separation's of backward flow jar effect, a backward flow jar, and it includes horizontal columniform first barrel, the top left side of first barrel is provided with the mixture entry, the top right side of first barrel is provided with the oil gas export, the bottom center of first barrel is provided with the second barrel, the second barrel link up with first barrel, the bottom of second barrel is provided with delivery port, its characterized in that: the top of first barrel still is provided with the oil extraction mouth, install the scalable hose that runs through the return tank top in the oil extraction mouth, the hose one end in the return tank is connected and is floated the suction head, float the suction head and set up on the oil level, hose one end connection suction pump outside the return tank.

Description

Backflow tank with floating suction head

Technical Field

The utility model relates to an oil water separator technical field specifically is a backward flow jar with float suction head.

Background

Crude oil extracted from an oil field contains certain moisture, the crude oil enters a mixed benzene device, is subjected to primary heating through a heat exchanger system, then is sent into a reaction regeneration system for rapid heating, namely, a light component oil product containing water is generated, then enters a rectifying tower for oil-water separation, steam generated in the separation process enters a light component naphtha cooler for cooling to about 40 ℃ after being distilled out along with the light component oil product on the top of the rectifying tower from a volatilization line, the cooled light component naphtha containing water enters a reflux tank, and naphtha, oil gas and water are separated in the tank; as the densities of naphtha, oil gas and water are different, the water is positioned at the bottom of the reflux tank, the naphtha is positioned at the middle part of the reflux tank, and the oil gas is positioned at the top of the reflux tank, as shown in fig. 1, in the prior art, corresponding outlets are arranged at different positions of the reflux tank, so that the naphtha, the oil gas and the water are respectively discharged; however, a small amount of water still exists at the oil outlet, so that the final oil-water separation effect is poor.

SUMMERY OF THE UTILITY MODEL

Still can have a small amount of water in the oil outlet department to current backward flow jar, has the poor problem of water oil separating effect, the utility model provides a backward flow jar with float suction head, its can directly extract naphtha improves the water oil separating's of backward flow jar effect.

The technical scheme is as follows: the utility model provides a return tank with float suction head, its includes horizontal columniform first barrel, the top left side of first barrel is provided with the mixture entry, the top right side of first barrel is provided with the oil gas export, the bottom center of first barrel is provided with the second barrel, the second barrel link up with first barrel, the bottom of second barrel is provided with delivery port, its characterized in that: the top of first barrel still is provided with the oil extraction mouth, install the scalable hose that runs through the return tank top in the oil extraction mouth, the hose one end in the return tank is connected and is floated the suction head, float the suction head and set up on the oil level, hose one end connection suction pump outside the return tank.

It is further characterized in that: and a differential pressure liquid level transmitter, a float level meter, a glass plate liquid level meter, a pressure gauge transmitter and a pressure gauge are respectively arranged on the first barrel and the second barrel.

The top of the first barrel is also provided with a safety valve port and a vent hole, the side surface of the first barrel is provided with a steam blowing port and a manhole, and the bottom of the first barrel is also provided with a drain outlet.

An anti-vortex device is arranged on the first water outlet, an L-shaped guide pipe is fixedly connected to the mixture inlet, and the outlet of the L-shaped guide pipe faces to the left side of the first cylinder.

The heat preservation ring is arranged inside the second cylinder, a hot water inlet and a hot water outlet are formed in the outer wall of the second cylinder, and the hot water inlet and the hot water outlet are communicated with the heat preservation ring.

Compared with the prior art, the utility model, its beneficial effect does: the naphtha can be directly extracted from the upper part of the oil level by arranging the floating suction head and the suction pump, the problems that a small amount of water still exists at an oil outlet of a reflux tank and the oil-water separation effect is not ideal in the prior art are solved, and the oil-water separation effect is effectively improved.

Drawings

FIG. 1 is a half sectional view of a prior art overall structure;

FIG. 2 is a half sectional view of the overall structure of the present invention;

1. a first cylinder; 2. a mixture inlet; 3. an oil gas outlet; 4. an oil extraction port; 5. a second cylinder; 6. a first water outlet; 7. A hose; 8. floating the suction head; 9. a suction pump; 10. a differential pressure level transmitter; 11. A float level meter; 12. a glass plate level gauge; 13. a pressure gauge transmitter; 14. a pressure gauge; 15. a safety valve port; 16. a vent port; 17. a steam purge port; 18. a manhole; 19. a sewage draining outlet; 20. a vortex breaker; 21. an L-shaped conduit; 22. a heat preservation ring; 23. a hot water inlet; 24. a hot water outlet.

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.

As shown in fig. 2, a reflux drum with a floating suction head comprises a horizontal cylindrical first drum 1, wherein a mixture inlet 2 is arranged on the left side of the top of the first drum 1, an oil gas outlet 3 is arranged on the right side of the top of the first drum 1, a second drum 5 is arranged in the center of the bottom of the first drum 1, the second drum 5 is communicated with the first drum 1, and a first water outlet 6 is arranged at the bottom of the second drum 5; the top of first barrel 1 still is provided with oil extraction mouth 4, install the scalable hose 7 that runs through the return tank top in the oil extraction mouth 4, hose 7 one end in the return tank is connected and is floated suction head 8, float suction head 8 and set up on the oil level, hose 7 one end outside the return tank is connected suction pump 9, and float suction head 8 can directly follow the oil level top and draw the naphtha after opening suction pump 9.

The first cylinder and the second cylinder are respectively provided with a differential pressure liquid level transmitter 10, a buoy liquid level meter 11, a glass plate liquid level meter 12, a pressure gauge transmitter 13 and a pressure gauge 14 for measuring the liquid level height and the pressure condition in the cylinders.

The top of the first barrel 1 is also provided with a relief valve port 15 and a vent 16, the side surface of the first barrel 1 is provided with a steam blowing port 17 and a manhole 18, and the bottom of the first barrel 1 is also provided with a sewage draining port 19.

The first water outlet 6 is provided with a vortex breaker 20, the mixture inlet 2 is fixedly connected with an L-shaped conduit 21, and the outlet of the L-shaped conduit 21 faces the left side of the first cylinder 1.

The second cylinder 5 is internally provided with a heat preservation ring 22, the outer wall of the second cylinder 5 is provided with a hot water inlet 23 and a hot water outlet 24, and the hot water inlet 23 and the hot water outlet 24 are communicated with the heat preservation ring 22 and used for heating the liquid in the second cylinder 5, preventing sewage in the cylinders from condensing and promoting oil-water separation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A backflow tank with a floating suction head comprises a horizontal cylindrical first barrel (1), wherein a mixture inlet (2) is formed in the left side of the top of the first barrel (1), an oil gas outlet (3) is formed in the right side of the top of the first barrel (1), a second barrel (5) is arranged in the center of the bottom of the first barrel (1), the second barrel (5) is communicated with the first barrel (1), and a first water outlet (6) is formed in the bottom of the second barrel (5); the method is characterized in that: the top of first barrel (1) still is provided with oil pump outlet (4), install scalable hose (7) that run through the return tank top in oil pump outlet (4), hose (7) one end in the return tank is connected and is floated suction head (8), float suction head (8) and set up on the oil level, hose (7) one end outside the return tank is connected suction pump (9).

2. A reflux drum with float head as set forth in claim 1, wherein: the first barrel and the second barrel are respectively provided with a differential pressure liquid level transmitter (10), a buoy liquid level meter (11), a glass plate liquid level meter (12), a pressure gauge transmitter (13) and a pressure gauge (14).

3. A reflux drum with float head as set forth in claim 1, wherein: the top of the first barrel (1) is further provided with a safety valve port (15) and a vent (16), the side face of the first barrel (1) is provided with a steam purging port (17) and a manhole (18), and the bottom of the first barrel (1) is further provided with a drain (19).

4. A reflux drum with float head as set forth in claim 1, wherein: an anti-vortex device (20) is arranged on the first water outlet (6), an L-shaped conduit (21) is fixedly connected to the mixture inlet (2), and the outlet of the L-shaped conduit (21) faces to the left side of the first cylinder (1).

5. A reflux drum with float head as set forth in claim 1, wherein: the heat preservation ring (22) is arranged inside the second cylinder body (5), the hot water inlet (23) and the hot water outlet (24) are arranged on the outer wall of the second cylinder body (5), and the hot water inlet (23) and the hot water outlet (24) are communicated with the heat preservation ring (22).