CN215593014U

CN215593014U - Natural gas three-phase separator with desanding function

Info

Publication number: CN215593014U
Application number: CN202121642665.4U
Authority: CN
Inventors: 谭小红
Original assignee: Henan Tiantai Natural Gas Co ltd
Current assignee: Henan Tiantai Natural Gas Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-21
Anticipated expiration: 2031-07-20

Abstract

The utility model provides a natural gas three-phase separator with a sand removing function, and relates to the technical field of natural gas separation. The natural gas three-phase separator with the sand removing function comprises a separating case, wherein the outer part of the separating case is fixedly connected with a support column, the upper part of the inner wall of the separating case is fixedly connected with one end of a first sand filter screen, a second sand filter screen is fixedly connected with the inner wall of the separating case, the upper part of the separating case is fixedly connected with one end of a water inlet pipe, and the other end of the water inlet pipe is fixedly connected with a water inlet valve. This natural gas three-phase separator with desanding function filters the silt particle that will send into the mixture of separator incasement through setting up first silt particle filter screen and the second silt particle filter screen of separator incasement mutually supporting, takes out the silt particle from separator incasement through setting up the mutual cooperation of taking out the sand device on separator case and inhaling sand pipe and sand discharge pipe to no silt particle device leads to the problem of pipe blockage in the natural gas separator has been solved.

Description

Natural gas three-phase separator with desanding function

Technical Field

The utility model relates to the technical field of natural gas separation, in particular to a natural gas three-phase separator with a sand removing function.

Background

In the process of petroleum storage and transportation, crude oil extracted from the ground bottom is an oil-gas-water mixture, the crude oil entering a crude oil treatment station from an oil extraction well contains natural gas, water and oil sludge, several components of the crude oil need to be separated and treated, and the crude oil enters respective treatment containers to be transported, if the crude oil is not completely separated, inaccurate measurement is easily caused, even equipment fluctuation is caused, oil silt settled at the bottom of a separator is easy to accelerate the corrosion of the equipment, and due to the fact that the crude oil is inconvenient to clean, people often drill into the equipment to manually clean, staff poisoning and suffocation are easily caused, a great potential safety hazard exists, and meanwhile, the cleaned oil silt easily pollutes the environment.

The oil-gas-water three-phase mixture produced in an oil well of an oil field still contains water vapor with more oil and light gasoline vapor in the primarily separated natural gas, and the natural gas containing the vapor is output by a pipeline and then has a part of vapor condensed into liquid due to continuous reduction of temperature, so the natural gas must enter a natural gas separator for separation before the next user uses the natural gas, the liquid is removed, oil-water vapor is removed by capture, the high-quality natural gas is provided for the user, the separators on the market are all gas-liquid two-phase separators, the separated liquid is a mixture of water and light oil, and the mixture liquid needs to be subjected to oil-water separation in the next process. In other natural gas processing units, after the natural gas is compressed and cooled, more water and light oil mixture are separated out, a two-phase separator or an air bag is used for gas-liquid two-phase separation, and the separated oil-water mixture still needs to be conveyed to the next working procedure for oil-water separation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a natural gas three-phase separator with a sand removing function, which solves the problems that the natural gas is not completely separated and the oil-water separation processing needs to be carried out again and the efficiency of independently filtering silt is low during the natural gas separation.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a natural gas three-phase separator with a sand removing function comprises a separator case, wherein the outer part of the separator case is fixedly connected with a support column, the upper part of the inner wall of the separator case is fixedly connected with one end of a first sand filter screen, the other end of the first sand filter screen is fixedly connected with the upper surface of a second sand filter screen, the second sand filter screen is fixedly connected with the inner wall of the separator case, the upper part of the separator case is fixedly connected with one end of a water inlet pipe, the other end of the water inlet pipe is fixedly connected with a water inlet valve, one side, close to the water inlet pipe, of the upper part of the separator case is fixedly connected with a sand suction pipe, the sand suction pipe is fixedly connected with one end of a sand suction device, the other end of the sand suction device is fixedly connected with a sand discharge pipe, a wave-proof plate is fixedly mounted on the lower part of the inner wall of the separator case, a water level detector is fixedly mounted on the lower part of the separator case, and a water level detection meter is fixedly connected with the bottom of the water level detector, the oil outlet device is characterized in that an air outlet pipe is fixedly mounted on one side, far away from the water inlet pipe, of the upper portion of the separation case, an air outlet pipe is fixedly connected with one end of the air outlet pipe, the other end of the air outlet pipe is fixedly connected with one end of a mist catching net, the other end of the mist catching net is fixedly connected with a first water outlet pipe, one side, far away from the water inlet pipe, of the lower portion of the separation case is fixedly connected with one end of a second water outlet pipe, the other end of the second water outlet pipe is fixedly connected with a water outlet valve, an oil baffle plate is fixedly mounted on the right side of the inner wall of the separation case, the separation case is fixedly connected with one end of an oil outlet pipe, and the other end of the oil outlet pipe is fixedly connected with the oil outlet valve.

Preferably, one end of the sand suction pipe close to the water inlet pipe extends into the separating case.

Preferably, the number of the breakwaters is three, and the breakwaters are distributed in the interior of the separation case in a semicircular shape.

Preferably, one end of the water level detector, which is far away from the water level detection meter, extends into the separation case.

Preferably, the first sand filter screen and the second sand filter screen are distributed in the separator case in a semicircular shape.

Preferably, the four support columns are uniformly distributed around the separator box.

(III) advantageous effects

The utility model provides a natural gas three-phase separator with a sand removing function. The method has the following beneficial effects:

1. this natural gas three-phase separator with desanding function filters the silt particle that will send into the mixture of separator incasement through setting up first silt particle filter screen and the second silt particle filter screen of separator incasement mutually supporting, takes out the silt particle from separator incasement through setting up the mutual cooperation of taking out the sand device on separator case and inhaling sand pipe and sand discharge pipe to no silt particle device leads to the problem of pipe blockage in the natural gas separator has been solved.

2. This natural gas three-phase separator with function of removing sand makes oil-water mixture can be gentle at the separator incasement through the breakwater that sets up at the separator incasement the flow coordination oil baffle separates the oil, water, the gas of mixture species through the difference of oil, water, gas, density, in collecting first outlet pipe through catching the vapor in the fog net with the air to solved the problem that natural gas separation is not thorough, need enter oil-water separation's processing once more.

Drawings

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

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a left side view of the present invention.

In the figure: 1. separating the chassis; 2. a second silt filter screen; 3. a first silt filter screen; 4. a water inlet pipe; 5. a water inlet valve; 6. a sand suction pipe; 7. a sand pumping device; 8. a sand discharge pipe; 9. a wave-proof plate; 10. a water level detector; 11. a water level detection meter; 12. an air outlet pipe; 13. an air outlet valve; 14. a mist catching net; 15. a first water outlet pipe; 16. a second water outlet pipe; 17. a water outlet valve; 18. an oil outlet pipe; 19. an oil outlet valve; 20. a support pillar; 21. oil baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the utility model provides a natural gas three-phase separator with a sand removing function, which comprises a separator case 1, wherein the outside of the separator case 1 is fixedly connected with support columns 20, the support columns 20 are uniformly distributed around the separator case 1, the upper part of the inner wall of the separator case 1 is fixedly connected with one end of a first sand filter screen 3, the other end of the first sand filter screen 3 is fixedly connected with the upper surface of a second sand filter screen 2, the second sand filter screen 2 is fixedly connected with the inner wall of the separator case 1, the first sand filter screen 3 and the second sand filter screen 2 are both distributed in the separator case 1 in a semicircular shape, the upper part of the separator case 1 is fixedly connected with one end of a water inlet pipe 4, the other end of the water inlet pipe 4 is fixedly connected with a water inlet pipe 5, one side of the upper part of the separator case 1, which is close to the water inlet pipe 4, is fixedly connected with a sand suction pipe 6, one end of the sand suction pipe 6, which is close to the water inlet pipe 4, extends into the inside of the separator case 1, the sand suction pipe 6 is fixedly connected with one end of the sand suction device 7, the other end of the sand suction device 7 is fixedly connected with the sand discharge pipe 8, the lower part of the inner wall of the separation case 1 is fixedly provided with three anti-wave plates 9, the anti-wave plates 9 are distributed in the separation case 1 in a semicircular shape, the lower part of the separation case 1 is fixedly provided with a water level detector 10, one end of the water level detector 10 far away from a water level detection meter 11 extends into the separation case 1, the bottom of the water level detector 10 is fixedly connected with the water level detection meter 11, one side of the upper part of the separation case 1 far away from the water inlet pipe 4 is fixedly provided with an air outlet pipe 12, one end of the air outlet pipe 12 is fixedly connected with an air outlet valve 13, the other end of the air outlet pipe 12 is fixedly connected with one end of a mist catching net 14, the other end of the mist catching net 14 is fixedly connected with a first water outlet pipe 15, one side of the lower part of the separation case 1 far away from the water inlet pipe 4 is fixedly connected with one end of a second water outlet pipe 16, the other end of the second water outlet pipe 16 is fixedly connected with a water outlet valve 17, the right side of the inner wall of the separation case 1 is fixedly provided with an oil baffle plate 21, the separation case 1 is fixedly connected with one end of an oil outlet pipe 18, and the other end of the oil outlet pipe 18 is fixedly connected with an oil outlet valve 19.

The working principle is as follows: when the natural gas impurities need to be separated, the natural gas mixture flows into the separator case 1 from the water inlet pipe 4, the silt of the natural gas mixture is filtered by the first silt filter screen 3 and the second silt filter screen 2, the sand and mud are discharged from a sand discharge pipe 8 through a sand suction pipe 6 and a sand pumping device 7, the natural gas mixture with the sand and mud filtered out enters the multi-separator case 1 and passes through a wave guard plate 9, so that the mixture can smoothly flow in the separator case 1, because the oil, water and air densities in the mixture are different, the natural gas floats above the inside of the separation case 1 through the sediment and is filtered by the mist catching net 14 to flow out of the air outlet pipe 13, the oil-water mixture forms an oil-water boundary layer below the inside of the separation case 1, the water at the lower side flows out through the second outlet pipe 16, and the oil at the upper side flows to the right side of the separator case 1 through the oil baffle plate and flows out through the oil outlet pipe 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas three-phase separator with desanding function, includes separator case (1), its characterized in that: the sand-preventing separation device is characterized in that the outside of the separation case (1) is fixedly connected with a support column (20), the upper part of the inner wall of the separation case (1) is fixedly connected with one end of a first sand filter screen (3), the other end of the first sand filter screen (3) is fixedly connected with the upper surface of a second sand filter screen (2), the second sand filter screen (2) is fixedly connected with the inner wall of the separation case (1), the upper part of the separation case (1) is fixedly connected with one end of a water inlet pipe (4), the other end of the water inlet pipe (4) is fixedly connected with a water inlet valve (5), one side of the upper part of the separation case (1) close to the water inlet pipe (4) is fixedly connected with a sand suction pipe (6), the sand suction pipe (6) is fixedly connected with one end of a sand suction device (7), the other end of the sand suction device (7) is fixedly connected with a sand discharge pipe (8), and a wave-preventing plate (9) is fixedly installed on the lower part of the inner wall of the separation case (1), the water level detector (10) is fixedly mounted on the lower portion of the separation case (1), a water level detection meter (11) is fixedly connected to the bottom of the water level detector (10), an air outlet pipe (12) is fixedly mounted on one side, away from the water inlet pipe (4), of the upper portion of the separation case (1), one end of the air outlet pipe (12) is fixedly connected with an air outlet valve (13), the other end of the air outlet pipe (12) is fixedly connected with one end of a mist catching net (14), the other end of the mist catching net (14) is fixedly connected with a first water outlet pipe (15), one side, away from the water inlet pipe (4), of the lower portion of the separation case (1) is fixedly connected with one end of a second water outlet pipe (16), the other end of the second water outlet pipe (16) is fixedly connected with an air outlet valve (17), an oil baffle plate (21) is fixedly mounted on the right side of the inner wall of the separation case (1), and one end of the oil outlet pipe (18) are fixedly connected, the other end of the oil outlet pipe (18) is fixedly connected with an oil outlet valve (19).

2. The natural gas three-phase separator with the sand removing function as claimed in claim 1, wherein: one end of the sand suction pipe (6) close to the water inlet pipe (4) extends into the separating case (1).

3. The natural gas three-phase separator with the sand removing function as claimed in claim 1, wherein: the number of the wave-proof plates (9) is three, and the wave-proof plates (9) are distributed in the separating case (1) in a semicircular shape.

4. The natural gas three-phase separator with the sand removing function as claimed in claim 1, wherein: one end of the water level detector (10), which is far away from the water level detection meter (11), extends into the separating case (1).

5. The natural gas three-phase separator with the sand removing function as claimed in claim 1, wherein: the first sand filter screen (3) and the second sand filter screen (2) are distributed in the separator case (1) in a semicircular shape.

6. The natural gas three-phase separator with the sand removing function as claimed in claim 1, wherein: the four support columns (20) are uniformly distributed around the separator case (1).