CN113617068A

CN113617068A - Gas separator for petroleum conveying pipeline

Info

Publication number: CN113617068A
Application number: CN202111046308.6A
Authority: CN
Inventors: 刘连明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-11-09

Abstract

The invention discloses a gas separator for a petroleum conveying pipeline, which comprises a separation pipe, a first partition plate, a buffer cavity, a separation cavity, an oil inlet pipe, an oil outlet pipe, an exhaust pipe and a mist catcher, wherein the first partition plate is arranged inside the separation pipe and fixedly connected with the separation cavity and the oil inlet pipe, the separation pipe is divided into the separation cavity and the buffer cavity by the first partition plate, the separation cavity and the buffer cavity are vertically distributed and mutually communicated, the buffer cavity is communicated with the oil inlet pipe and the oil outlet pipe, the buffer cavity is used for slowing the flow velocity of crude oil, and the separation cavity is used for separating air in the crude oil. This a gas separator for among oil conveying pipeline redesigns inner structure, utilizes the high velocity of flow and the pressure of crude oil itself, and the operation of drive structure realizes the high-efficient gas separation operation to crude oil, can utilize same power supply to drive cold water circulation simultaneously and flow and carry out the operation of cooling to crude oil, guarantees to improve gas separation efficiency greatly on low-cost basis.

Description

Gas separator for petroleum conveying pipeline

Technical Field

The invention relates to the technical field related to oil drilling, in particular to a gas separator for an oil conveying pipeline.

Background

When oil is produced from underground, a large amount of moisture and gas are mixed, so that crude oil needs to be conveyed to a specified device through a conveying pipeline to be separated into liquid and gas after being produced, compared with liquid separation, the gas separation mode is simpler, and therefore in the modern technology, a separator with a gas separation structure is used in a pipeline structure for conveying the oil, and the gas in the crude oil is separated, but the existing gas separator of the same type still has the following problems in actual use:

the pressure and flow velocity of crude oil flowing in the pipeline are very high under the influence of the pressure in the geological formation, and the gas separator in the existing pipeline has a simple structure, and gas is separated only through simple fluid collision, so that the gas separation efficiency is too low, and the subsequent separation processing operation of the crude oil is not facilitated.

Disclosure of Invention

The invention aims to provide a gas separator for an oil conveying pipeline, which aims to solve the problems that the prior gas separator in the pipeline has a simple structure and can separate gas only through simple fluid collision, so that the gas separation efficiency is low, and the subsequent separation and processing operations of crude oil are not facilitated.

In order to achieve the purpose, the invention provides the following technical scheme: a gas separator for a petroleum conveying pipeline comprises a separation pipe, a first partition plate, a buffer cavity, a separation cavity, an oil inlet pipe, an oil outlet pipe, an exhaust pipe and a mist catcher, wherein the first partition plate is fixedly connected with the separation pipe, the separation pipe is divided into the separation cavity and the buffer cavity by the first partition plate, the separation cavity and the buffer cavity are distributed vertically and are communicated with each other, the buffer cavity is communicated with the oil inlet pipe and the oil outlet pipe, the buffer cavity is used for slowing down the flow velocity of crude oil, and the separation cavity is used for separating air in the crude oil;

a second partition plate is arranged in the separation pipe, the second partition plate is positioned above the first partition plate, the separation cavity is positioned between the second partition plate and the first partition plate, separation cylinders which are vertically distributed are arranged in the second partition plate, first auger plates which are in threaded distribution are arranged in the separation cylinders, the first auger plates are fixedly arranged on a rotating shaft and are used for separating air in crude oil, the air in the crude oil is separated and then discharged through an exhaust pipe, and the exhaust pipe is communicated with the separation pipe through a transit box;

perpendicular distribution the pivot is rotated and is installed in the separator tube, and pivot and cylinder for the coaxial line distributes, and installs first paddle board in the pivot, first paddle board is for the angular distribution such as, and first paddle board is located the inside of cushion chamber, first paddle board passes through the impact drive pivot rotation of crude oil.

Further, the below of separator tube is provided with the water tank, the inside of water tank is provided with a water supply section of thick bamboo, the bottom of a water supply section of thick bamboo is open structure, and its inside is provided with the second auger plate, the spiral direction of second auger plate is opposite with the spiral direction of first auger plate, and the second auger plate upwards promotes the water in the water tank in a water supply section of thick bamboo through rotating.

Further, second auger plate fixed mounting is in the pivot, the inside of a water supply section of thick bamboo is provided with the water hole of seting up in the pivot surface, the water hole is linked together with the first cavity of seting up in the pivot inside, and just first cavity is linked together with the second cavity of seting up in first auger plate inside, the second cavity is used for circulating cold water and cools down crude oil.

Furthermore, the top of pivot and the bottom of connecting pipe are rotated and are connected, and the top of connecting pipe is linked together through the top of hollow box and back flow to the bottom of back flow runs through the diapire of separator tube and extends to the inside of water tank, hollow box and back flow are used for the recovery of cold water.

Furthermore, the hollow box is fixedly installed inside the transit box, the mist traps which are horizontally distributed are located above the transit box, the lower end faces of the mist traps are attached to the bristles, the bristles are fixed to the upper end face of the cleaning rod, and the cleaning rod which is horizontally distributed is fixedly installed at the top end of the vertical shaft.

Further, the vertical shaft rotates and is installed on the axis of the hollow box, the bottom end of the vertical shaft is fixedly provided with second paddle boards which are distributed at equal angles, the second paddle boards are located inside the hollow box, and the impact force of cold water in the connecting pipe is used for driving the vertical shaft to rotate.

Furthermore, a gathering cover located below the hollow box is arranged below the mist catcher and used for collecting water drops brushed down in the mist catcher, the gathering cover is fixedly mounted on the return pipe, a recovery hole formed in the side wall of the return pipe is formed in the gathering cover, and a baffle fixed on the inner wall of the recovery pipe is arranged on the inner side of the recovery hole.

Compared with the prior art, the invention has the beneficial effects that: the gas separator for the petroleum conveying pipeline redesigns the internal structure, drives the structure to run by utilizing the high flow speed and the pressure of the crude oil, realizes the high-efficiency gas separation operation of the crude oil, can simultaneously drive cold water to circularly flow by utilizing the same power source to carry out cooling operation on the crude oil, and ensures that the gas separation efficiency is greatly improved on the basis of low cost;

1. the first paddle board is structurally designed, so that when crude oil flows in the buffer cavity, the rotating shaft can be driven to rotate synchronously, the first auger board rotates synchronously, the crude oil which is positioned in the separation cavity and overflows in the separation cylinder is continuously beaten downwards and conveyed, and therefore gas contained in the crude oil is discharged without using driving equipment such as other motors;

furthermore, the second auger plate can be synchronously driven to synchronously rotate in the water supply cylinder by the vertical shaft when the vertical shaft rotates, so that cold water in the water tank is lifted upwards to the upper half section in the water supply cylinder to play a role in conveying water flow;

2. back flow and hollow box's use, make cold water can get back to the water tank under both's intercommunication after the heat absorption, thereby realize the recovery and cyclic utilization of water resource, more energy-concerving and environment-protective, and simultaneously, the structural design of the inside second paddle board of hollow box, make cold water when the backward flow, can move the vertical axis through second paddle board and be in the rotating-state in step, thereby the clearance pole that has made the installation brush hair can run in step, thereby directly fall in gathering together the cover to a large amount of beads that gather in the mist catcher, and follow cold water and together get into the water tank via the back flow, avoid piling up a large amount of beads and lead to defogging efficiency to reduce.

Drawings

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

FIG. 2 is a schematic top view of a first blade plate according to the present invention;

FIG. 3 is a schematic cross-sectional view of a water supply cartridge according to the present invention;

FIG. 4 is a schematic cross-sectional view of the rotating box of the present invention;

FIG. 5 is a schematic bottom view of the hollow case of the present invention;

FIG. 6 is an enlarged cross-sectional view taken at A in FIG. 4 according to the present invention.

In the figure: 1. a separation tube; 2. a first separator; 3. a buffer chamber; 4. a separation chamber; 5. an oil inlet pipe; 6. an oil outlet pipe; 7. a rotating shaft; 8. a second separator; 9. a separation cylinder; 10. a first auger plate; 11. a first paddle board; 12. an exhaust pipe; 13. a transfer box; 14. a water tank; 15. a water supply cylinder; 16. a second auger plate; 17. a water pore; 18. a first cavity; 19. a second cavity; 20. a connecting pipe; 21. a hollow box; 22. a return pipe; 23. a mist catcher; 24. brushing; 25. a cleaning rod; 26. a vertical axis; 27. a second paddle board; 28. a gathering cover; 29. a recovery hole; 30. and a 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.

Referring to fig. 1-6, the present invention provides a technical solution: a gas separator for petroleum delivery pipelines comprises a separation pipe 1, a first partition plate 2, a buffer cavity 3, a separation cavity 4, an oil inlet pipe 5, an oil outlet pipe 6, a rotating shaft 7, a second partition plate 8, a separation cylinder 9, a first auger plate 10, a first paddle plate 11, an exhaust pipe 12, a transfer box 13, a water tank 14, a water supply cylinder 15, a second auger plate 16, a water hole 17, a first cavity 18, a second cavity 19, a return pipe 20, a hollow box 21, a return pipe 22, a mist catcher 23, bristles 24, a cleaning rod 25, a vertical shaft 26, a second paddle plate 27, a gathering cover 28, a recovery hole 29 and a baffle 30, wherein the first partition plate 2 is arranged inside the separation pipe 1 and fixedly connected with the first cavity 18 and the second cavity 19, the separation pipe 1 is divided into the separation cavity 4 and the buffer cavity 3 by the first partition plate 2, the separation cavity 4 and the oil outlet pipe 6 are communicated with each other, the buffer cavity 3 is used for slowing the flow velocity of the crude oil, and the separation cavity 4 is used for separating air in the crude oil;

a second partition plate 8 is arranged in the separation pipe 1, the second partition plate 8 is positioned above the first partition plate 2, the separation cavity 4 is positioned between the second partition plate 8 and the first partition plate 2, separation cylinders 9 which are vertically distributed are arranged in the second partition plate 8, first auger plates 10 which are distributed in a threaded manner are arranged in the separation cylinders 9, the first auger plates 10 are fixedly arranged on a rotating shaft 7, the first auger plates 10 are used for separating air in crude oil, the air in the crude oil is separated and then discharged through an exhaust pipe 12, and the exhaust pipe 12 is communicated with the separation pipe 1 through a transit box 13;

the rotating shaft 7 which is vertically distributed is rotatably installed in the separating tube 1, the rotating shaft 7 and the separating tube 9 are distributed coaxially, a first paddle board 11 is installed on the rotating shaft 7, the first paddle board 11 is distributed at equal angles, the first paddle board 11 is located inside the buffer cavity 3, and the first paddle board 11 drives the rotating shaft 7 to rotate through the impact of crude oil.

A water tank 14 is arranged below the separation pipe 1, a water supply cylinder 15 is arranged inside the water tank 14, the bottom end of the water supply cylinder 15 is of an open structure, a second auger plate 16 is arranged inside the water tank, the spiral direction of the second auger plate 16 is opposite to that of the first auger plate 10, the second auger plate 16 lifts water in the water tank 14 upwards in the water supply cylinder 15 through rotation, the second auger plate 16 is fixedly arranged on the rotating shaft 7, a water hole 17 arranged on the surface of the rotating shaft 7 is arranged inside the water supply cylinder 15, the water hole 17 is communicated with a first cavity 18 arranged inside the rotating shaft 7, the first cavity 18 is communicated with a second cavity 19 arranged inside the first auger plate 10, the second cavity 19 is used for circulating cold water to cool crude oil, and as shown in fig. 1 and 3, when the rotating shaft 7 is in a rotating state, the second auger plate 16 at the bottom end is also in a rotating state at the same time, under the initial condition, the inside liquid level of water tank 14 and water supply section of thick bamboo 15 is in the state of keeping level, and when vertical axis 7 corresponding rotation, second auger plate 16 just can rotate and upwards promote cold water in step, cold water enters into the inside of first cavity 18 via water hole 17, and under the intercommunication effect, enter into the inside of second cavity 19 via first cavity 18, thereby make first auger plate 10 be in a state cryogenic relatively, make first auger plate 10 not only can realize gas separation's purpose, can also cool down the operation to crude oil, avoid the high temperature and the friction repeatedly between crude oil and the auger plate to produce explosion risk.

The top end of the rotating shaft 7 is rotatably connected with the bottom end of the connecting pipe 20, the top end of the connecting pipe 20 is communicated with the top end of the return pipe 22 through a hollow box 21, the bottom end of the return pipe 20 penetrates through the bottom wall of the separating pipe 1 and extends into the water tank 14, the hollow box 21 and the return pipe 20 are used for recovering cold water, the hollow box 21 is fixedly arranged inside the transit box 13, a horizontally distributed mist catcher 23 is arranged inside the transit box 13, the horizontally distributed mist catcher 23 is positioned above the transit box 13, the lower end surface of the mist catcher 23 is attached to bristles 24, the bristles 24 are fixed on the upper end surface of a cleaning rod 25, the horizontally distributed cleaning rod 25 is fixedly arranged on the top end of a vertical shaft 26, the vertical shaft 26 is rotatably arranged on the axis of the hollow box 21, the bottom end of the vertical shaft 26 is fixedly provided with second paddle plates 27 which are distributed at equal angles, the second paddle plates 27 are positioned inside the hollow box 21, and the second paddle board 27 drives the vertical shaft 26 to rotate by the impact force of the cold water in the connecting pipe 20, the gathering cover 28 is arranged below the mist catcher 23 and is positioned below the hollow box 21, the gathering cover 28 is used for gathering water drops brushed down in the mist catcher 23, the gathering cover 28 is fixedly arranged on the return pipe 22, the gathering cover 28 is internally provided with a recovery hole 29 arranged on the side wall of the return pipe 22, the inner side of the recovery hole 29 is provided with a baffle 30 fixed on the inner wall of the recovery pipe 22, as shown in fig. 4-5, the water flow in the first cavity 18 directly enters the connecting pipe 20 positioned at the top end after completing the flow, the water flow in the connecting pipe 20 enters the interior of the return pipe 22 under the conduction of the hollow box 21 and returns to the interior of the water tank 14 along the return pipe 22, so that the complete water flow is recycled, and when the water flow flows in the interior of the hollow box 21, the water flow flows along the tangential direction of the second paddle board 27 which is annularly distributed, therefore, the second paddle board 27 can drive the vertical shaft 26 to be in a rotating state, the existing equipment of the mist catcher 23 is used for water mist adsorption after gas separation, therefore, a large amount of water drops inevitably condense on the lower surface of the mist catcher, and the efficiency of demisting is reduced due to untimely removal, therefore, the cleaning rod 25 is arranged at the top end of the vertical shaft 26, when the vertical shaft 26 is in the rotating state, the cleaning rod 25 synchronously rotates and drives the bristles 24 to synchronously clean the lower end surface of the mist catcher 23, the water drops correspondingly enter the gathering cover 28 shown in fig. 6, and enter the return pipe 22 and enter the water tank 14 together with cold water under the communication effect of the recovery hole 29, and because the bottom end of the baffle 30 is positioned below the recovery hole 29, the cold water cannot overflow from the recovery hole 29 in the return process.

The gas separation process of the technical scheme is as follows:

crude oil enters the buffer cavity 3 through the oil inlet pipe 5, after the crude oil passes through the buffer cavity 3, the crude oil overflows to the separation cavity 4 through the communicating point on the right side, the first blade plate 11 in the buffer cavity 3 is impacted by the flow of the crude oil and correspondingly drives the rotating shaft 7 to rotate, the first auger plate 10 rotates synchronously, the crude oil overflowing in the separation cylinder 9 is continuously extruded, the crude oil directly beats each other, gas can be separated and discharged from the exhaust pipe 12, and the separated crude oil returns to the pipeline through the oil outlet pipe 6 to be continuously conveyed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas separator for among oil transportation pipeline, includes separator tube, first baffle, cushion chamber, separation chamber, advances oil pipe, goes out oil pipe, blast pipe and mist catcher, its characterized in that: the separation pipe is internally provided with a first partition plate which is fixedly connected with the separation pipe, the separation pipe is divided into a separation cavity and a buffer cavity by the first partition plate, the separation cavity and the buffer cavity are distributed up and down and are mutually communicated, the buffer cavity is communicated with the oil inlet pipe, the separation cavity is communicated with the oil outlet pipe, the buffer cavity is used for slowing the flow velocity of crude oil, and the separation cavity is used for separating air in the crude oil;

2. A gas separator for use in petroleum transportation pipelines according to claim 1, wherein: the water tank is arranged below the separation pipe, a water supply cylinder is arranged inside the water tank, the bottom end of the water supply cylinder is of an open structure, a second auger plate is arranged inside the water supply cylinder, the spiral direction of the second auger plate is opposite to that of the first auger plate, and the second auger plate upwards lifts water in the water tank in the water supply cylinder through rotation.

3. A gas separator for use in petroleum transportation pipelines according to claim 2, wherein: the second auger plate is fixedly arranged on the rotating shaft, a water hole formed in the surface of the rotating shaft is formed in the water supply cylinder, the water hole is communicated with a first cavity formed in the rotating shaft, the first cavity is communicated with a second cavity formed in the first auger plate, and the second cavity is used for cooling crude oil through circulating cold water.

4. A gas separator for use in petroleum transportation pipelines according to claim 3, wherein: the top of pivot and the bottom of connecting pipe are rotated and are connected, and the top of connecting pipe is linked together through the top of hollow box and back flow to the diapire that the bottom of back flow runs through the separator tube extends to the inside of water tank, hollow box and back flow are used for the recovery of cold water.

5. A gas separator for use in petroleum transportation pipelines according to claim 4, wherein: the hollow box is fixedly arranged in the transit box, the mist catcher which is horizontally distributed is positioned above the transit box, the lower end face of the mist catcher is attached to the bristles, the bristles are fixed on the upper end face of the cleaning rod, and the cleaning rod which is horizontally distributed is fixedly arranged at the top end of the vertical shaft.

6. A gas separator for use in petroleum transportation pipelines according to claim 5, wherein: the vertical shaft rotates and is installed on the axis of the hollow box, the bottom end of the vertical shaft is fixedly provided with second paddle boards which are distributed at equal angles, the second paddle boards are located inside the hollow box, and the impact force of cold water in the connecting pipe is used for driving the vertical shaft to rotate.

7. A gas separator for use in petroleum transportation pipelines according to claim 5, wherein: the lower part of the mist catcher is provided with a gathering cover positioned below the hollow box, the gathering cover is used for collecting water drops brushed down in the mist catcher, the gathering cover is fixedly installed on the return pipe, a recovery hole formed in the side wall of the return pipe is formed in the gathering cover, and a baffle plate fixed on the inner wall of the recovery pipe is arranged on the inner side of the recovery hole.