CN109488882B - Gas-liquid mixed transportation supercharging device with wire mesh demister and method - Google Patents
Gas-liquid mixed transportation supercharging device with wire mesh demister and method Download PDFInfo
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- CN109488882B CN109488882B CN201811323807.3A CN201811323807A CN109488882B CN 109488882 B CN109488882 B CN 109488882B CN 201811323807 A CN201811323807 A CN 201811323807A CN 109488882 B CN109488882 B CN 109488882B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
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Abstract
The invention relates to a gas-liquid mixed transportation supercharging device and method, belongs to the technical field of gas-liquid mixed transportation supercharging, and particularly relates to a gas-liquid mixed transportation supercharging device with a wire mesh demister and a gas-liquid mixed transportation supercharging method. The method comprises the following steps: the medium input port of the washing tank is connected with the mixed input port A, and the medium output port is connected with the mixed output port B; and a gas outlet of the washing tank is connected with a compressor, and an output port of the compressor is connected with a gas input port of the washing tank. The device and the method can realize gas-liquid mixed transportation, have high integration level, good stability, wide application range and low manufacturing cost, are particularly suitable for gas-liquid mixed transportation and oil-gas recovery projects of oil-gas fields, and are convenient to install and move on site.
Description
Technical Field
The invention relates to a gas-liquid mixed transportation supercharging device and method, belongs to the technical field of gas-liquid mixed transportation supercharging, and particularly relates to a gas-liquid mixed transportation supercharging device with a wire mesh demister and a gas-liquid mixed transportation supercharging method.
Background
Along with the development of desert and marine oil-gas fields and the development of oil-gas gathering and transportation matching technology, the oil-gas-water multiphase mixed transportation technology is more and more widely applied. The pressurized low-pressure oil-gas medium produced at the well mouth is mixed and transported through a pipeline, so that the method is the most effective way for long-distance and high-efficiency transportation of oil gas at present, and has great social and economic benefits.
The traditional wellsite mixed transportation process comprises the following steps: firstly, heating a low-pressure mixed conveying medium, then carrying out gas-liquid separation, storing the separated liquid medium in a liquid storage tank, pumping and pressurizing the liquid medium through an external conveying pump, and then discharging the liquid medium into a mixed conveying pipe network; and the separated gas medium is filtered and then pressurized by a compressor, and the pressurized high-pressure gas medium is discharged into a gas transmission pipe network to realize gas-liquid mixed transmission. The well site equipment mainly comprises a mechanical compressor, a heating furnace, a separator, a filter, a liquid storage tank, an external delivery pump and the like, and has the advantages of more equipment, complex process, more faults, difficulty in prying, incapability of centralized control, trouble in field installation, long installation period, large floor area and unsuitability for transition transportation. In addition, the mechanical compressor has narrow requirement on the range of the air inlet pressure, the pressure range of the mixed transmission medium is too wide, the pressure needs to be reduced to the range allowed by the compressor, and then the pressure is increased, so that the energy loss is serious; saturated water (liquid) in the gas has a destructive effect on the compressor, and the failure rate of the compressor is high.
At present, a well site mixed transportation process comprises the following steps: firstly, gas-liquid separation is carried out on a low-pressure mixed conveying medium, the separated liquid medium is stored in a liquid storage tank, the separated gas medium is filtered and then pressurized by a compressor, the pressurized high-pressure gas medium is discharged into the liquid storage tank, and the liquid medium is pushed out and discharged into a mixed conveying pipe network, so that gas-liquid mixed conveying is realized. The well site equipment mainly comprises a hydraulic compressor, a separator, a filter, a liquid storage tank and the like, and the well site equipment is few and the process is simpler. When the pressure of the mixed transmission medium is high, the hydraulic compressor is used, and the hydraulic compressor has the advantages of large discharge capacity, low energy consumption, low failure rate and the like; however, when the pressure of the wellhead mixed transmission medium is low, the discharge capacity of the hydraulic compressor is very low, the requirement of site working conditions cannot be met, if the discharge capacity requirement needs to be met, the size of equipment needs to be increased, the power of the equipment is improved, the energy consumption of the equipment is high, the manufacturing cost is very high, and the project operation benefit is low. In addition, when the compressed high-pressure gas pushes the liquid in the liquid storage tank, the separator at the front end still works, a large amount of liquid generated by the separator cannot be discharged, and if the liquid volume is large, the liquid is easy to overflow out of the separator and enter the compressor, so that the compressor is damaged.
Therefore, in view of the above-mentioned drawbacks, the present inventors have conducted extensive research and design to overcome the above-mentioned drawbacks by designing and developing a gas-liquid mixture transportation and pressurization device with a wire mesh demister in combination with experience and results of related industries for many years.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a gas-liquid mixed transportation supercharging device with a wire mesh demister and a method thereof. The device and the method can realize gas-liquid mixed transportation, have high integration level, good stability, wide application range and low manufacturing cost, are particularly suitable for gas-liquid mixed transportation and oil-gas recovery projects of oil-gas fields, and are convenient to install and move on site.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a gas-liquid thoughtlessly defeated supercharging device with silk screen demister, includes: the medium input port of the washing tank is connected with the mixed input port A, and the medium output port is connected with the mixed output port B; and a gas outlet of the washing tank is connected with a compressor, and an output port of the compressor is connected with a gas input port inside the device of the washing tank.
A gas-liquid mixed transportation pressurization method utilizing the device comprises the following steps:
and (3) inputting the medium into a washing tank for gas-liquid separation, pressurizing the separated gas medium, inputting the pressurized gas medium into the washing tank again, and then discharging the pressurized gas medium along with the liquid medium in the washing tank.
Therefore, the invention has the following advantages:
1. the mixed transportation process of separation, filtration and pressurization is adopted, and the liquid medium is discharged into the mixed transportation outlet through the pressurized high-pressure gas medium, so that equipment such as a liquid storage tank and an external transportation pump is omitted, the process is optimized, the faults are reduced, the energy consumption is reduced, the manufacturing cost is reduced, and the energy-saving and environment-friendly effects are achieved;
2. the gas-liquid separation part, the gas filtering part and the gas pressurization part are integrated into a pry, so that the equipment integration level is high, transportation and unified management are facilitated, the occupied area is saved, the construction period is shortened, and the construction cost is reduced;
3. the special requirements on the compressor are avoided, and the type of the compressor can be matched according to different types of mixed transmission media and working conditions on site;
4. the product has wide application range and low requirement on mixed transportation media, and is particularly suitable for gas-liquid mixed transportation and oil-gas recovery projects of oil-gas fields;
5. the two sets of washing tanks work in parallel, gas-liquid separation and gas-liquid discharge are carried out independently, the phenomenon of equipment failure and shutdown caused by overhigh liquid level or difficulty in separation of liquid media is avoided, the gas-liquid separation effect is better, and the safety and the stability of the equipment can be better guaranteed.
Drawings
FIG. 1 is a schematic diagram of the present invention;
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
In the figure, a first washing tank 1, a second washing tank 2, a filter 3, a compressor 4, a first check valve 11, a second check valve 12, a third check valve 13, a fourth check valve 14, a first pneumatic ball valve 21, a second pneumatic ball valve 22, a third pneumatic ball valve 23, a fourth pneumatic ball valve 24, a first safety valve 31, a second safety valve 32, a first liquid level sensor 41, a second liquid level sensor 42, a first wire mesh demister 51, a second wire mesh demister 52, an a mixed input port, and a B mixed output port are provided.
Example (b):
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, the present embodiment provides a technical solution: comprises a gas-liquid separation part, a gas filtering part and a gas pressurization part; the gas-liquid separation part is arranged at the front end of the gas filtering part and is communicated with the mixed transportation inlet A, the gas-liquid separation part performs gas-liquid separation on a medium at the mixed transportation inlet, the separated gas medium enters the gas filtering part, the separated liquid medium is stored in the separator, and the gas-liquid separation part is communicated with the mixed transportation outlet B; the gas filtering part is arranged at the rear end of the gas-liquid separating part, and an inlet of the gas filtering part is connected with the gas-liquid separating part to filter a separated gas medium; the gas pressurizing part is arranged at the rear end of the gas filtering part, the inlet of the gas pressurizing part is connected with the gas filtering part to pressurize the filtered gas medium, the outlet of the gas pressurizing part is connected with the gas-liquid separating part, the pressurized high-pressure gas medium enters the gas-liquid separating part and is discharged into the mixed delivery outlet B along with the stored liquid medium.
The gas-liquid separation part comprises a first washing tank 1 and a second washing tank 2 which are connected in parallel, a first liquid level sensor 41 and a first wire mesh demister 51 are arranged on the first washing tank 1, and a second safety valve 32, a second liquid level sensor 42 and a second wire mesh demister 52 are arranged on the second washing tank 2;
when the first washing tank 1 and the second washing tank 2 are in overpressure, the first safety valve 31 and the second safety valve 32 are automatically opened, and the pipeline is emptied and depressurized to ensure the safety of the tank body; the first liquid level sensor 41 and the second liquid level sensor 42 detect the liquid levels of liquid media stored in the first washing tank 1 and the second washing tank 2, and when the liquid level of the liquid media reaches a set liquid level high alarm value, the first pneumatic ball valve 21, the second pneumatic ball valve 22, the third pneumatic ball valve 23 and the fourth pneumatic ball valve 24 are controlled to be opened and closed, so that the first washing tank 1 and the second washing tank 2 automatically discharge liquid; the first wire mesh demister 51 separates liquid drops entrained in the gas medium, and reduces the gas content.
The first washing tank 1 and the second washing tank 2 work in parallel, one set of the washing tanks is used for gas-liquid separation of low-pressure mixed transmission media, the other set of the washing tanks is used for automatic discharge of high-pressure mixed transmission media, and the working modes can be automatically switched.
The filter 3 is internally provided with a filter element for filtering large particles in a gas medium, removing larger solid impurities in the gas medium and ensuring the safety of rear-end equipment.
The compressor 4 is not specifically required in structural form, and may be a hydraulic piston compressor, a mechanical piston compressor or other type of compressor, and may be a single-stage compressor or a multi-stage compressor.
Specifically, when the gas cleaning device is used, the first pneumatic ball valve 21 and the fourth pneumatic ball valve 24 are automatically opened, the second pneumatic ball valve 22 and the third pneumatic ball valve 23 are automatically closed, the low-pressure mixed transportation medium in the mixed transportation inlet a enters the first washing tank 1 through the first check valve 11 to perform gas-liquid two-phase separation, the liquid medium separated from the first washing tank 1 is stored at the bottom of the tank body, the gas medium separated from the first washing tank 1 passes through the first wire mesh demister 51 to remove entrained liquid droplets, then enters the filter 3 through the first pneumatic ball valve 21, the filter 3 filters large particles in the separated gas medium, the gas enters the compressor 4 after removing large solid impurities in the gas, the compressor 4 pressurizes the separated and filtered gas medium, and the pressurized gas medium enters the second washing tank 2 through the fourth pneumatic ball valve 24, the liquid medium stored in the second washing tank 2 is discharged into the mixed delivery outlet B through the fourth check valve 14 together with the high-pressure gas medium, so that a primary gas-liquid mixed delivery process is completed;
a first liquid level sensor 41 is arranged in the first washing tank 1, when a liquid medium stored in the first washing tank 1 reaches a set liquid level high alarm upper limit value, the first pneumatic ball valve 21 and the fourth pneumatic ball valve 24 are automatically closed, the second pneumatic ball valve 22 and the third pneumatic ball valve 23 are automatically opened, a low-pressure mixed conveying medium in the mixed conveying inlet A enters the second washing tank 2 through the third one-way valve 13 to perform gas-liquid two-phase separation, liquid separated from the second washing tank 2 is stored at the bottom of the tank body, a gas medium separated from the second washing tank 2 enters the filter 3 through the third pneumatic ball valve 23 after liquid drops mixed with the gas medium are removed through the second wire mesh demister 52, the filter 3 filters large particles in the separated gas medium, and the gas enters the compressor 4 after the large solid impurities are removed, the compressor 4 pressurizes the separated and filtered gas medium, the pressurized gas medium enters the first washing tank 1 through the second pneumatic ball valve 22, and the liquid medium stored in the first washing tank 1 is discharged into the mixed output port B through the second check valve 12 along with the high-pressure gas medium, so that a gas-liquid mixed output process is completed;
a second liquid level sensor 42 is arranged in the second washing tank 2, when the liquid medium stored in the second washing tank 2 reaches a set liquid level high alarm upper limit value, the second pneumatic ball valve 22, the third pneumatic ball valve 23 are automatically closed, the first pneumatic ball valve 21 and the fourth pneumatic ball valve 24 are automatically opened, and the low-pressure mixed conveying medium in the mixed conveying inlet A enters the first washing tank 1 through the third one-way valve 13 to be subjected to gas-liquid two-phase separation and circularly works according to the above.
Therefore, the invention has the advantages that:
1. the mixed transportation process of separation, filtration and pressurization is adopted, and the liquid medium is discharged into the mixed transportation outlet through the pressurized high-pressure gas medium, so that equipment such as a liquid storage tank and an external transportation pump is omitted, the process is optimized, the faults are reduced, the energy consumption is reduced, the manufacturing cost is reduced, and the energy-saving and environment-friendly effects are achieved;
2. the gas-liquid separation part, the gas filtering part and the gas pressurization part are integrated into a pry, so that the equipment integration level is high, transportation and unified management are facilitated, the occupied area is saved, the construction period is shortened, and the construction cost is reduced;
3. the special requirement on the compressor is avoided, and the type of the compressor can be matched according to different types of mixed transmission media on site;
4. the product has wide application range and low requirement on mixed transportation media, and is particularly suitable for gas-liquid mixed transportation and oil-gas recovery projects of oil-gas fields;
5. the two sets of washing tanks work in parallel, gas-liquid separation and gas-liquid discharge are carried out independently, the phenomenon of equipment failure and shutdown caused by overhigh liquid level or difficulty in separation of liquid media is avoided, the gas-liquid separation effect is better, and the safety and the stability of the equipment can be better guaranteed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the first wash tank 1, the second wash tank 2, the filter 3, the compressor 4, the first check valve 11, the second check valve 12, the third check valve 13, the fourth check valve 14, the first pneumatic ball valve 21, the second pneumatic ball valve 22, the third pneumatic ball valve 23, the fourth pneumatic ball valve 24, the first safety valve 31, the second safety valve 32, the first liquid level sensor 41, the second liquid level sensor 42, the first wire mesh demister 51, the second wire mesh demister 52, the a-mix feed port, the B-mix feed port, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. The utility model provides a gas-liquid thoughtlessly defeated supercharging device with silk screen demister which characterized in that includes: the medium input port of the washing tank is connected with the mixed input port A, and the medium output port is connected with the mixed output port B; a gas outlet inside the washing tank is connected with a compressor, and an output port of the compressor is connected with a gas input port inside the washing tank;
the wash tank includes: a first washing tank (1) and a second washing tank (2); wherein:
the medium input ports of the first washing tank (1) and the second washing tank (2) are connected with the mixed input port A, and the medium output port is connected with the mixed output port B;
the gas outlets of the first washing tank (1) and the second washing tank (2) are connected with a compressor (4), and the output port of the compressor (4) is connected with the gas input ports inside the first washing tank (1) and the second washing tank (2);
inputting the medium into one of the washing tanks for gas-liquid separation, pressurizing the separated gas medium, inputting the pressurized gas medium into the other washing tank, and then discharging the pressurized gas medium along with the liquid medium in the other washing tank;
when the liquid level in the washing tank for gas-liquid separation is detected to exceed the standard, the medium is input into the other washing tank for gas-liquid separation, and the separated gas medium is pressurized and then input into the washing tank with the liquid level exceeding the standard and is discharged along with the liquid medium; the first washing tank (1) is provided with a first liquid level sensor (41) and a first wire mesh demister (51), and the second washing tank (2) is provided with a safety valve, a second liquid level sensor (42) and a second wire mesh demister (52).
2. The gas-liquid mixture transportation and pressurization device with the wire mesh demister as claimed in claim 1, wherein the gas outlet of the washing tank is connected with the compressor (4) through the filter (3).
3. The gas-liquid mixture transportation and pressurization device with the wire mesh demister as claimed in claim 1, wherein a liquid level sensor is arranged in the washing tank.
4. The gas-liquid mixture transportation and pressurization device with the wire mesh demister as claimed in claim 1, wherein the wire mesh demister is arranged in the washing tank.
5. A method for pressurizing a self-circulating gas-liquid mixture by using the device of claim 1, which comprises the following steps:
connecting at least two washing tanks in parallel, inputting a medium into one washing tank for gas-liquid separation, pressurizing the separated gas medium, inputting the pressurized gas medium into the other washing tank, and then discharging the pressurized gas medium along with the liquid medium in the other washing tank;
when the liquid level in the washing tank for gas-liquid separation is detected to exceed the standard, the medium is input into the other washing tank for gas-liquid separation, and the separated gas medium is pressurized and then input into the washing tank with the liquid level exceeding the standard and is discharged along with the liquid medium.
6. The self-circulation gas-liquid mixed transportation pressurization method according to claim 5, characterized in that the separated gas is filtered and pressurized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811323807.3A CN109488882B (en) | 2016-10-08 | 2016-10-08 | Gas-liquid mixed transportation supercharging device with wire mesh demister and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811323807.3A CN109488882B (en) | 2016-10-08 | 2016-10-08 | Gas-liquid mixed transportation supercharging device with wire mesh demister and method |
| CN201610876743.4A CN106338004B (en) | 2016-10-08 | 2016-10-08 | A kind of circulating gas-liquid mixes defeated supercharging device and method |
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| CN201610876743.4A Division CN106338004B (en) | 2016-10-08 | 2016-10-08 | A kind of circulating gas-liquid mixes defeated supercharging device and method |
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| CN109488882A CN109488882A (en) | 2019-03-19 |
| CN109488882B true CN109488882B (en) | 2020-04-21 |
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| CN201610876743.4A Active CN106338004B (en) | 2016-10-08 | 2016-10-08 | A kind of circulating gas-liquid mixes defeated supercharging device and method |
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| CN109812701B (en) * | 2019-03-25 | 2024-01-23 | 智马（北京）油气设备有限公司 | Compression device for realizing gas-liquid mixed transportation system and gas-liquid mixed transportation method |
| CN113550730B (en) * | 2021-09-18 | 2021-12-17 | 胜利油田胜机石油装备有限公司 | Multiphase metering mixed transportation system and multiphase metering mixed transportation method |
| CN116518303B (en) * | 2023-05-12 | 2024-06-07 | 延安众邦源实业有限公司 | Gas-dominant multiphase supercharging device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106338004A (en) | 2017-01-18 |
| CN109488882A (en) | 2019-03-19 |
| CN106338004B (en) | 2019-01-22 |
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