CN107376429A - A kind of method and apparatus of adaptive variable-flow crude oil deaeration - Google Patents
A kind of method and apparatus of adaptive variable-flow crude oil deaeration Download PDFInfo
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- CN107376429A CN107376429A CN201710661552.0A CN201710661552A CN107376429A CN 107376429 A CN107376429 A CN 107376429A CN 201710661552 A CN201710661552 A CN 201710661552A CN 107376429 A CN107376429 A CN 107376429A
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- Prior art keywords
- crude oil
- flow
- liquid
- deaeration
- main flow
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0036—Flash degasification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
- B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/10—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for with the aid of centrifugal force
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
Abstract
The present invention relates to a kind of adaptive variable-flow crude oil deaeration method and apparatus.A kind of adaptive variable-flow crude oil deaeration device includes housing, main flow separating pipe and the shunting separating pipe being distributed in around it, and the shunting separating pipe is connected by isocon with main flow separating pipe；The present invention to main flow separating pipe and shunting separating pipe by carrying out special combination, adaptively entrance oil flow it can fluctuate, during for changes in flow rate, by the special construction for making spigot, back taper and isocon in main flow separator, the shunting separating pipe moment is under the working condition of permission, it ensure that and efficiently carried out into the crude oil deaeration in shunting separating pipe, realize rapidly and efficiently degassing function, liquid level automatic regulation function, reduce upstream device pressure, it is simple in construction and easy for installation, floor space can be effectively reduced, compensate for the deficiencies in the prior art.
Description
Technical field
The present invention relates to gas-liquid separation equipment field, more particularly to oil gas production equipment technical field, one is specifically related to
The method and apparatus of the adaptive variable-flow crude oil deaeration of kind.
Background technology
The crude oil that oil mining goes out before crude oil exporting, need to carry out desanding, take off rich in plurality of impurities such as gas, liquid, solid
The links such as gas, dehydration, carrying out two-phase or the physical technique of three phase separation at present mainly has gravitational settling, cyclonic separation, coalesced
The methods of filter, UF membrane.For gravitational settling, gas, liquid, solid phase material can be separated, but it is long and right to separate required time
Each component content fluctuates larger operating mode and can not adapted to very well in oil extraction, causes the situation of fluctuation of service to happen occasionally；
Coalescence filtration is separated by permeability, and accommodation is narrower, while the problem of service life is short be present, same UF membrane
The problems such as not growing, easily block in the presence of easy pollution, service life；Cyclone separation process is applied to the quick removal containing a large amount of (oil) water
Process, but for some specific cyclone, it is necessary to playing a role of could stablizing under certain inlet flow rate is operated in,
With certain limitation.
Patent：CN201610704875.9 discloses a kind of gravity sedimentation type gas-liquid separating method, the patent combination gravity
The method of separation and UF membrane carries out Oil-gas Separation, and its shortcoming is that equipment size is larger, and processing time is longer；Patent：
200880102068.3 disclose a kind of membrane separating method and membrane separation device, when carrying out membrane separation to processed water,
Can reduce in processed water absorption of the contained fouling membrane material on film surface, its shortcoming be film easily block, service life it is short.
Therefore need using the method and apparatus pair that cost is low, moreover efficient crude oil deaeration is exchanged work in easy to operate, adaptation
Current technology optimizes.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of adaptive variable-flow crude oil efficient degassing
Method and apparatus, specific technical scheme are as follows：
A kind of adaptive variable-flow crude oil deaeration device, including tank body, main flow pipe and the multiple pressures being distributed in around it
Power gradient deaeration pipe, it is characterised in that each barometric gradient deaeration pipe is provided with multiple tangential entries；
The tank body is cylindrical shape or square tube shape, and its bottom is provided with solid-phase outlet, is set in its bottom bottom sidewall
There is liquid-phase outlet, gaseous phase outlet is provided with the top of it, bottom is provided with liquid to be treated entrance wherein, axially position
It is provided with liquid level gauge；
The main flow pipe is arranged on tank body centre position, is provided with its porch and makes spigot, set at it close to end
Main flow back taper is equipped with, its barrel surrounding is provided with the tangential outlet of at least one row；
The barometric gradient deaeration pipe is arranged on main flow pipe surrounding, and a row tangential entry is axially provided with wall,
Its bottom is provided with back taper and liquid-solid phase outlet, and gaseous phase outlet is provided with the top of it, and erosion control gear cup is provided with outside gaseous phase outlet.
Present invention also offers a kind of method of adaptive variable-flow crude oil efficient degassing, comprise the following steps：
(1) crude oil enters main flow pipe 4 by equipment entrance 1 by connecting pipe；
(2) set in main flow pipe porch and make spigot 2, crude oil rotation number after making spigot is 1.3~5；
(3) crude oil that rotation number is 1.3~5 in step (2) is by being distributed in cutting for barometric gradient degassing tube axis direction
Enter barometric gradient deaeration pipe 10 to entrance, former oil dissolved gas removes step by step under barometric gradient effect, and the gas of removing is through pressure
Power gradient deaeration pipe gas vent 9 is discharged, and the liquid phase containing solid is discharged into tank body through barometric gradient deaeration pipe liquid-phase outlet；
(4) delivery flow of gas phase and liquid phase in step (5) is controlled by fluid level controller.
The beneficial effects of the present invention are：
(1) use adaptive variable-flow degasser, multistage inlet and outlet can adapt to because flowed fluctuation and caused by liquid
Rotary speed is too high or too low, maintains the stabilization of degassing efficiency, the flowed fluctuation being particularly adapted to during oil extraction, reduces
Impact to downstream equipment equipment, rapidly and efficiently deaerate function, automatic liquid surface control function are realized, reduce upstream device pressure,
It is simple in construction and easy for installation, floor space can be effectively reduced, compensate for the deficiencies in the prior art.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram of embodiment 1；
Fig. 2 is barometric gradient deaeration pipe tangential entry schematic diagram；
Fig. 3 is the combination schematic diagram of main flow pipe and barometric gradient deaeration pipe；Wherein, (a) is barometric gradient deaeration pipe
Tangential entry is the connected mode schematic diagram of combination clockwise, and (b) is that barometric gradient deaeration pipe tangential entry is inverse
The connected mode schematic diagram of clockwise combination；
Symbol description：
1 equipment entrance；2 make spigot；3 main flow pipe back tapers；4 main flow pipes；
5 barometric gradient deaeration pipe gaseous phase outlets；6 equipment gaseous phase outlets；7 erosion controls keep off cup；8 barometric gradient deaeration pipes tangentially enter
Mouthful；9 barometric gradient deaeration pipe gaseous phase outlets；10 barometric gradient deaeration pipes；11 fluid level controllers；12 barometric gradient deaeration pipes fall
Cone；13 barometric gradient deaeration pipe liquid-phase outlets；14 equipment liquid-phase outlets；15 equipment solid-phase outlets；16 tank bodies.
Embodiment
Below, the present invention is specifically described by embodiment.It is necessarily pointed out that following examples are only used
In the invention will be further described, it is impossible to be interpreted as limiting the scope of the invention, professional and technical personnel in the field
Some the nonessential modifications and adaptations made according to present disclosure, still fall within protection scope of the present invention.
Embodiment 1
Present inventor is by extensive and found after in-depth study, for most economical during oil extraction, most
Effective degassing method is centrifuged using eddy flow.Based on research, separator inlet shape and position, physical dimension, etc. all
The scope of application and separation accuracy of separator are influenceed, and the change of flow can cause entrance velocity to change, and then influence separation effect
Fruit, separating effect is realized it can thus be appreciated that wanting to centrifuge using eddy flow in the case of changes in flow rate, must just be become with flow
Change the quantity for increasing or decreasing separator, to ensure separator work under rational operating mode, but pass through in real work
It is not a simple thing to change separator quantity.Found based on more than, the present invention is accomplished.
As shown in figure 1, it mainly includes：1 equipment entrance；2 make spigot；3 main flow pipe back tapers；4 masters
Flow tube；5 barometric gradient deaeration pipe gaseous phase outlets；6 equipment gaseous phase outlets；7 prevent washing upside down cup；8 pressures
Power gradient deaeration pipe tangential entry；9 barometric gradient deaeration pipe gaseous phase outlets；10 barometric gradient deaeration pipes；
11 fluid level controllers；12 barometric gradient deaeration pipe back tapers；13 barometric gradient deaeration pipe liquid-phase outlets；
14 equipment liquid-phase outlets；15 equipment solid-phase outlets；16 tank bodies.
Void fraction is fluctuated in 5~20% scopes, flow is in 80~140m3The crude oil fluctuated in the range of/h is by equipment entrance 1
Enter main flow pipe 4 by connecting pipe；Set in main flow separating pipe porch and make spigot 2, crude oil rotation number after making spigot
For 1.3~5, entered by barometric gradient deaeration pipe tangential entry in barometric gradient deaeration pipe, the gas under barometric gradient effect
Remove step by step, the gas of removing is discharged through barometric gradient deaeration pipe gaseous phase outlet 8, containing solid liquid phase through barometric gradient deaeration pipe pipe liquid
Mutually outlet discharge, now gas removal rate is not less than 96% in crude oil.
During for changes in flow rate, by the spy for making spigot, back taper and barometric gradient deaeration pipe tangential entry in main flow pipe
Different structure, the liquid phase rotation number in barometric gradient deaeration pipe is 2~6, is realized surely into the crude oil in barometric gradient deaeration pipe
Fixed efficient degassing.
The gas phase and liquid phase isolated are entered in tank body after being discharged from separator, and last gas phase goes out through equipment gas phase
Mouth 6 is discharged, and liquid phase is discharged through equipment liquid-phase outlet 13, and solid phase is discharged through equipment solid-phase outlet 14；The discharge stream of gas phase and liquid phase
Amount is controlled by fluid level controller, and rate of discharge is steady.
After this equipment, gas removal rate is more than 99% in crude oil, solids removal rate 99.9%.
As shown in Fig. 2 being barometric gradient deaeration pipe schematic diagram, wherein N1, N2, N3, N4 are single pressure ladder in embodiment 1
Spend deaeration pipe tangential entry schematic diagram.
As shown in figure 3, wherein, (a) is to shunt the connected mode schematic diagram that distributor is combination clockwise, (b)
It is to shunt the connected mode schematic diagram that distributor is counterclockwise combination.
Claims (7)
1. a kind of adaptive variable-flow crude oil deaeration device, it is characterised in that including tank body, main flow pipe and be distributed in around it
Multiple barometric gradient deaeration pipes, it is characterised in that each barometric gradient deaeration pipe is provided with multiple tangential entries；
The tank body is cylindrical shape or square tube shape, and its bottom is provided with solid-phase outlet, and its bottom bottom sidewall is provided with liquid
Mutually export, gaseous phase outlet is provided with the top of it, bottom is provided with liquid to be treated entrance wherein, and axially position is set
There is liquid level gauge；
The main flow pipe is arranged on tank body centre position, is provided with its porch and makes spigot, is provided with it close to end
Main flow back taper, its barrel surrounding is provided with the tangential outlet of at least one row；
The barometric gradient deaeration pipe is arranged on main flow pipe surrounding, a row tangential entry is axially provided with wall, at its bottom
Portion is provided with back taper and liquid-solid phase outlet, and gaseous phase outlet is provided with the top of it, and erosion control gear cup is provided with outside gaseous phase outlet.
2. a kind of adaptive variable-flow crude oil deaeration device as claimed in claim 1, it is characterised in that described to make during spigot is
Between cylinder and its surrounding guide vane composition or guide vane is placed on main flow back taper, the guide vane helical angle has
15 °~20 °, 20 °~40 °, 40 °~60 ° three kinds of specifications, its rotation direction is left or right rotation.
3. a kind of adaptive variable-flow crude oil deaeration device as claimed in claim 1, it is characterised in that the back taper cone angle is
45 °~60 °.
4. a kind of adaptive variable-flow crude oil deaeration device as claimed in claim 1, it is characterised in that each column tangentially goes out
Mouth sets multistage from main flow bottom of the tube to top, and the tangential inlet sets multistage from barometric gradient degassing bottom of the tube to top,
Described every grade tangential outlet and tangential inlet are sequentially communicated by connecting tube, and tangential export direction is with making spigot guide vane rotation direction one
Cause, tangential inlet direction is clockwise or counterclockwise.
5. a kind of adaptive variable-flow crude oil deaeration method, its step is that pending crude oil liquid is entered after pump pressurizes by device
Mouthful enter, enter main flow pipe through entrance connecting tube after, pending liquid is making at spigot after guide vane beginning in main flow pipe
Interior high speed rotation rises, and then passes through tangential outlets at different levels and tangential inlet is entered in barometric gradient deaeration pipe, in centrifugal force
With gas-liquid separation under Action of Gravity Field, the gas after separation has gas vent discharge, and the liquid after separation is discharged by liquid-phase outlet, few
The solid of amount is discharged through solid-phase outlet.
A kind of 6. adaptive variable-flow crude oil deaeration method as claimed in claim 5, it is characterised in that the guide vane production
The ratio between raw high speed rotating liquid circumferential speed and axial velocity are 1.5~4.
7. a kind of adaptive variable-flow crude oil deaeration method as claimed in claim 5, it is characterised in that described every grade tangentially enters
Oral fluid rate of flow of fluid is 2.6m/s~4.4m/s, 4.4m/s~6.7m/s, 6.7m/s~9.3m/s, corresponds to three kinds of guide vanes respectively
Helical angle and tri- kinds of 0.01MPa~0.05MPa, 0.05MPa~0.1MPa, 0.1MPa~0.3MPa pressure drops.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661552.0A CN107376429B (en) | 2017-08-04 | 2017-08-04 | Method and device for degassing crude oil with self-adaptive variable flow |
| PCT/CN2018/098505 WO2019024916A1 (en) | 2017-08-04 | 2018-08-03 | Self-adaptive variable-flow crude oil degassing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661552.0A CN107376429B (en) | 2017-08-04 | 2017-08-04 | Method and device for degassing crude oil with self-adaptive variable flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107376429A true CN107376429A (en) | 2017-11-24 |
| CN107376429B CN107376429B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710661552.0A Active CN107376429B (en) | 2017-08-04 | 2017-08-04 | Method and device for degassing crude oil with self-adaptive variable flow |
Country Status (2)
| Country | Link |
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| CN (1) | CN107376429B (en) |
| WO (1) | WO2019024916A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654147A (en) * | 2018-08-28 | 2018-10-16 | 湖南大三湘茶油股份有限公司 | Edible oil froth breaker |
| WO2019024916A1 (en) * | 2017-08-04 | 2019-02-07 | 上海米素环保科技有限公司 | Self-adaptive variable-flow crude oil degassing method and device |
| CN111408488A (en) * | 2020-04-02 | 2020-07-14 | 华东理工大学 | Main and auxiliary cavity coupling type self-adaptive cyclone centrifugal degassing method and device |
| CN112387013A (en) * | 2020-11-17 | 2021-02-23 | 华东理工大学 | Self-adaptive multiphase integrated separation device and method |
| CN114191851A (en) * | 2021-11-12 | 2022-03-18 | 沈阳航天新光集团有限公司 | Oil-gas separation device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115853497B (en) * | 2023-02-21 | 2023-05-16 | 东营合瑞石油技术有限责任公司 | Oil well gas-liquid separation variable metering device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019024916A1 (en) | 2019-02-07 |
| CN107376429B (en) | 2022-08-02 |
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