CN112927594A - Teaching is with natural deoiling experimental apparatus - Google Patents

Teaching is with natural deoiling experimental apparatus Download PDF

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Publication number
CN112927594A
CN112927594A CN202110138311.4A CN202110138311A CN112927594A CN 112927594 A CN112927594 A CN 112927594A CN 202110138311 A CN202110138311 A CN 202110138311A CN 112927594 A CN112927594 A CN 112927594A
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China
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oil
water
tank
natural
natural oil
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CN202110138311.4A
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Chinese (zh)
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寇杰
李�浩
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China University of Petroleum East China
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China University of Petroleum East China
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes

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  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The invention provides a natural oil removal experimental device for teaching, which belongs to the technical field of oil removal experimental teaching tools.A natural oil remover, a water tank, an oil tank, a water pump, an oil pump and a sewage tank are arranged on a bearing platform; the water pump pumps water phase, the oil pump pumps oil phase and enters the natural oil remover through the mixer; and the water separated by the natural oil remover enters the water tank after passing through a third flow meter, the oil separated by the natural oil remover enters the oil tank after passing through a fourth flow meter, and the natural oil remover is communicated with the sewage tank through an inverted U-shaped overflow pipe. The oil-water mixed phase natural oil-removing test device is simple and reasonable in structure and convenient to operate, can conveniently and quickly complete a natural oil-removing test of an oil-water mixed phase to form a circulating system, can repeatedly perform oil-removing test operation, and can be used for multiple times without adding a new oil phase and a new water phase; the main barrel body, the central reaction barrel and the central column tube are made of transparent materials, so that the internal oil-water separation process is convenient to observe, the process principle can be mastered more accurately, the separation effect is obvious, and the oil-water separation efficiency can be calculated accurately.

Description

Teaching is with natural deoiling experimental apparatus
Technical Field
The invention relates to the technical field of oil removal test teaching aids, in particular to a natural oil removal experimental device for teaching, which is simple and reasonable in structure and convenient to use.
Background
Oil and gas gathering and transportation is the most basic necessary course of the origin and specialty of the high petroleum colleges and universities, wherein the oil-containing sewage treatment is important. To accurately master the sewage treatment process, learning of the treatment process and treatment equipment is indispensable. The principle diagram of the natural oil removal tank for sewage treatment in textbooks is too simple and greatly different from the actual production equipment, so that students can hardly understand the principle of sewage treatment, professional practice can only see the appearance of the treatment equipment, and the process and equipment multi-working-condition intuitive learning is lacked. Therefore, it is necessary to design a visual experimental teaching device to enable students to know the internal structure, the work flow, the operation mode and the like of the sewage treatment equipment more accurately, and a solid foundation is laid for the subsequent study.
Disclosure of Invention
The invention aims to provide a natural oil removal experimental device for teaching, which has a simple and reasonable structure, is convenient to operate and can accurately calculate the oil-water separation efficiency, so as to solve at least one technical problem in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a teaching natural oil removal experimental device, which comprises:
a load-bearing platform; a natural oil remover, a water tank, an oil tank, a water pump, an oil pump and a sewage tank are arranged on the bearing platform;
the water pump pumps water phase in the water tank to enter a mixer after passing through a first flow meter, the oil pump pumps oil phase in the oil tank to enter the mixer after passing through a second flow meter, and an outlet of the mixer is communicated with the natural oil remover;
and the water separated by the natural oil remover enters the water tank after passing through a third flow meter, the oil separated by the natural oil remover enters the oil tank after passing through a fourth flow meter, and the natural oil remover is communicated with the sewage tank through an inverted U-shaped overflow pipe.
Preferably, the natural oil remover comprises a main cylinder, a central column pipe is arranged at the center of the inner bottom of the main cylinder, and a central reaction cylinder is sleeved at the upper part of the central column pipe;
the lower part of the central column pipe is communicated with a plurality of water collecting pipes which are distributed around the central column pipe in a radial shape, and the upper part of the central reaction cylinder is communicated with a plurality of liquid distributing pipes which are distributed around the central reaction cylinder in a radial shape;
the upper part of the inner wall of the main cylinder body is provided with an annular oil collecting groove, and the upper part of the main cylinder body is communicated with the inverted U-shaped overflow pipe.
Preferably, the water collecting pipe and the liquid distributing pipe are provided with a plurality of horn-shaped through holes with downward openings.
Preferably, the upper part of the central column pipe is communicated with the water tank through a water outlet pipe, and the oil collecting tank is communicated with the oil tank through an oil outlet pipe.
Preferably, the water pump is communicated with the mixer through a water inlet pipe, the oil pump is communicated with the mixer through an oil inlet pipe, and the mixer is communicated with the central reaction cylinder through a liquid inlet pipe.
Preferably, the first flowmeter is arranged on the water inlet pipe, the second flowmeter is arranged on the oil inlet pipe, the third flowmeter is arranged on the water outlet pipe, and the fourth flowmeter is arranged on the oil outlet pipe.
Preferably, the water inlet pipe, the oil inlet pipe, the water outlet pipe, the oil outlet pipe and the inverted U-shaped overflow pipe are all provided with valves.
Preferably, the bearing platform comprises a lower bearing plate and an upper bearing plate, a support column is fixed on the upper surface of the lower bearing plate, and the upper bearing plate is fixed on the top of the support column;
the natural oil remover is mounted on the upper bearing plate, and the water tank, the oil tank, the water pump, the oil pump and the sewage tank are mounted on the lower bearing plate.
Preferably, the bottom of the lower bearing plate is provided with a self-locking universal wheel.
Preferably, the main cylinder, the central column tube and the central reaction cylinder are all made of transparent materials.
The invention has the beneficial effects that: the oil-water mixed phase natural oil-removing test device has the advantages of simple and reasonable structure, convenience in operation, capability of conveniently and quickly completing a natural oil-removing test of an oil-water mixed phase to form a circulating system, capability of repeatedly performing oil-removing test operation, capability of being used for multiple times without adding new oil phase and water phase, and long service life; the main barrel body, the central reaction barrel and the central column tube are made of transparent materials, a user can clearly observe the internal oil-water separation process, the process principle can be mastered more accurately, the separation effect is obvious, and the oil-water separation efficiency can be calculated accurately.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view structural diagram of a natural oil removal experimental apparatus for teaching according to an embodiment of the present invention.
Fig. 2 is a top view structural diagram of a natural oil removal experimental apparatus for teaching according to an embodiment of the present invention.
Fig. 3 is a side view structural diagram of the natural oil removal experimental apparatus for teaching according to the embodiment of the present invention.
Wherein: 1-natural oil remover; 2-a water tank; 3-an oil tank; 4-a water pump; 5-an oil pump; 6-a first flow meter; 7-a mixer; 8-a second flow meter; 9-a third flow meter; 10-a fourth flow meter; 11-a main cylinder; 12-a central column tube; 13-a central reaction cartridge; 14-a water collecting pipe; 15-liquid distribution pipe; 16-an oil sump; 17-inverted U-shaped overflow tube; 18-a sewage tank; 19-water outlet pipe; 20-an oil outlet pipe; 21-water inlet pipe; 22-an oil inlet pipe; 23-a liquid inlet pipe; 24-a valve; 25-a lower carrier plate; 26-an upper carrier plate; 27-a support column; 28-self-locking universal wheel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by way of the drawings are illustrative only and are not to be construed as limiting the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present specification, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present specification, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present technology.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "disposed" are intended to be inclusive and mean, for example, that they may be fixedly coupled or disposed, or that they may be removably coupled or disposed, or that they may be integrally coupled or disposed. The specific meaning of the above terms in the present technology can be understood by those of ordinary skill in the art as appropriate.
For the purpose of facilitating an understanding of the present invention, the present invention will be further explained by way of specific embodiments with reference to the accompanying drawings, which are not intended to limit the present invention.
It should be understood by those skilled in the art that the drawings are merely schematic representations of embodiments and that the elements shown in the drawings are not necessarily required to practice the invention.
Examples
As shown in fig. 1 to 3, an embodiment of the present invention provides a natural oil removal experimental apparatus for teaching, including: a load-bearing platform; the bearing platform is provided with a natural oil remover 1, a water tank 2, an oil tank 3, a water pump 4, an oil pump 5 and a sewage tank 18.
An inlet pipeline of the water pump 4 is communicated with the water tank 2, the water pump 4 is started, and water in the water tank 2 can be pumped to enter the natural oil remover 1. An inlet pipeline of the oil pump 5 is communicated with the oil tank 3, the oil pump 5 is started, and oil in the oil tank 3 can be drawn into the natural oil remover 1. The body fluid overflowed by the natural degreaser 1 can flow into the waste water tank 18.
The water pump 4 pumps the water phase in the water tank 2 through the first flow meter 6 and then enters the mixer 7, and the flow of the pumped water can be measured through the first flow meter 6. The oil pump 5 pumps the oil phase in the oil tank 3 into the mixer 7 after passing through the second flow meter 8, and the flow rate of the pumped oil can be measured through the second flow meter 8. The outlet of the mixer 7 is communicated with the natural oil remover 1, and water pumped by the water pump and oil pumped by the oil pump are mixed by the mixer 7 and then enter the natural oil remover 1.
The water separated by the natural oil remover 1 enters the water tank 2 after passing through a third flow meter 9, and the third flow meter 9 can measure the flow of the water separated by the oil remover. The oil separated by the natural oil remover 1 enters the oil tank 3 after passing through a fourth flowmeter 10, and the fourth flowmeter 10 can measure the flow rate of the oil separated by the oil remover 1. If the water inflow and oil inflow are greater than the water discharge and oil discharge, the liquid level in the degreaser rises, and when the liquid level exceeds the height of the inverted U-shaped overflow pipe 17, the excess liquid flows into the sewage tank 18 through the inverted U-shaped overflow pipe 17.
The natural oil remover 1 comprises a main cylinder body 11, a central column tube 12 is arranged at the center of the inner bottom of the main cylinder body 11, and a central reaction cylinder 13 is sleeved on the upper portion of the central column tube 12.
The lower part of the central column tube 12 is communicated with a plurality of water collecting tubes 14 which are distributed around the central column tube 12 in a radial manner, and the upper part of the central reaction cylinder 13 is communicated with a plurality of liquid distributing tubes 15 which are distributed around the central reaction cylinder 13 in a radial manner.
The upper part of the inner wall of the main cylinder body 11 is provided with an annular oil collecting groove 16, and the upper part of the main cylinder body 11 is communicated with the inverted U-shaped overflow pipe 17. The water collecting pipe 14 and the liquid distributing pipe 15 are provided with a plurality of horn-shaped through holes with downward openings.
The upper part of the central column tube 12 is communicated with the water tank 2 through a water outlet pipe 19, and the oil collecting tank 16 is communicated with the oil tank 3 through an oil outlet pipe 20. The water pump 4 is communicated with the mixer 7 through a water inlet pipe 21, the oil pump 5 is communicated with the mixer 7 through an oil inlet pipe 22, and the mixer 7 is communicated with the central reaction cylinder 13 through a liquid inlet pipe 23.
The first flowmeter 6 is arranged on the water inlet pipe 21, the second flowmeter 8 is arranged on the oil inlet pipe 22, the third flowmeter 9 is arranged on the water outlet pipe 19, and the fourth flowmeter 10 is arranged on the oil outlet pipe 20.
The water inlet pipe 21, the oil inlet pipe 22, the water outlet pipe 19, the oil outlet pipe 20 and the inverted U-shaped overflow pipe 17 are all provided with valves 24.
The bearing platform comprises a lower bearing plate 25 and an upper bearing plate 26, a support column 27 is fixed on the upper surface of the lower bearing plate 25, and the upper bearing plate 26 is fixed on the top of the support column 27; the natural oil eliminator 1 is installed on the upper bearing plate 26, and the water tank 2, the oil tank 3, the water pump 4, the oil pump 5, and the sewage tank 18 are all installed on the lower bearing plate 25.
The bottom of the lower bearing plate 25 is provided with a self-locking universal wheel 28, so that the whole device can be moved and placed conveniently.
The main cylinder 11, the central column tube 12 and the central reaction cylinder 13 are all made of transparent materials. For example, transparent plexiglass may be used.
In practical application, the materials for manufacturing the main cylinder 11, the central column tube 12 and the central reaction cylinder 13 are not limited by the above-mentioned organic glass, and those skilled in the art can select other transparent materials according to specific practical situations.
This implementation when small-size experimental system opens, water pump 4 and oil pump 5 take water and oil out through the pipeline respectively, through inlet tube 21 with advance oil pipe 22 outflow pump, get into blender 7, after mixing, 7 mix after the central reaction section of thick bamboo 13 that sends into the nature deoiling jar through feed liquor pipe 23, the raw water flows into in the jar through the downward horn hole of liquid distribution pipe 15, under the action of gravity, the great oil grain of particle diameter floats to the oil reservoir in the raw water, the less oil grain of particle diameter flows down along with water, constantly collide the coalescence into big oil drop and come-up with the oil drop of aquatic come-up with higher speed, get into the oil reservoir.
The crude oil separated from the oil removing tank overflows into the oil collecting tank 16 and flows into the oil tank 3 through the oil outlet pipe 20, and the purified water is collected by the downward bell-mouthed hole on the water collecting pipe 14, enters the central column pipe 12 and flows into the water tank 2 through the water outlet pipe 19. When the flow of the raw water is larger than the sum of the water outlet flow and the oil outlet flow of the tank, the liquid level in the tank rises. When the liquid level submerges the top of the inverted U-shaped overflow pipe 17 and continues to rise, the excess sewage flows into the sewage tank 18 through the overflow pipe, and the tank overflow accident is avoided.
According to the inlet tube, advance the flowmeter that is equipped with on the oil pipe and calculate raw water oil content, get deoiling back water sample from the outlet pipe, accessible spectrophotometer etc. detects oil content, can calculate the deoiling efficiency of natural deoiling experimental apparatus.
In conclusion, the natural oil removal test device for teaching provided by the embodiment of the invention has the advantages of simple and reasonable structure, convenience in operation, capability of conveniently and quickly completing a natural oil removal test of an oil-water mixed phase to form a circulating system, capability of repeatedly performing oil removal test operation, capability of being used for multiple times without adding new oil phase and water phase, and long service life; the user can be comparatively clear observe inside oil water separating process, can be more accurate master technology principle, and the separation effect is obvious, can accurately calculate oil water separating efficiency.
The materials of main barrel, central reaction cylinder and central column pipe are transparent materials, can be comparatively clear see the internal structure who removes the oil tank, and each pipeline all is furnished with governing valve and flowmeter to accurate measurement and regulation liquid flow size, whole natural oil removal jar system installation is equipped with the laboratory bench of universal wheel, is convenient for remove in the laboratory and settle. The device enriches experimental teaching links, can improve interest and enthusiasm of students' study, enables the students to know the internal structure and the working principle of the natural oil removal tank more accurately, and lays a solid foundation for the subsequent study.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to the specific embodiments shown in the drawings, it is not intended to limit the scope of the present disclosure, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive faculty based on the technical solutions disclosed in the present disclosure.

Claims (10)

1. The utility model provides a teaching is with natural deoiling experimental apparatus which characterized in that includes:
a load-bearing platform; a natural oil remover (1), a water tank (2), an oil tank (3), a water pump (4), an oil pump (5) and a sewage tank (18) are arranged on the bearing platform;
the water pump (4) pumps the water phase in the water tank (2) and enters a mixer (7) after passing through a first flowmeter (6), the oil pump (5) pumps the oil phase in the oil tank (3) and enters the mixer (7) after passing through a second flowmeter (8), and an outlet of the mixer (7) is communicated with the natural oil remover (1);
and the water separated by the natural oil remover (1) enters the water tank (2) after passing through a third flowmeter (9), the oil separated by the natural oil remover (1) enters the oil tank (3) after passing through a fourth flowmeter (10), and the natural oil remover (1) is communicated with the sewage tank (18) through an inverted U-shaped overflow pipe (17).
2. The natural oil removal experimental device for teaching of claim 1, characterized in that:
the natural oil remover (1) comprises a main cylinder body (11), a central column tube (12) is arranged at the center of the inner bottom of the main cylinder body (11), and a central reaction cylinder (13) is sleeved at the upper part of the central column tube (12);
the lower part of the central column pipe (12) is communicated with a plurality of water collecting pipes (14) which are radially distributed around the central column pipe (12), and the upper part of the central reaction cylinder (13) is communicated with a plurality of liquid distributing pipes (15) which are radially distributed around the central reaction cylinder (13);
the upper portion of the inner wall of the main cylinder body (11) is provided with an annular oil collecting groove (16), and the upper portion of the main cylinder body (11) is communicated with the inverted U-shaped overflow pipe (17).
3. The natural oil removal experimental device for teaching of claim 2, characterized in that:
the water collecting pipe (14) and the liquid distributing pipe (15) are provided with a plurality of horn-shaped through holes with downward openings.
4. The natural oil removal experimental device for teaching of claim 2, characterized in that:
the upper part of the central column pipe (12) is communicated with the water tank (2) through a water outlet pipe (19), and the oil collecting tank (16) is communicated with the oil tank (3) through an oil outlet pipe (20).
5. The teaching natural oil removal experimental device according to claim 4, characterized in that:
the water pump (4) is communicated with the mixer (7) through a water inlet pipe (21), the oil pump (5) is communicated with the mixer (7) through an oil inlet pipe (22), and the mixer (7) is communicated with the central reaction cylinder (13) through a liquid inlet pipe (23).
6. The teaching natural oil removal experimental device according to claim 5, characterized in that:
the first flowmeter (6) is arranged on the water inlet pipe (21), the second flowmeter (11) is arranged on the oil inlet pipe (22), the third flowmeter (9) is arranged on the water outlet pipe (19), and the fourth flowmeter (10) is arranged on the oil outlet pipe (20).
7. The teaching natural oil removal experimental device according to claim 6, characterized in that:
the water inlet pipe (21), the oil inlet pipe (22), the water outlet pipe (19), the oil outlet pipe (20) and the inverted U-shaped overflow pipe (17) are all provided with valves (24).
8. A natural oil removal experimental device for teaching according to any one of claims 1 to 7, characterized in that:
the bearing platform comprises a lower bearing plate (25) and an upper bearing plate (26), a support column (27) is fixed on the upper surface of the lower bearing plate (25), and the upper bearing plate (26) is fixed on the top of the support column (27);
the natural oil remover (1) is mounted on the upper bearing plate (26), and the water tank (2), the oil tank (3), the water pump (4), the oil pump (5) and the sewage tank (18) are mounted on the lower bearing plate (25).
9. The natural oil removal experimental device for teaching of claim 8, characterized in that:
and the bottom of the lower bearing plate (25) is provided with a self-locking universal wheel (28).
10. The oil-water-gas three-phase separation test device for teaching of claim 8, wherein: the main cylinder body (11), the central column tube (12) and the central reaction cylinder (13) are all made of transparent materials.
CN202110138311.4A 2021-02-01 2021-02-01 Teaching is with natural deoiling experimental apparatus Pending CN112927594A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113506506A (en) * 2021-07-15 2021-10-15 中国石油大学(华东) Gravity dehydration experiment teaching device and method

Citations (6)

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Publication number Priority date Publication date Assignee Title
WO2011121619A1 (en) * 2010-03-29 2011-10-06 Abb S.P.A. Water treatment process for oil and gas fields produced water
CN102284196A (en) * 2011-06-13 2011-12-21 三一重工股份有限公司 Drainage device, draining method and oil water separator for oil and water separation
CN204113282U (en) * 2014-09-11 2015-01-21 西安石油大学 A kind of multi-functional pit shaft oil gas water multiphase analogue experiment installation
CN108862468A (en) * 2018-06-25 2018-11-23 哈尔滨工程大学 A kind of oil-water separation test device by gravity reflux
CN211310940U (en) * 2019-08-09 2020-08-21 江苏卓清环保科技有限公司 Coagulation oil removing tank
CN111638156A (en) * 2019-12-23 2020-09-08 中国石油天然气股份有限公司 Wall sticking test device and wall sticking test method for gas-dissolved oil-water mixed liquid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011121619A1 (en) * 2010-03-29 2011-10-06 Abb S.P.A. Water treatment process for oil and gas fields produced water
CN102284196A (en) * 2011-06-13 2011-12-21 三一重工股份有限公司 Drainage device, draining method and oil water separator for oil and water separation
CN204113282U (en) * 2014-09-11 2015-01-21 西安石油大学 A kind of multi-functional pit shaft oil gas water multiphase analogue experiment installation
CN108862468A (en) * 2018-06-25 2018-11-23 哈尔滨工程大学 A kind of oil-water separation test device by gravity reflux
CN211310940U (en) * 2019-08-09 2020-08-21 江苏卓清环保科技有限公司 Coagulation oil removing tank
CN111638156A (en) * 2019-12-23 2020-09-08 中国石油天然气股份有限公司 Wall sticking test device and wall sticking test method for gas-dissolved oil-water mixed liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113506506A (en) * 2021-07-15 2021-10-15 中国石油大学(华东) Gravity dehydration experiment teaching device and method

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