CN204027650U - A kind of sensor for detection of oil water surface - Google Patents
A kind of sensor for detection of oil water surface Download PDFInfo
- Publication number
- CN204027650U CN204027650U CN201420402020.7U CN201420402020U CN204027650U CN 204027650 U CN204027650 U CN 204027650U CN 201420402020 U CN201420402020 U CN 201420402020U CN 204027650 U CN204027650 U CN 204027650U
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- China
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- sensor
- end cover
- oil
- copper post
- hollow copper
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Abstract
The utility model is specifically related to a kind of sensor for detection of oil water surface.What this sensor utilized profit specific inductive capacity differs greatly to pick out oil-water media.It can accurately detect oil water surface, for Petroleum Industry, has great social effect and economic implications, and efficiency is high, labour intensity is little, safe.The technical solution of the utility model comprises interior hollow copper post and external hollow copper post, capacitive transducer is two, be divided into upper sensor and lower sensor, upper sensor is provided with upper end cover, lower sensor is provided with bottom end cover, and the bottom of upper sensor is connected with intermediate end cover with the top of lower sensor; The outer wall of interior hollow copper post is as interior electrode; The inwall of external hollow copper post is as external electrode; Upper end cover, is connected and is fixedly connected with by four screws between intermediate end cover and bottom end cover.The centre of upper and lower end cap and intermediate end cover is equipped with crude oil gateway.
Description
Technical field
The utility model relates to capacitive transducer field, is specifically related to a kind of sensor for detection of oil water surface.
Background technology
In crude production process, from oil well, crude oil out of exploitation contains certain moisture, need to be transported to and in crude oil storage tank, carry out oil and water separation.Because oil is different with the proportion of water, the moisture in crude oil can be deposited in tank bottom, and oil can float over oil tank top, thereby has just formed oil water surface.In order to realize the Detection & Controling to oil/water detachment process, need carry out on-line measurement exactly to water-oil interface and separation degree thereof.Due to the complicacy of gun barrel Crude Oil and water termination, adopt traditional capacitive transducer to want to reach comparatively ideal accuracy of detection more difficult.Now, domestic a lot of oil fields still adopted the method for artificial scale to detect, and efficiency is low, labour intensity is large, the low while precision of security is also lower.Therefore for the production feature of domestic crude oil, the water-oil interface online detection instrument difference phase content capacitive transducer that development goes out to be applicable to apply in domestic crude oil separation accurately detects oil water surface, for Petroleum Industry, has great social effect and economic implications.
Summary of the invention
The utility model is in order to solve the weak point in above-mentioned background technology, a kind of sensor for detection of oil water surface is provided, can accurately detect oil water surface, for Petroleum Industry, have great social effect and economic implications, and efficiency is high, labour intensity is little, safe.
For achieving the above object, the technical scheme that the utility model is used is: a kind of sensor for detection of oil water surface, comprise interior hollow copper post and external hollow copper post, its special character is: described capacitive transducer is two, be divided into upper sensor and lower sensor, upper sensor is provided with upper end cover, and lower sensor is provided with bottom end cover, and the bottom of upper sensor is connected with intermediate end cover with the top of lower sensor; The outer wall of described interior hollow copper post is as interior electrode; The inwall of described external hollow copper post is as external electrode;
Filling material in the interior electrode of described top capacitive transducer takes density to be less than the material of crude oil, and the filling material in the interior electrode of described bottom capacitive transducer takes density to be greater than the material of water;
The centre of described upper and lower end cap and intermediate end cover is equipped with crude oil gateway.
Described upper end cover, is connected and is fixedly connected with by four screws between intermediate end cover and bottom end cover.
Described intermediate end cover is closely spliced and forms by upper and lower two end caps.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
What this sensor utilized profit specific inductive capacity differs greatly to pick out oil-water media.Its advantage both inherited capacitive transducer high precision, high resolving power, highly sensitive, to features such as adaptive capacity to environment are strong, structurally innovation ground adopts dual sensor combination, differential output signal again, convenient and detect exactly specific inductive capacity poor of upper and lower liquid, this is poor larger, illustrate that separation degree is higher, determined water-oil interface simultaneously; Conventional packing material makes it can automatically rest on water-oil interface in separation vessel.This is the incomparable superiority of other testing equipments.
accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cut-open view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is the structural representation of embodiment.
Accompanying drawing explanation: 1-upper end cover, 2-bottom end cover, 3-intermediate end cover, 4-external hollow copper post, hollow copper post in 5-, 6-screw, 7-crude oil gateway.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of sensor for detection of oil water surface, comprise capacitive transducer, capacitive transducer comprises interior hollow copper post 5 and external hollow copper post 4, and described capacitive transducer is two, be divided into upper sensor and lower sensor, upper sensor is provided with upper end cover 1, and lower sensor is provided with bottom end cover 2, and the bottom of upper sensor is all connected by intermediate end cover 3 with the top of lower sensor.Filling material in the interior electrode of described top capacitive transducer takes density to be less than the material of crude oil, such as air; Filling material in the interior electrode of described bottom capacitive transducer takes density to be greater than the material of water, such as lead; The centre of described upper and lower end cap and intermediate end cover 3 is equipped with crude oil gateway 7.Upper end cover 1, four screws 6 of intermediate end cover 3 and bottom end cover 2 use are fixedly connected with.
Use principle of the present utility model is: the basic functional principle of capacitive transducer is this characteristic that the variation based on tested dielectric Constant can be converted into electric capacitance change.Under certain condition is identical, allow the mixed oil liquid capacitive transducer of flowing through, the fluid of different qualities (phase content) is during as the intermediate medium of capacitor, and formed capacitance is inevitable different.Consider that measuring object is the fluid in loop, for easy to connect with fluid loop, the capacitive transducer in the utility model is made as concentric cylindrical according to conventional design method, and processing more for convenience, the outer wall of interior hollow copper post 5 is as interior electrode, and the inwall of external hollow copper post 4 is as external electrode.Fluid flows through between inside and outside hollow copper post (sensor the two poles of the earth), and the capacitance of cylindrical capacitance sensor has reflected the specific inductive capacity of fluid.
By the difference of the detected specific inductive capacity of upper and lower two capacitors, can know the degree of oil and water separation.One, when detecting, the difference of upper and lower specific inductive capacity is very large, and the fine oil water surface that formed of separated effect is described, has completed profit two and has been separated.Two, when detecting, the difference of upper and lower specific inductive capacity is very little, illustrates that sensor is at water layer or oil reservoir or emulsion layer, simultaneously profit two-phase not separation do not form oil water surface.Three, when detecting, the difference of upper and lower specific inductive capacity is little, illustrates that profit two-phase starts separation but do not form interphase clearly to continue separation.
As shown in Figure 4, intermediate end cover 3 can be spliced and combined and be formed by two parts, has facilitated dismounting and the maintenance of capacitive transducer.Identical with upper and lower end cap specification for the end cap splicing, crude oil is all installed in end cap center and imports and exports 7.
During use, the utility model is positioned in oil-water mixture, because the filling material density in interior electrode is different, therefore whole device can be suspended vertically on mixed liquor water-oil interface place.
Claims (3)
1. the sensor for detection of oil water surface, comprise capacitive transducer, capacitive transducer comprises interior hollow copper post (5) and external hollow copper post (4), it is characterized in that: described capacitive transducer is two, be divided into upper sensor and lower sensor, upper sensor is provided with upper end cover (1), and lower sensor is provided with bottom end cover (2), and the bottom of upper sensor is all connected by intermediate end cover (3) with the top of lower sensor; Filling material in the interior electrode of capacitive transducer takes density to be less than the material of crude oil, and the filling material in the interior electrode of described bottom capacitive transducer takes density to be greater than the material of water; The centre of described upper end cover (1) and bottom end cover (2) and intermediate end cover (3) is equipped with crude oil gateway (7).
2. a kind of sensor for detection of oil water surface according to claim 1, is characterized in that: described upper end cover (1), intermediate end cover (3) is fixedly connected with four screws (6) with bottom end cover (2).
3. a kind of sensor for detection of oil water surface according to claim 1 and 2, is characterized in that: described intermediate end cover (3) is comprised of upper and lower two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402020.7U CN204027650U (en) | 2014-07-21 | 2014-07-21 | A kind of sensor for detection of oil water surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402020.7U CN204027650U (en) | 2014-07-21 | 2014-07-21 | A kind of sensor for detection of oil water surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027650U true CN204027650U (en) | 2014-12-17 |
Family
ID=52067494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402020.7U Expired - Fee Related CN204027650U (en) | 2014-07-21 | 2014-07-21 | A kind of sensor for detection of oil water surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684744A (en) * | 2017-09-30 | 2018-02-13 | 陈勇 | A kind of automatic dewatering unit |
| CN113030200A (en) * | 2021-03-01 | 2021-06-25 | 深圳市先波科技有限公司 | Oil liquid detection device and detection method thereof |
-
2014
- 2014-07-21 CN CN201420402020.7U patent/CN204027650U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684744A (en) * | 2017-09-30 | 2018-02-13 | 陈勇 | A kind of automatic dewatering unit |
| CN113030200A (en) * | 2021-03-01 | 2021-06-25 | 深圳市先波科技有限公司 | Oil liquid detection device and detection method thereof |
| CN113030200B (en) * | 2021-03-01 | 2023-11-21 | 深圳市先波科技有限公司 | Oil liquid detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150721 |
|
| EXPY | Termination of patent right or utility model |