CN113267539B - Probe for capacitance type crude oil water-containing analyzer - Google Patents
Probe for capacitance type crude oil water-containing analyzer Download PDFInfo
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- CN113267539B CN113267539B CN202110434165.XA CN202110434165A CN113267539B CN 113267539 B CN113267539 B CN 113267539B CN 202110434165 A CN202110434165 A CN 202110434165A CN 113267539 B CN113267539 B CN 113267539B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention relates to the technical field of petroleum detection equipment, and discloses a probe for a capacitance type crude oil water-containing analyzer. This probe for capacitive crude oil moisture analyzer is "eight" word structure through the measuring tank for equipment is at rotatory in-process, the crude oil that unscrews from between rotary vane one and the rotary vane two strikes measuring tank surface, guarantee that measuring tank's surface can not adhere too thick impurity, can not influence the precision that positive electrode plate and negative electrode plate detected crude oil electric capacity, guarantee that equipment detects accurately, and through the contact normal running fit of fixed cover and probe cover, make the probe cover in the rotation in-process, can utilize measuring tank's dog-ear department, strike off the surface of positive electrode plate and negative electrode plate, prevent that positive electrode plate and negative electrode plate surface adhesion from having impurity, guarantee the precision that positive electrode plate and negative electrode plate detected crude oil electric capacity, guarantee that equipment detects accurately.
Description
Technical Field
The invention relates to the technical field of petroleum detection equipment, in particular to a probe for a capacitance type crude oil water-containing analyzer.
Background
In the field of oil fields, a capacitance type online water meter is used for continuously detecting the water content of petroleum, a coaxial capacitor is generally adopted for measurement, the water content in a medium is measured according to the difference of dielectric constants of oil-water mixtures, generally, the dielectric constant of water is eighty one, the dielectric constant of anhydrous crude oil is one point eight, and the equivalent dielectric constants of crude oil with different water contents can be greatly changed due to the difference of the dielectric constants, so that the capacitance between electrodes is changed under the condition that the size and the shape of electrodes are unchanged, and the water content of the crude oil can be calculated through the change of the capacitance.
The probe part of the existing crude oil water-containing analyzer is placed in an oil pipe for measuring flowing crude oil, crude oil just extracted is sticky, more impurities are easy to adhere to the surface of an electrode, in the continuous detection process, the capacitance change detected by an electrode plate is greatly influenced by the adhesive on the surface of the electrode, so that measurement error is large, and calculated water content error is large.
Disclosure of Invention
The invention provides a probe for a capacitance type crude oil water-containing analyzer, which has the advantage of more accurate long-time continuous detection precision, and solves the problem that the probe is easy to scab and affects the detection precision.
The invention provides the following technical scheme: the utility model provides a probe for capacitive crude oil water analyzer, includes oil pipe, the upper portion fixed mounting of oil pipe has the platform apron, the lower fixed surface of platform apron installs the electric joint, one side fixed mounting of electric joint has fixed cover, the internal surface fixed mounting of fixed cover one side has the carousel, one side of fixed cover and with carousel fixed mounting have the probe cover, first flow channel has been seted up at the middle part of probe cover, the inside of probe cover and the outer lane that is located first flow channel have been seted up the second flow channel, the vertical part fixed mounting of first flow channel has the first rotary vane, the vertical part fixed mounting of second flow channel has the spiral She Er, the measuring tank has been seted up to the inside outer lane of fixed cover, the oil outlet has been seted up to the outer lane of probe cover, the first rotary vane has positive with the middle part fixed mounting of spiral She Erwai surface electrode plate, negative electrode plate has been seted up to the internal surface of probe cover outer lane.
Preferably, the probe sleeve is divided into two layers, the C-shaped protruding part of the fixed sleeve is sleeved, the interval between the measuring groove and the oil outlet is the same, and the interval between the first rotating blade and the She Er rotating blade are matched with the measuring groove.
Preferably, the oil outlet holes are divided into two rows which are matched with the vertical holes of the first flow groove and the second flow groove, the positions of the two rows of oil outlet holes are staggered, and the first rotary vane is staggered with the second rotary vane She Erwei.
Preferably, the measuring groove has an eight-shaped structure.
Preferably, the fixing sleeve is in contact rotation with the probe sleeve.
The invention has the following beneficial effects:
1. this probe for capacitive crude oil moisture analyzer is "eight" word structure through the measuring tank for equipment is at rotatory in-process, the crude oil that unscrews from between rotary vane one and the rotary vane two strikes measuring tank surface, guarantee that measuring tank's surface can not adhere too thick impurity, can not influence the precision that positive electrode plate and negative electrode plate detected crude oil electric capacity, guarantee that equipment detects accurately, and through the contact normal running fit of fixed cover and probe cover, make the probe cover in the rotation in-process, can utilize measuring tank's dog-ear department, strike off the surface of positive electrode plate and negative electrode plate, prevent that positive electrode plate and negative electrode plate surface adhesion from having impurity, guarantee the precision that positive electrode plate and negative electrode plate detected crude oil electric capacity, guarantee that equipment detects accurately.
2. This probe for capacitive crude oil water-containing analyzer, divide into two through the oil outlet and cooperate with the vertical hole in first flow groove and second flow groove, two are listed as oil outlet position is crisscross, and rotatory leaf is crisscross with rotatory She Erwei for when the crude oil that flows in the first flow groove can be discharged through the oil outlet, take the probe cover to rotate, the positive electrode plate on the rotatory She Er cooperatees with the measuring groove this moment, cooperates with the negative electrode plate of probe cover inner surface, measures the electric capacity to the measuring inslot crude oil of centre gripping, and then calculates the moisture content of crude oil, and rotatory leaf detects with rotatory She Er is crisscross, guarantees that the probe cover is continuous rotation, and then guarantees that whole is continuous detection.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the front view of the probe cover of the present invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view of the structure of FIG. 1A-A in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1 at B-B in accordance with the present invention.
In the figure: 1. an oil pipe; 2. a platform cover plate; 3. an electrical connector; 4. a fixed sleeve; 5. a turntable; 6. a probe cover; 7. a first flow channel; 8. a second flow channel; 9. a first rotary blade; 10. spin She Er; 11. a measuring tank; 12. an oil outlet hole; 13. a positive electrode plate; 14. a negative electrode plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a probe for a capacitance type crude oil water analyzer includes an oil pipe 1, a platform cover plate 2 is fixedly installed at the upper part of the oil pipe 1, an electric joint 3 is fixedly installed at the lower surface of the platform cover plate 2, a fixing sleeve 4 is fixedly installed at one side of the electric joint 3, a turntable 5 is fixedly installed at the inner surface of one side of the fixing sleeve 4, a probe sleeve 6 is fixedly installed at one side of the fixing sleeve 4 and the turntable 5, a first flow groove 7 is formed in the middle of the probe sleeve 6, a second flow groove 8 is formed in the inner part of the probe sleeve 6 and located on the outer ring of the first flow groove 7, a rotary vane one 9 is fixedly installed at the vertical part of the first flow groove 7, a rotary screw She Er 10 is fixedly installed at the vertical part of the second flow groove 8, a measuring groove 11 is formed in the outer ring of the fixing sleeve 4, an oil outlet 12 is formed in the outer ring of the probe sleeve 6, a positive electrode plate 13 is fixedly installed at the middle of the outer surface of the rotary vane one 9 and the rotary screw She Er, and a negative electrode plate 14 is formed in the inner surface of the outer ring of the probe sleeve 6.
The probe sleeve 6 is divided into two layers, the C-shaped protruding part of the fixed sleeve 4 is sleeved, the interval between the measuring groove 11 and the oil outlet 12 is the same, the interval between the first rotary vane 9 and the interval between the second rotary vane 10 are matched with the measuring groove 11, crude oil flowing in the oil pipe 1 is impacted into the first flow groove 7 and the second flow groove 8 through the matching of the probe sleeve 6 and the fixed sleeve 4, the crude oil impacts with the first rotary vane 9 and the rotary She Er 10 to drive the whole probe sleeve 6 to rotate, the crude oil can flow out from the measuring groove 11 and the oil outlet 12, when the measuring groove 11 and the oil outlet 12 are staggered, the positive electrode plate 13 is matched with the measuring groove 11, crude oil can be reserved in the measuring groove 11, and the positive electrode plate 13 is matched with the negative electrode plate 14, so that the water content of the crude oil in the measuring groove 11 can be measured.
The oil outlet 12 is divided into two rows and is matched with vertical holes of the first flow groove 7 and the second flow groove 8, the positions of the two oil holes 12 are staggered, the first rotary vane 9 and the second rotary vane 10 are staggered, and when crude oil flowing in the first flow groove 7 can be discharged through the oil outlet 12 through the staggered arrangement of the first rotary vane 12 and the staggered arrangement of the second rotary vane 9 and the second rotary vane 10, the probe sleeve 6 is carried to rotate, at the moment, the positive electrode plate 13 on the second rotary vane 10 is matched with the measuring groove 11 and is matched with the negative electrode plate 14 on the inner surface of the outer ring of the probe sleeve 6, the capacitance is measured on the crude oil in the clamped measuring groove 11, the water content of the crude oil is calculated, the first rotary vane 9 and the second rotary vane She Er are staggered to be detected, the probe sleeve 6 is ensured to continuously rotate, and the whole body is ensured to be continuously detected.
Wherein, measuring tank 11 is "eight" word structure, through the shape setting of measuring tank 11 for equipment is at rotatory in-process, and the crude oil of unscrewing from between rotary vane one 9 and rotary vane two 10 strikes measuring tank 11 surface, guarantees that measuring tank 11's surface can not adhere too thick impurity, can not influence positive electrode plate 13 and negative electrode plate 14 and detect the precision of crude oil electric capacity, guarantees that equipment detects accurately.
Wherein, fixed cover 4 rotates with probe cover 6 contact, through the contact cooperation of fixed cover 4 and probe cover 6 for probe cover 6 is in the rotation in-process, can utilize the dog-ear department of measuring tank 11, scrapes the surface of positive electrode plate 13 and negative electrode plate 14, prevents that positive electrode plate 13 and negative electrode plate 14 surface from adhering to have impurity, guarantees positive electrode plate 13 and negative electrode plate 14 and detects the precision of crude oil electric capacity, guarantees that equipment detects accurately.
The working principle of the petroleum detection probe of the invention is as follows:
the electric joint 3 is arranged in the oil pipe 1 through the platform cover plate 2, crude oil passes through the second flow groove 8 and is firstly communicated with the measuring groove 11 and the oil outlet 12, the crude oil enters the first flow groove 7 and the second flow groove 8, crude oil entering the second flow groove 8 is impacted and screwed She Er to drive the probe sleeve 6 to rotate, the crude oil is discharged from the oil outlet 12 through the measuring groove 11, after the crude oil rotates, the measuring groove 11 is blocked up and down, the positive electrode plate 13 and the negative electrode plate 14 are in contact with the crude oil in the measuring groove 11, the capacitance can be detected, when the measuring groove 11 is blocked by the screwing She Er 10, the crude oil flowing in the first flow groove 7 can flow out from the oil outlet 12 to drive the probe sleeve 6 to rotate, and after the crude oil passes through the first flow groove 7 in the vertical direction, the positive electrode plate 13 is matched with the measuring groove 11 and the negative electrode plate 14 to detect the crude oil passing through the first flow groove 7, and the water content of the crude oil can be calculated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a probe for capacitive crude oil water-containing analyzer, includes oil pipe (1), its characterized in that: the upper part of the oil pipe (1) is fixedly provided with a platform cover plate (2), the lower surface of the platform cover plate (2) is fixedly provided with an electric connector (3), one side of the electric connector (3) is fixedly provided with a fixed sleeve (4), the inner surface of one side of the fixed sleeve (4) is fixedly provided with a rotary table (5), one side of the fixed sleeve (4) and the rotary table (5) are fixedly provided with a probe sleeve (6), the middle part of the probe sleeve (6) is provided with a first flow groove (7), the inner part of the probe sleeve (6) and the outer ring positioned in the first flow groove (7) are provided with a second flow groove (8), the vertical part of the first flow groove (7) is fixedly provided with a rotary vane one (9), the vertical part of the second flow groove (8) is fixedly provided with a rotary She Er (10), the outer ring of the inner part of the fixed sleeve (4) is provided with a measuring groove (11), the outer ring of the probe sleeve (6) is provided with an oil outlet (12), the inner part of the rotary vane one (9) and the outer ring (10) is provided with a second flow groove (12), the two electrode plates (12) are arranged in a staggered way, the two electrode plates (12) are arranged in the vertical part of the electrode plate (7) and the two flow grooves (12), the first rotary blade (9) and the rotary blade She Er (10) are staggered in position, the measuring groove (11) is of an eight-shaped structure, and the fixed sleeve (4) is in contact rotation with the probe sleeve (6).
2. The probe for a capacitive crude oil aqueous analyzer according to claim 1, characterized in that: the probe sleeve (6) is divided into two layers, the C-shaped protruding part of the fixed sleeve (4) is sleeved, the interval between the measuring groove (11) and the oil outlet (12) is the same, and the interval between the rotary vane I (9) and the interval between the rotary screw She Er (10) are matched with the measuring groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434165.XA CN113267539B (en) | 2021-04-22 | 2021-04-22 | Probe for capacitance type crude oil water-containing analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434165.XA CN113267539B (en) | 2021-04-22 | 2021-04-22 | Probe for capacitance type crude oil water-containing analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113267539A CN113267539A (en) | 2021-08-17 |
| CN113267539B true CN113267539B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110434165.XA Active CN113267539B (en) | 2021-04-22 | 2021-04-22 | Probe for capacitance type crude oil water-containing analyzer |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB785068A (en) * | 1955-05-12 | 1957-10-23 | Shell Res Ltd | Improvements in or relating to electric measuring and testing apparatus |
| CN2248874Y (en) * | 1994-09-29 | 1997-03-05 | 水利部能源部地质勘探机电研究所 | Sensor for sensing water content mixed in oil |
| US6690568B2 (en) * | 2000-06-20 | 2004-02-10 | Tokyo Electron Limited | Fluid dielectric variable capacitor |
| JP2002122410A (en) * | 2000-09-25 | 2002-04-26 | Bicc General Pyrotenax Cables Ltd | Capacitance type probe |
| CN108181357B (en) * | 2018-01-30 | 2020-09-15 | 天津大学 | Vertical rotational flow split-phase capacitance integrated water content measuring device |
| CN108562337A (en) * | 2018-03-22 | 2018-09-21 | 天津大学 | Wet gas measurement system based on differential pressure Yu eddy flow split-phase capacitor moisture sensor |
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2021
- 2021-04-22 CN CN202110434165.XA patent/CN113267539B/en active Active
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Effective date of registration: 20230403 Address after: 300450 No. 133, Jizhao Road, Dagang Development Zone, Binhai New Area, Tianjin Applicant after: TIANJIN ZHENGFANG TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 510000 room 404, No. 10, Huanghua Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: Feng Zhijing |
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