CN105301056A - Electrical conductivity type moisture content measurement device - Google Patents
Electrical conductivity type moisture content measurement device Download PDFInfo
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- CN105301056A CN105301056A CN201510765014.7A CN201510765014A CN105301056A CN 105301056 A CN105301056 A CN 105301056A CN 201510765014 A CN201510765014 A CN 201510765014A CN 105301056 A CN105301056 A CN 105301056A
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Abstract
The invention provides an electrical conductivity type moisture content measurement device. An inner tube is arranged in a shell, a controller and a display connected with the controller through a wire are arranged outside the shell, the inner tube is internally provided with two incentive electrode rings and two measurement electrode rings, the two incentive electrode rings are located between the two measurement electrode rings, the measurement electrode rings and the incentive electrode rings are connected with the controller through wires, ultrasonic transducers are arranged at the positions, opposite to the measurement electrode rings and the incentive electrode rings, at the outer bottom of the shell, and the ultrasonic transducers are connected with an ultrasonic signal generator through wires. According to the electrical conductivity type moisture content measurement device, an ultrasonic-based electrical conductivity type electrode is adopted for preventing adhesion, the moisture content measurement accuracy is improved, and the electrical conductivity type moisture content measurement device has the advantages of being simple in structure, low in cost, high in quality and high in accuracy.
Description
Technical field
The invention belongs to measurement mechanism or equipment technical field, be specifically related to the device measuring water percentage in oil.
Background technology
Along with informationization and the robotization of petroleum industry, oilfield exploitation also enters the high-moisture percentage even ultra-high water-containing rate stage in succession, in order to the production status of each payzone can be understood and grasped in time to carry out pressure break or water blockoff to subsurface reservoir, make oil well be in normal or best production status and finally reach the object improving oil development efficiency and improve oil recovering efficiency, so the measurement of water ratio of crude oil just becomes very urgent, and in the fields of measurement of crude oil water content, with regard to current national situations, conductance method is measured in occupation of leading position, and this technology can more and more come into one's own.
The measuring principle of conductance method mainly relies on the two pairs of electrode retaining collars be pre-installed in pipeline, is reached the object measuring crude oil water content by the mixed phase conductivity between potential electrode ring.Electrode retaining collar is because long-term work is in crude oil environment, its surface gradually can bond by the sediment in oil crystal and crude oil, this just makes measurement effect have a greatly reduced quality, thus badly influence oil extraction, what adopt is the electrode anti-stick process of artificial mechanism formula due at present main, this method is generally used in off-line shut-down mode, and off-line shut-down removing dung is normally stopped work in unscheduled shutdown, device local or carries out under equipment switching condition, not only affect production, unscheduled costs can be increased simultaneously and easily cause equipment attrition.Owing to affecting by anti-stick technology is incomplete, often cause and the blindness of electrode retaining collar is dismantled and scrapped, lack science, thus cause the huge waste of man power and material.
Summary of the invention
Technical matters to be solved by this invention is the deficiency overcoming existing moisture percentage measuring apparatus, provides a kind of reasonable in design, structure is simple, cost is low, work efficiency is high conductance type moisture percentage measuring apparatus.
Solving the problems of the technologies described above adopted technical scheme is: be provided with interior pipe in the enclosure, housing exterior is provided with controller and the display that is connected with controller by wire, 2 excitation electric polar rings and 2 potential electrode rings are provided with in interior pipe, 2 excitation electric polar rings are between 2 potential electrode rings, potential electrode ring is connected with controller by wire with excitation electric polar ring, outer bottom potential electrode ring at shell) and the right position of excitation electric polar ring be provided with ultrasonic transducer, ultrasonic transducer is connected with ultrasonic signal generator by wire.
Distance between 2 excitation electric polar rings of the present invention is 50 ~ 150mm, and the distance between 2 described potential electrode rings is 100 ~ 200mm.
Potential electrode ring of the present invention and excitation electric polar ring are silver-plated copper ring.
Interior pipe of the present invention is glass reinforced plastic pipe.
The ultrasonic frequency of ultrasonic generator of the present invention is 80 ~ 120KHz, power is 500W.
2 excitation electric polar rings of the present invention are parallel to each other, and 2 described potential electrode rings are parallel to each other.
Potential electrode ring of the present invention and excitation electric polar ring are parallel to each other.
Potential electrode Ring current distribution line of the present invention and exciting electrode Ring current distribution line overlap with the center line of interior pipe.
The present invention adopts and prevents the bonding accuracy that improve measurement of water ratio based on hyperacoustic conductance type electrode, has the advantage that structure is simple, low cost, quality are high, precision is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail, but the invention is not restricted to following embodiment.
Embodiment 1
In FIG, the conductance type moisture percentage measuring apparatus of the present embodiment is connected and composed by shell 1, interior pipe 2, controller 3, display 4, potential electrode ring 5, ultrasonic generator 6, excitation electric polar ring 7, ultrasonic transducer 8.
In the inside of shell 1, interior pipe 2 is installed, interior pipe 2 is glass reinforced plastic pipe, interior pipe 2 inwall is embedded with 2 potential electrode rings 5 be parallel to each other, pipe 2 inwall is embedded with 2 excitation electric polar rings 7 be parallel to each other between 2 potential electrode rings 5, the center line of the center line of 2 potential electrode rings 5 and 2 excitation electric polar rings 7 overlaps with the center line of interior pipe 2, distance between two potential electrode rings 5 is 150mm, distance between 2 excitation electric polar rings 7 is 100mm, potential electrode ring 5 and excitation electric polar ring 7 are silver-plated copper ring, electric field is formed between excitation electric polar ring 7 and potential electrode ring 5 after energising, position corresponding to the outer bottom potential electrode ring 5 of shell 1 and excitation electric polar ring 7 is installed with ultrasonic transducer 8, ultrasonic transducer 8 is connected with ultrasonic generator 6 by wire, the power of ultrasonic generator 6 is 500W, ultrasonic frequency is 100KHz, ultrasonic generator 6 adopts mode of frequency regulation that electric signal is input to ultrasonic transducer 8, ultrasonic transducer 8 utilizes piezoelectric effect that the electric signal accepting is converted to ultrasonic signal, utilize hyperacoustic cavitation, activation, the effects such as shearing and suppression, make oil crystal shortening induction period of excitation electric polar ring 7 and potential electrode ring 5 surface and surrounding, the brilliant dirty core of quick generation, thus make the depositions settle in crude oil on the dirty core of crystalline substance, continue to float in crude oil, reach the effect of electrode anti-stick, the top screw threads for fastening web member of shell 1 is fixedly connected with controller 3 and display 4, the model of controller 3 is DSP, the input end of controller 3 is connected with excitation electric polar ring 7 with potential electrode ring 5 by wire, the output terminal of controller 3 is connected with display 4 by wire, controller 3 is provided with network management interface, for the transmission of late time data.
Embodiment 2
In the present embodiment, the inside of shell 1 is provided with interior pipe 2, interior pipe 2 is glass reinforced plastic pipe, interior pipe 2 inwall is embedded with 2 potential electrode rings 5 be parallel to each other, pipe 2 inwall is embedded with 2 excitation electric polar rings 7 be parallel to each other between 2 potential electrode rings 5, the center line of the center line of 2 potential electrode rings 5 and 2 excitation electric polar rings 7 overlaps with the center line of interior pipe 2, distance between two potential electrode rings 5 is 100mm, distance between 2 excitation electric polar rings 7 is 50mm, potential electrode ring 5 and excitation electric polar ring 7 are silver-plated copper ring, position corresponding to the outer bottom potential electrode ring 5 of shell 1 and excitation electric polar ring 7 is installed with ultrasonic transducer 8, ultrasonic transducer 8 is connected with ultrasonic generator 6 by wire, the power of ultrasonic generator 6 is 500W, ultrasonic frequency is 80KHz.The annexation of other parts and parts is identical with embodiment 1.
Embodiment 3
In the present embodiment, the inside of shell 1 is provided with interior pipe 2, interior pipe 2 is glass reinforced plastic pipe, interior pipe 2 inwall is embedded with 2 potential electrode rings 5 be parallel to each other, pipe 2 inwall is embedded with 2 excitation electric polar rings 7 be parallel to each other between 2 potential electrode rings 5, the center line of the center line of 2 potential electrode rings 5 and 2 excitation electric polar rings 7 overlaps with the center line of interior pipe 2, distance between two potential electrode rings 5 is 200mm, distance between 2 excitation electric polar rings 7 is 150mm, potential electrode ring 5 and excitation electric polar ring 7 are silver-plated copper ring, position corresponding to the outer bottom potential electrode ring 5 of shell 1 and excitation electric polar ring 7 is installed with ultrasonic transducer 8, ultrasonic transducer 8 is connected with ultrasonic generator 6 by wire, the power of ultrasonic generator 6 is 500W, ultrasonic frequency is 120KHz.The annexation of other parts and parts is identical with embodiment 1.
Principle of work of the present invention is as follows:
During measurement, the two ends screw threads for fastening web member of pipe in the present invention 2 is fixedly connected on oil main pipeline, and switch on power to the present invention, under the effect of additional driving source, when flow in pipeline only have water time, the electric field of meeting formation rule between excitation electric polar ring 7 and potential electrode ring 5, work as oil, gas, when water three-phase fluid-mixing flows through excitation electric polar ring 7 and potential electrode ring 5, because the electric conductivity of oil phase and gas phase is very poor, poor conductor can be considered as, oil vacuole in fluid-mixing, bubble is all stochastic distribution, make the electric field of original distribution rule between excitation electric polar ring 7 and potential electrode ring 5 that irregular torsional deformation occur, this irregular deformation can cause the electromotive force on potential electrode ring 5 that corresponding irregular change also occurs, the output signal of potential electrode ring 5 is also rendered as a series of irregular signal of making an uproar, this irregular signal of making an uproar carries the water percentage of oil gas water three phase fluid-mixing just, the signal of the flowing informations such as space distribution, the signal of making an uproar that controller 3 pairs of potential electrode rings 5 export carries out treatment and analysis, show fuel-displaced by display 4, gas, the parameters such as the water percentage of water three-phase flow.Ultrasonic generator 6 adopts mode of frequency regulation that electric signal is input to ultrasonic transducer 8, ultrasonic transducer 8 utilizes piezoelectric effect that the electric signal accepting is converted to ultrasonic signal, utilize the effects such as hyperacoustic cavitation, activation, shearing and suppression, make oil crystal shortening induction period of excitation electric polar ring 7 and potential electrode ring 5 surface and surrounding, the brilliant dirty core of quick generation, thus make the depositions settle in crude oil on the dirty core of crystalline substance, continue to float in crude oil, reach the effect of electrode anti-stick, thus improve the degree of accuracy of measurement of water ratio.
Claims (8)
1. a conductance type moisture percentage measuring apparatus, it is characterized in that: in shell (1), be provided with interior pipe (2), the display (4) that shell (1) outer setting is had controller (3) and is connected with controller (3) by wire, 2 excitation electric polar rings (7) and 2 potential electrode rings (5) are provided with in interior pipe (2), 2 excitation electric polar rings (7) are positioned between 2 potential electrode rings (5), potential electrode ring (5) is connected with controller (3) by wire with excitation electric polar ring (7), the outer bottom potential electrode ring (5) of shell (1) and the right position of excitation electric polar ring (7) are provided with ultrasonic transducer (8), ultrasonic transducer (8) is connected with ultrasonic generator (6) by wire.
2. conductance type moisture percentage measuring apparatus according to claim 1, it is characterized in that: the distance between 2 described excitation electric polar rings (7) is 50 ~ 150mm, the distance between 2 described potential electrode rings (5) is 100 ~ 200mm.
3. conductance type moisture percentage measuring apparatus according to claim 1 and 2, is characterized in that: described potential electrode ring (5) and excitation electric polar ring (7) are silver-plated copper ring.
4. conductance type moisture percentage measuring apparatus according to claim 1, is characterized in that: described interior pipe (2) is glass reinforced plastic pipe.
5. conductance type moisture percentage measuring apparatus according to claim 1, is characterized in that: the ultrasonic frequency of described ultrasonic generator (6) is 80 ~ 120KHz, power is 500W.
6. conductance type moisture percentage measuring apparatus according to claim 1 and 2, is characterized in that: 2 described excitation electric polar rings (7) are parallel to each other, and 2 described potential electrode rings (5) are parallel to each other.
7. conductance type moisture percentage measuring apparatus according to claim 3, is characterized in that: described potential electrode ring (5) and excitation electric polar ring (7) are parallel to each other.
8. conductance type moisture percentage measuring apparatus according to claim 7, is characterized in that: the center line of described potential electrode ring (5) and the center line of excitation electric polar ring (7) overlap with the center line of interior pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510765014.7A CN105301056B (en) | 2015-11-11 | 2015-11-11 | Conductance type moisture percentage measuring apparatus |
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| CN201510765014.7A CN105301056B (en) | 2015-11-11 | 2015-11-11 | Conductance type moisture percentage measuring apparatus |
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| CN105301056A true CN105301056A (en) | 2016-02-03 |
| CN105301056B CN105301056B (en) | 2019-01-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108828029A (en) * | 2018-08-14 | 2018-11-16 | 天津大学 | Moisture percentage measuring apparatus based on plug-in capacitance sensor |
| CN109282846A (en) * | 2017-07-19 | 2019-01-29 | 乔治费希尔图章有限责任公司 | Combined type ultrasonic temperature and conductivity sensors device assembly |
| CN109540975A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of crude oil water content measurement method based on conductance method |
| CN110243886A (en) * | 2019-07-09 | 2019-09-17 | 邓博洋 | A kind of low yield gas well mouth of oil well hydrated comples ion method based on nonlinear characteristic |
| CN112551648A (en) * | 2020-11-23 | 2021-03-26 | 重庆合弘欣环保科技有限公司 | Electrochemistry water treatment facilities convenient to adjust electrode spacing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108828029A (en) * | 2018-08-14 | 2018-11-16 | 天津大学 | Moisture percentage measuring apparatus based on plug-in capacitance sensor |
| CN108828029B (en) * | 2018-08-14 | 2020-10-23 | 天津大学 | Moisture content measuring device based on plug-in capacitive sensor |
| CN109540975A (en) * | 2019-01-21 | 2019-03-29 | 哈尔滨理工大学 | A kind of crude oil water content measurement method based on conductance method |
| CN110243886A (en) * | 2019-07-09 | 2019-09-17 | 邓博洋 | A kind of low yield gas well mouth of oil well hydrated comples ion method based on nonlinear characteristic |
| CN112551648A (en) * | 2020-11-23 | 2021-03-26 | 重庆合弘欣环保科技有限公司 | Electrochemistry water treatment facilities convenient to adjust electrode spacing |
| CN112551648B (en) * | 2020-11-23 | 2022-07-26 | 重庆合弘欣环保科技有限公司 | Electrochemistry water treatment facilities convenient to adjust electrode spacing |
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