CN113223395A - Small-size dynamic electric dehydration experiment teaching device - Google Patents
Small-size dynamic electric dehydration experiment teaching device Download PDFInfo
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- CN113223395A CN113223395A CN202110518270.1A CN202110518270A CN113223395A CN 113223395 A CN113223395 A CN 113223395A CN 202110518270 A CN202110518270 A CN 202110518270A CN 113223395 A CN113223395 A CN 113223395A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention relates to a small dynamic electric dehydration experiment teaching device, which comprises an electric dehydrator fixed at the top of a bracket, wherein the electric dehydrator is connected with an oil pump inlet fixed on the bracket through an oil outlet pipe; the electric dehydrator is connected with a water pump inlet fixed on the bracket through a water outlet pipe at the bottom, and a water pump outlet is connected with a second inlet of the mixer; the outlet of the mixer is connected to the bottom of the electric dehydrator through a liquid inlet pipe; the oil pump and the water pump are respectively connected with the controller. The device is repeatedly circulated between oil-water separation and oil-water mixing, can repeatedly demonstrate the basic principle and the process of the electric dehydration process, and all parameters in the circulation process are recorded by a computer, so that students can master the basic principle of the electric dehydration and the basic structure of the electric dehydrator.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a small dynamic electric dehydration experiment teaching device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The 'oil and gas gathering and transportation' focuses on teaching basic theories and process technologies of oil and gas field ground engineering, and is a core course of oil and gas storage and transportation engineering specialties. The main contents of the oil-gas gathering and transportation course comprise oil-gas gathering and transportation flow, oil-gas-water separation, crude oil dehydration, crude oil stabilization and the like, and the course is to solve the actual problems existing in the oil-gas field ground engineering field and needs to complete teaching contents in a mode of theoretically linking with the reality.
The electric dehydration is an important content of oil and gas gathering and transportation courses, and the schematic diagram of an electric dehydration device in a teaching material and an electric dehydrator seen in the field professional practice process cannot visually show the internal structure of the electric dehydration device, so that students lack visual understanding of the structure of the electric dehydrator and are difficult to realize ideal teaching effects.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a small dynamic electric dehydration experiment teaching device, which enables the inside of an electric dehydration experiment device to be visualized, helps students know the design method, the structure and the dehydration principle of the electric dehydration device, and can autonomously change some experiment parameters according to the device in the experiment, thereby observing the electric dehydration process after the parameters are changed, and leading the students to master the basic principle of electric dehydration and the basic structure of the electric dehydrator.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a small dynamic electric dehydration experiment teaching device, which comprises an electric dehydrator fixed in the top space of a bracket, wherein the electric dehydrator is connected with an oil pump inlet fixed on the bracket through an oil outlet pipe; the electric dehydrator is connected with a water pump inlet fixed on the bracket through a water outlet pipe at the bottom, and a water pump outlet is connected with a second inlet of the mixer; the outlet of the mixer is connected to the bottom of the electric dehydrator through a liquid inlet pipe; the oil pump and the water pump are respectively connected with the controller.
The top of the inner side of the electric dehydrator is provided with a top layer electrode plate and a bottom layer electrode plate which are arranged in parallel, the bottom of the inner side of the electric dehydrator is provided with an insulating electrode plate, and a high-voltage power supply connected with the controller is respectively connected with the top layer electrode plate and the bottom layer electrode plate to realize power supply.
The oil collecting tank is arranged at the top of the inner side of the electric dehydrator and connected with the oil outlet pipe, the oil outlet control valve and the oil sampling valve are arranged on the oil outlet pipe, and the oil outlet control valve and the oil sampling valve are located in a space between the electric dehydrator and the support.
The oil outlet pipe comprises a parallel section and a vertical section, the parallel section is parallel to the axis of the electric dehydrator, and the vertical section is positioned on one side of the parallel section.
The parallel section is arranged to one end of the electric dehydrator through the oil collecting groove and is connected with the high point of the vertical section, the low point of the vertical section is positioned at the bottom of one end of the electric dehydrator, and the oil outlet of the low point of the vertical section is led out to the oil tank.
The oil outlet pipe reaches the oil tank through the oil outlet control valve and the water content analyzer in sequence, the oil tank is positioned on the support, and the outlet of the oil tank is connected with the inlet of the oil pump.
The oil tank is provided with a heater, and the heater realizes temperature control through a temperature controller connected with the heater.
The bottom of the inner side of the electric dehydrator is provided with a water outlet pipe, the water outlet pipe is provided with a water outlet control valve and a water sampling valve, and the water outlet control valve and the water sampling valve are positioned in the space between the electric dehydrator and the bracket.
The water outlet pipe sequentially passes through the water outlet control valve and the oil content analyzer to reach the water tank, the water tank is positioned on the support, and the outlet of the water tank is connected with the inlet of the water pump.
The mixer comprises two inlets positioned at the bottom, the outlet of the oil pump is connected with the first inlet of the mixer, the outlet of the water pump is connected with the second inlet of the mixer, and the outlet of the mixer is connected to the bottom of the inner side of the electric dehydrator through a liquid inlet pipe; the liquid inlet pipe is provided with a liquid inlet valve and a dosing valve.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
the device is repeatedly circulated between oil-water separation and oil-water mixing, can repeatedly demonstrate the basic principle and the process of the electric dehydration process, and all parameters in the circulation process are recorded by a computer, so that students can master the basic principle of the electric dehydration and the basic structure of the electric dehydrator.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic overall flow diagram provided by one or more embodiments of the invention;
FIG. 2 is a schematic diagram of the overall structure provided by one or more embodiments of the present invention;
in the figure: 1-top electrode plate, 2-bottom electrode plate, 4-oil outlet control valve, 5-oil sampling valve, 6-water outlet control valve, 7-water content analyzer, 8-water sampling valve, 9-oil content analyzer, 10-water tank, 11-oil tank, 12-oil flow meter, 13-water flow meter, 14-mixer, 15-oil outlet pipe, 16-insulating electrode plate, 17-water outlet pipe, 18-medicine adding valve, 19-liquid inlet pipe, 20-water pump, 21-oil pump, 22-universal wheel with brake and 23-oil-water interface detector.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The electric dehydration is a process technology for separating, settling and removing water in crude oil by using the demulsification action of an electric field, and is an important content in the courses of oil and gas gathering and transportation. The following embodiment provides a structural form of a small dynamic electric dehydration experiment teaching device, so that students can master the basic principle of electric dehydration and the basic structure of an electric dehydrator.
The first embodiment is as follows:
as shown in fig. 1-2, a small dynamic electric dehydration experiment teaching device comprises an electric dehydrator fixed in the top space of a bracket, the electric dehydrator is connected with an inlet of an oil pump 21 fixed on the bracket through an oil outlet pipe 15, and an outlet of the oil pump 21 is connected with a first inlet of a mixer 14; the electric dehydrator is connected with an inlet of a water pump 20 fixed on the bracket through a water outlet pipe 17 at the bottom, and an outlet of the water pump 20 is connected with a second inlet of the mixer 14; the outlet of the mixer 14 is connected to the bottom of the electric dehydrator via a liquid inlet pipe 19.
The universal wheel 22 with a brake is arranged at the bottom of the bracket, so that the movement is convenient and the laboratory space is saved; in addition, the device is convenient to be connected with other experimental equipment (such as a separator, a settling tank and the like), and the whole oil-gas field ground treatment process is presented.
The top of the internal space of the electric dehydrator is provided with a top electrode plate 1 and a bottom electrode plate 2 which are arranged in parallel, and the bottom of the internal space of the electric dehydrator is provided with an insulating electrode plate 16; the electric dehydrator is designed by flow similarity according to the actual dehydrator size on site; the inside of the electric dehydrator is divided into a top space and a bottom space, a top electrode plate 1 and a bottom electrode plate 2 which are powered by a high-voltage power supply 3 are positioned in the top space, and an insulating electrode plate 16 is positioned in the bottom space. The high voltage power supply 3 can adjust the electric field between the voltage and frequency control plates, thereby being capable of testing the influence of the field intensity and the frequency on the dehydration effect.
The top of the inner side of the electric dehydrator is provided with an oil collecting groove, the oil collecting groove is connected with an oil outlet pipe 15, and the oil outlet pipe 15 comprises a parallel section and a vertical section; the parallel section is parallel to the axis of the electric dehydrator, and the vertical section is positioned at one side of the bracket; the parallel section is arranged from the oil collecting groove to one end of the electric dehydrator and is connected with the high point of the vertical section and led out through a bottom oil outlet at one end of the electric dehydrator.
An oil outlet control valve 4 and an oil sampling valve 5 are arranged on the oil outlet pipe 15, and the oil outlet control valve 4 and the oil sampling valve 5 are positioned in the space between the electric dehydrator and the bracket.
The oil outlet pipe 15 passes through the oil outlet control valve 4 and the water content analyzer 7 in sequence to reach the oil tank 11, the oil tank 11 is positioned on the bracket, and the outlet of the oil tank 11 is connected with the inlet of the oil pump 21.
The heater is arranged in the oil tank 11, and the heating temperature is controlled by the temperature controller, so that the influence of the temperature on the dehydration effect can be conveniently researched.
The bottom of the inner side of the electric dehydrator is provided with a water outlet pipe 17, the water outlet pipe 17 is provided with a water outlet control valve 6 and a water sampling valve 8, and the water outlet control valve 6 and the water sampling valve 8 are positioned in the space between the electric dehydrator and the bracket.
The water outlet pipe 17 sequentially passes through the water outlet control valve 6 and the oil content analyzer 9 to reach the water tank 10, the water tank 10 is positioned on the support, and the outlet of the water tank 10 is connected with the inlet of the water pump 20.
The two inlets of the mixer 14 are positioned at the bottom, the outlet of the oil pump 21 is connected with the first inlet of the mixer 14, the outlet of the water pump 20 is connected with the second inlet of the mixer 14, and the outlet of the mixer 14 is connected to the inner bottom of the electric dehydrator through the liquid inlet pipe 19.
The liquid inlet pipe 19 is provided with a liquid inlet valve and a dosing valve 18, the liquid inlet valve controls the oil-water mixture entering the electric dehydrator through the change of the self opening degree, the dosing valve 18 is connected with a dosing device, the amount of liquid medicine (demulsifier) entering the electric dehydrator is controlled through the change of the self opening degree, and the influence of the demulsifier on the dehydration effect is convenient to study.
An oil-water interface detector 23 is arranged in the electric dehydrator and used for monitoring the height of an oil-water interface in the electric dehydrator, and the influence of the retention time of an oil-water mixture in the electric dehydrator on the oil-water separation effect can be conveniently researched by controlling the opening degree of the water outlet control valve 6.
The inside oil-water separation of accomplishing oil-water mixture of electric dehydrator, oil after the separation and water respectively get into oil tank and water tank, promote back through oil pump and water pump, get into the blender through advancing oil pipe, inlet tube and mix and return the electric dehydrator in, whole device can circulate demonstration electric dehydration process flow, can demonstrate the process of electric dehydration repeatedly.
The electric dehydrator, the oil outlet pipe 15, the water outlet pipe 17 and the liquid inlet pipe 19 are all made of transparent materials, such as organic glass, so that students can clearly and visually see the internal structure of the electric dehydrator and the process flow of the electric dehydration.
Oil pump, water pump are connected with the converter respectively, by converter control rotational speed, are equipped with oil flowmeter 12 and water flowmeter 13 on the export pipeline of oil pump, water pump, change the rotational speed of oil pump, water pump through respective converter to change the oil mass and the water yield of oil pump, water pump output, thereby change profit ratio and total liquid volume, with the different water content of this experiment and dwell time to the influence of dehydration effect.
The oil-water interface detector 23, the oil flow meter 12, the water flow meter 13, the water content analyzer 7, the oil content analyzer 9 and the temperature controller are all connected with the computer, so that parameters of the whole device, including flow, temperature, oil-water interface height, water content, oil content and the like, can be automatically acquired and recorded by the computer through a data acquisition program; the rotating speed of the pump, the opening degree of the regulating valve, the voltage and frequency of the high-voltage power supply, the temperature of the temperature controller and the like can be controlled by a computer, and the full automation of the experimental process is realized.
The principle of the device is as follows:
when the whole experimental device is started, oil in the oil tank 11 and water in the water tank 10 are respectively pumped out by the corresponding oil pump 21 and the corresponding water pump 20, the oil and the water are fed into the mixer 14 after the flow is measured, and the oil and the water are fully mixed in the mixer and then fed into the electric dehydrator through the liquid inlet pipe 19 for dehydration.
After the oil-water mixed liquid enters the device, water drops are coalesced and settled under the action of electric fields generated by the top electrode plate 1 and the bottom electrode plate 2, and a high-voltage power supply 3 connected with the electrode plates can ensure that a high-voltage electric field is kept between the electrodes.
After dehydration is finished, the removed water returns to the water tank 10 through a water outlet pipe 17 at the bottom of the dehydrator, an oil content analyzer 9 is arranged on the water outlet pipe, and the dehydration effect of the device can be visually seen through on-site display; through remote transmission, experimental data can be displayed on a computer, the acquisition of the experimental data is realized, and meanwhile, a sampling valve 8 is arranged, so that the oil in the test water can be sampled; the oil on the upper layer returns to the oil tank 11 through the oil outlet pipe 15, the water content analyzer 7 is installed on the oil outlet pipe 15, and the dehydration effect of the device can be visually seen through on-site display; through the teletransmission, can show experimental data on the computer, realize experimental data's collection, go out oil pipe 15 and be equipped with sampling valve 5, can take a sample chemical examination water-bearing in the oil. The dewatering effect of the dehydrator under various operating conditions can be evaluated by the results of water in oil and oil in water.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a small-size developments electro-dewatering experiment teaching device which characterized in that: the electric dehydrator is connected with an oil pump inlet fixed on the bracket through an oil outlet pipe, and an oil pump outlet is connected with a first inlet of the mixer; the electric dehydrator is connected with a water pump inlet fixed on the bracket through a water outlet pipe at the bottom, and a water pump outlet is connected with a second inlet of the mixer; the outlet of the mixer is connected to the bottom of the electric dehydrator through a liquid inlet pipe; the oil pump and the water pump are respectively connected with the controller.
2. The small-sized dynamic electric dehydration experiment teaching device according to claim 1, characterized in that: the top of the inner side of the electric dehydrator is provided with a top layer electrode plate and a bottom layer electrode plate which are arranged in parallel, the bottom of the inner side of the electric dehydrator is provided with an insulating electrode plate, and a high-voltage power supply connected with the controller is respectively connected with the top layer electrode plate and the bottom layer electrode plate to realize power supply.
3. The small-sized dynamic electric dehydration experiment teaching device according to claim 1, characterized in that: the oil collecting tank is arranged at the top of the inner side of the electric dehydrator and connected with the oil outlet pipe, the oil outlet control valve and the oil sampling valve are arranged on the oil outlet pipe, and the oil outlet control valve and the oil sampling valve are located in a space between the electric dehydrator and the support.
4. A small-sized dynamic electro-dewatering experimental teaching device as claimed in claim 3, characterized in that: the oil outlet pipe comprises a parallel section and a vertical section, the parallel section is parallel to the axis of the electric dehydrator, and the vertical section is positioned on one side of the parallel section.
5. The small-sized dynamic electro-dewatering experimental teaching device as claimed in claim 4, characterized in that: the parallel section is arranged to one end of the electric dehydrator through the oil collecting groove and is connected with the high point of the vertical section, the low point of the vertical section is positioned at the bottom of one end of the electric dehydrator, and the oil outlet of the low point of the vertical section is led out to the oil tank.
6. The small-sized dynamic electric dehydration experiment teaching device according to claim 1, characterized in that: the oil outlet pipe reaches the oil tank through the oil outlet control valve and the water content analyzer in sequence, the oil tank is positioned on the support, and the outlet of the oil tank is connected with the inlet of the oil pump.
7. The small-sized dynamic electro-dewatering experimental teaching device as claimed in claim 6, characterized in that: the oil tank is internally provided with a heater, and the heater realizes temperature control through a temperature controller connected with the heater.
8. The small-sized dynamic electric dehydration experiment teaching device according to claim 1, characterized in that: the water outlet pipe is arranged at the bottom of the inner side of the electric dehydrator and is provided with a water outlet control valve and a water sampling valve which are positioned in the space between the electric dehydrator and the bracket.
9. The small-sized dynamic electric dehydration experiment teaching device according to claim 8 characterized in that: the water outlet pipe sequentially passes through the water outlet control valve and the oil content analyzer to reach the water tank, the water tank is positioned on the support, and the outlet of the water tank is connected with the inlet of the water pump.
10. The small-sized dynamic electric dehydration experiment teaching device according to claim 1, characterized in that: the mixer is provided with two inlets positioned at the bottom of the mixer, the outlet of the oil pump is connected with the first inlet of the mixer, the outlet of the water pump is connected with the second inlet of the mixer, and the outlet of the mixer is connected to the bottom of the inner side of the electric dehydrator through a liquid inlet pipe; the liquid inlet pipe is provided with a liquid inlet valve and a dosing valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110518270.1A CN113223395A (en) | 2021-05-12 | 2021-05-12 | Small-size dynamic electric dehydration experiment teaching device |
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| CN202110518270.1A CN113223395A (en) | 2021-05-12 | 2021-05-12 | Small-size dynamic electric dehydration experiment teaching device |
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| CN202110518270.1A Pending CN113223395A (en) | 2021-05-12 | 2021-05-12 | Small-size dynamic electric dehydration experiment teaching device |
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| AU2003284057A1 (en) * | 2002-10-10 | 2004-05-04 | University Of Wyoming | Crude oel separator device using ultrasonic waves |
| CN1584948A (en) * | 2004-05-31 | 2005-02-23 | 中国科学院力学研究所 | Split-phase mixed circulating oil gas and water multi-phase flow analog experimental devices |
| CN203048888U (en) * | 2013-01-10 | 2013-07-10 | 国家电网公司 | Dynamic visualized simulation device for crude oil electric dehydration |
| CN110064231A (en) * | 2019-03-06 | 2019-07-30 | 江苏大学 | A kind of V-type voltolisation knot dehydration dynamic experimental device |
| CN110423632A (en) * | 2019-08-14 | 2019-11-08 | 中国石油化工股份有限公司 | A kind of built-in electric field break milk separation device experimental rig and method |
| CN110441479A (en) * | 2019-08-14 | 2019-11-12 | 中国石油化工股份有限公司 | Dynamic experimental device and method in a kind of built-in electrostatic coalescer room of container |
| CN211666911U (en) * | 2019-12-09 | 2020-10-13 | 浙江理工大学 | Experimental device for latent oily charge pump fluid transportation return circuit analysis when producing oil to deep sea |
-
2021
- 2021-05-12 CN CN202110518270.1A patent/CN113223395A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003284057A1 (en) * | 2002-10-10 | 2004-05-04 | University Of Wyoming | Crude oel separator device using ultrasonic waves |
| CN1584948A (en) * | 2004-05-31 | 2005-02-23 | 中国科学院力学研究所 | Split-phase mixed circulating oil gas and water multi-phase flow analog experimental devices |
| CN203048888U (en) * | 2013-01-10 | 2013-07-10 | 国家电网公司 | Dynamic visualized simulation device for crude oil electric dehydration |
| CN110064231A (en) * | 2019-03-06 | 2019-07-30 | 江苏大学 | A kind of V-type voltolisation knot dehydration dynamic experimental device |
| CN110423632A (en) * | 2019-08-14 | 2019-11-08 | 中国石油化工股份有限公司 | A kind of built-in electric field break milk separation device experimental rig and method |
| CN110441479A (en) * | 2019-08-14 | 2019-11-12 | 中国石油化工股份有限公司 | Dynamic experimental device and method in a kind of built-in electrostatic coalescer room of container |
| CN211666911U (en) * | 2019-12-09 | 2020-10-13 | 浙江理工大学 | Experimental device for latent oily charge pump fluid transportation return circuit analysis when producing oil to deep sea |
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Application publication date: 20210806 |