CN211226309U - Automatic liquid supplementing device of piston type intermediate container for displacement - Google Patents
Automatic liquid supplementing device of piston type intermediate container for displacement Download PDFInfo
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- CN211226309U CN211226309U CN201921698825.XU CN201921698825U CN211226309U CN 211226309 U CN211226309 U CN 211226309U CN 201921698825 U CN201921698825 U CN 201921698825U CN 211226309 U CN211226309 U CN 211226309U
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Abstract
The utility model discloses a piston type intermediate container automatic fluid infusion device and method for displacement, which comprises an intermediate container, a fluid infusion system, a displacement system and a control system; a displacement is with automatic fluid infusion device of piston intermediate container can be in the intermediate container medium displacement after, carries out the fluid infusion to intermediate container automatically, then continues to carry out the displacement experiment, does not need artificial intervention, need not adopt the intermediate container of multiunit, has not only reduced experimenter's intensity of labour, has also significantly reduced the occupation of land space of equipment, has simplified the instrument flow, has reduced the leak source position, the developing of the displacement experiment of being more convenient for.
Description
Technical Field
The utility model relates to an experimental device technical field, concretely relates to automatic fluid infusion device of piston intermediate container for displacement.
Background
Core displacement is a common experimental method for performing reservoir protection experiments, seepage experiments and various reservoir evaluation experiments indoors. When the rock core is displaced, various high-precision constant-current and constant-pressure pumps are commonly used for displacement, while the displacement medium is usually corrosive, if the constant-current and constant-pressure pumps are directly used for displacement, the precision of the constant-current and constant-pressure pumps can be affected or damaged, so that the piston type intermediate container is often used for transition, the experimental medium is arranged at the upper part of the intermediate container, and the constant-current and constant-pressure pumps are used for displacing clean non-corrosive medium to replace the experimental medium at the upper part of the piston type intermediate container for displacement. Because the piston type intermediate container for displacement is a high-pressure container, the volume is not too large in design, and a laboratory often adopts a plurality of groups of intermediate containers to be connected in parallel for use in order to meet the requirement of an experiment. Therefore, all displacement experimental devices are large in size, large laboratory space is occupied, pipelines of the displacement experimental devices are numerous and easy to leak, and operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an automatic fluid infusion device of piston intermediate container for displacement.
The utility model discloses a realize through following technical scheme:
a piston type intermediate container automatic fluid infusion device for displacement comprises an intermediate container, a fluid infusion system, a displacement system and a control system;
the middle container is divided into an upper part and a lower part by a piston driven to reciprocate, the upper end of the middle container is provided with an experimental medium inlet and outlet, and the lower end of the middle container is provided with a displacement medium inlet and outlet; the displacement medium inlet and outlet are connected with a liquid discharge pool through a pipeline; a magnet is arranged in the piston, and coils are wound at the inlet and the outlet of the experimental medium and the inlet and the outlet of the displacement medium and are connected with a first electromagnetic signal collector and a second electromagnetic signal collector which are used for collecting current changes in the coils;
the liquid supplementing system comprises an air compressor and a liquid supplementing container, the air compressor is communicated with the inlet end of the liquid supplementing container through a pipeline, and the outlet end of the liquid supplementing container is communicated with the experimental medium inlet and outlet through a pipeline;
the displacement system comprises a displacement pump, and the displacement pump is communicated with a displacement medium inlet and outlet through a pipeline;
the control system comprises a controller and valves controlled by the controller and used for controlling the opening and closing of each pipeline, and the first electromagnetic signal collector and the second electromagnetic signal collector are respectively connected with the controller.
In the above technical solution, the valve includes a first pneumatic valve, a second pneumatic valve, a third pneumatic valve, and a fourth pneumatic valve, the first pneumatic valve is disposed on the pipeline between the fluid infusion container and the experimental medium inlet/outlet, the second pneumatic valve is disposed on the pipeline between the experimental medium inlet/outlet and the experimental system, the third pneumatic valve is disposed on the pipeline between the displacement medium inlet/outlet and the fluid discharge tank, and the fourth pneumatic valve is disposed on the pipeline between the displacement medium inlet/outlet and the displacement pump.
In the technical scheme, the liquid supplementing container is provided with an exhaust valve.
In the above technical scheme, a pressure sensor is arranged on a pipeline between the displacement medium inlet and outlet and the displacement pump and used for collecting the pressure of the displacement medium entering the intermediate container, and the pressure sensor is connected with the controller, so that the controller can collect the pressure value of the pressure sensor.
In the above technical solution, the control system may further include a flow meter and a timer disposed at the displacement medium inlet and outlet and the experiment medium inlet and outlet, and collect flow information in real time.
An automatic liquid supplementing method for a piston type intermediate container for displacement comprises the following steps:
the method comprises the following steps that firstly, a second pneumatic valve and a fourth pneumatic valve are started, a first pneumatic valve and a third pneumatic valve are closed, and a displacement pump enables a displacement medium to enter a middle container from the bottom to push an experimental medium above a piston to enter an experimental system for reaction; when the experimental medium is completely discharged, the piston reaches the uppermost end of the intermediate container, the piston and the coil generate electromagnetic reaction, and the signal is collected by the first electromagnetic signal collector and sent to the controller;
step two, after receiving the signal, the controller controls: the second pneumatic valve is closed, the pressure value of the pressure sensor at the lower part of the middle container is recorded, then the fourth pneumatic valve is closed, the first pneumatic valve and the third pneumatic valve are opened, liquid supplementing is carried out, an experimental medium enters the middle container from the liquid supplementing container through the experimental medium inlet and outlet, the piston is pushed to move downwards, and a displacement medium is discharged from the displacement medium inlet and outlet and enters the liquid discharge pool; when the displacement medium is completely discharged, the piston reaches the lowest end of the intermediate container, the piston and the coil generate electromagnetic reaction, and the signal is collected by the second electromagnetic signal collector and sent to the controller; the controller receives the signal and controls: and (3) closing the first pneumatic valve and the third pneumatic valve, opening the fourth pneumatic valve, opening the second pneumatic valve after the pressure of the pressure sensor reaches the pressure value recorded before fluid infusion, and repeating the step one until the displacement experiment is finished.
The utility model discloses an advantage and beneficial effect do:
a displacement is with automatic fluid infusion device of piston intermediate container can be in the intermediate container medium displacement after, carries out the fluid infusion to intermediate container automatically, then continues to carry out the displacement experiment, does not need artificial intervention, need not adopt the intermediate container of multiunit, has not only reduced experimenter's intensity of labour, has also significantly reduced the occupation of land space of equipment, has simplified the instrument flow, has reduced the leak source position, the developing of the displacement experiment of being more convenient for.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Wherein: the device comprises an air compressor, an electromagnetic valve, a controller, an exhaust valve, a first pneumatic valve, a second pneumatic valve, an experimental system, a first electromagnetic signal collector, a middle container, a second electromagnetic signal collector, a third pneumatic valve, a fourth pneumatic valve, a displacement pump, a pressure sensor and a liquid supplementing container, wherein the air compressor is 1, the electromagnetic valve is 2, the controller is 3, the exhaust valve is 4, the first pneumatic valve is 5, the second pneumatic valve is 6, the experimental system is 7, the first electromagnetic signal collector is 8, the middle container is 9, the second electromagnetic signal collector is 10, the.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Example 1
A piston type intermediate container automatic fluid infusion device for displacement comprises an intermediate container 9, a fluid infusion system, a displacement system and a control system;
the middle container is divided into an upper part and a lower part by a piston driven to reciprocate, the upper end of the middle container is provided with an experimental medium inlet and outlet, and the lower end of the middle container is provided with a displacement medium inlet and outlet; the experimental medium inlet and outlet are connected with an experimental system 7 through a pipeline, and the displacement medium inlet and outlet are connected with a liquid discharge pool through a pipeline; a high-strength magnet is arranged in the piston, and coils are wound at the inlet and the outlet of the experimental medium and the inlet and the outlet of the displacement medium and are connected with a first electromagnetic signal collector 8 and a second electromagnetic signal collector 10 which are used for collecting current changes in the coils;
the liquid supplementing system comprises an air compressor 1 and a liquid supplementing container 15, the air compressor is communicated with the inlet end of the liquid supplementing container through a pipeline, and the outlet end of the liquid supplementing container is communicated with the experimental medium inlet and outlet through a pipeline; and an exhaust valve 4 is arranged on the liquid supplementing container.
The displacement system comprises a displacement pump 13 which is communicated with a displacement medium inlet and outlet through a pipeline;
the control system comprises a controller 3 and valves controlled by the controller and used for controlling the opening and closing of each pipeline, wherein each valve comprises a first pneumatic valve 5, a second pneumatic valve 6, a third pneumatic valve 11 and a fourth pneumatic valve 12, the first pneumatic valves are arranged on the pipeline between the fluid infusion container and the experimental medium inlet and outlet, the second pneumatic valves are arranged on the pipeline between the experimental medium inlet and outlet and the experimental system, the third pneumatic valves are arranged on the pipeline between the displacement medium inlet and outlet and the fluid discharge pool, and the fourth pneumatic valves are arranged on the pipeline between the displacement medium inlet and outlet and the displacement pump; the first electromagnetic signal collector and the second electromagnetic signal collector are respectively connected with the controller.
And a pipeline between the displacement medium inlet and outlet and the displacement pump is provided with a pressure sensor 14 for collecting the pressure of the displacement medium entering the intermediate container, and the pressure sensor is connected with the controller so that the controller can collect the pressure value of the pressure sensor.
The control system can also comprise a flowmeter and a timer which are arranged at the displacement medium inlet and outlet and the experiment medium inlet and outlet, and the flow information is collected in real time.
Example 2
When the displacement is carried out, the fluid infusion container and the middle container are filled with displacement medium, the fourth pneumatic valve 12 and the second pneumatic valve 6 are opened, the displacement pump 13 is started for displacement, after the displacement pump completely displaces the experimental medium in the middle container, the piston of the middle container moves to the upper part of the middle container, the first electromagnetic signal collector 8 at the upper part senses signals and feeds the signals back to the controller, the controller automatically controls the second pneumatic valve 6 to be closed firstly, simultaneously records the pressure value of the pressure sensor at the lower part of the middle container, the experimental medium in the fluid infusion container is automatically injected to the upper part of the middle container through the air pressure of the air compressor, simultaneously the clean medium at the bottom of the middle container is discharged through the third pneumatic valve 11, when the middle container is filled properly, the piston of the middle container moves to the bottom of the middle container, and the second electromagnetic signal collector 10 at the lower part also senses signals, and the signal is fed back to the controller, the controller firstly controls the electromagnetic valve 2, the first pneumatic valve 5 and the third pneumatic valve 11 to be closed, and when the pressure of the pressure sensor reaches the pressure value recorded before fluid infusion, the second pneumatic valve 6 is automatically opened to continue the displacement. The following iterations were carried out until the displacement experiment was completed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (5)
1. The utility model provides an automatic fluid infusion device of piston intermediate container for displacement which characterized in that: comprises an intermediate container, a fluid infusion system, a displacement system and a control system;
the middle container is divided into an upper part and a lower part by a piston driven to reciprocate, the upper end of the middle container is provided with an experimental medium inlet and outlet, and the lower end of the middle container is provided with a displacement medium inlet and outlet; the displacement medium inlet and outlet are connected with a liquid discharge pool through a pipeline; a magnet is arranged in the piston, and coils are wound at the inlet and the outlet of the experimental medium and the inlet and the outlet of the displacement medium and are connected with a first electromagnetic signal collector and a second electromagnetic signal collector which are used for collecting current changes in the coils;
the liquid supplementing system comprises an air compressor and a liquid supplementing container, the air compressor is communicated with the inlet end of the liquid supplementing container through a pipeline, and the outlet end of the liquid supplementing container is communicated with the experimental medium inlet and outlet through a pipeline;
the displacement system comprises a displacement pump, and the displacement pump is communicated with a displacement medium inlet and outlet through a pipeline;
the control system comprises a controller and valves controlled by the controller and used for controlling the opening and closing of each pipeline, and the first electromagnetic signal collector and the second electromagnetic signal collector are respectively connected with the controller.
2. The automatic fluid replenishing device for the piston type intermediate container for displacement according to claim 1, wherein: the valve comprises a first pneumatic valve, a second pneumatic valve, a third pneumatic valve and a fourth pneumatic valve, wherein the first pneumatic valve is arranged on a pipeline between the liquid supplementing container and the experimental medium inlet and outlet, the second pneumatic valve is arranged on a pipeline between the experimental medium inlet and outlet and the experimental system, the third pneumatic valve is arranged on a pipeline between the displacement medium inlet and outlet and the liquid discharging pool, and the fourth pneumatic valve is arranged on a pipeline between the displacement medium inlet and outlet and the displacement pump.
3. The automatic fluid replenishing device for the piston type intermediate container for displacement according to claim 1, wherein: and an exhaust valve is arranged on the liquid supplementing container.
4. The automatic fluid replenishing device for the piston type intermediate container for displacement according to claim 1, wherein: and a pressure sensor is arranged on a pipeline between the displacement medium inlet and outlet and the displacement pump and used for collecting the pressure of the displacement medium entering the intermediate container, and the pressure sensor is connected with the controller, so that the controller can collect the pressure value of the pressure sensor.
5. The automatic fluid replenishing device for the piston type intermediate container for displacement according to claim 1, wherein: the control system can also comprise a flowmeter and a timer which are arranged at the displacement medium inlet and outlet and the experiment medium inlet and outlet, and the flow information is collected in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921698825.XU CN211226309U (en) | 2019-10-11 | 2019-10-11 | Automatic liquid supplementing device of piston type intermediate container for displacement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921698825.XU CN211226309U (en) | 2019-10-11 | 2019-10-11 | Automatic liquid supplementing device of piston type intermediate container for displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713160A (en) * | 2019-10-11 | 2020-01-21 | 中国海洋石油集团有限公司 | Automatic liquid supplementing device and method for piston type intermediate container for displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713160A (en) * | 2019-10-11 | 2020-01-21 | 中国海洋石油集团有限公司 | Automatic liquid supplementing device and method for piston type intermediate container for displacement |
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