An oil-water two-phase flow pattern recognition device
By arranging multiple sets of combined temperature sensors and heating and speed sensors on the pipeline, the problem that a single thermal sensor cannot identify complex oil-water flow patterns is solved, achieving high-precision, real-time flow pattern identification. This is applicable to liquid and gaseous two-phase oil-water flow, reducing equipment complexity and maintenance costs.
Patent Information
- Application Number
- CN202520021112.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-06
AI Technical Summary
In existing technologies, a single thermal sensor cannot accurately and comprehensively identify complex and ever-changing oil and water flow patterns. Furthermore, traditional methods such as image processing and pressure sensor methods suffer from low accuracy, high cost, and long response time, making it difficult to meet the real-time and accuracy requirements of industrial production.
By employing a combination of multiple temperature sensors, heating sensors, and velocity sensors, and by arranging PT1000 temperature sensors at a 120° angle on the pipeline, combined with heating and velocity sensors, comprehensive detection of oil-water two-phase flow can be achieved.
It achieves high-precision, real-time identification of oil-water two-phase flow, and is applicable to flow pattern identification in both liquid and gaseous states. It avoids the risk of pipeline blockage and reduces equipment complexity and maintenance costs.
Smart Images
Figure CN223581076U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of water-oil mixed gas and liquid detection, and particularly relates to an oil-water two-phase flow pattern recognition device. BACKGROUND
[0002] In the field of oil-water two-phase flow pattern recognition, there are many problems to be solved in the current technical conditions. Traditional flow pattern recognition methods, such as image processing method and pressure sensor method, have been applied to a certain extent, but each has obvious defects. The image processing method is easily affected by factors such as light, oil droplets and uneven distribution of bubbles, resulting in low recognition accuracy; the pressure sensor method is difficult to meet the requirements of real-time and accuracy due to the complexity of the equipment, high installation and maintenance cost, and long response time.
[0003] The thermal sensor is widely used in the monitoring of oil-water flow due to its high precision and low cost, but its limitations cannot be ignored. The data obtained by relying on a single thermal sensor cannot accurately and comprehensively identify the complex and changeable oil-water flow pattern, and it is difficult to cope with the frequent changes of oil-water mixing ratio, flow rate, temperature and other parameters in actual industrial production, which greatly limits the efficient application and further development of the oil-water two-phase flow pattern recognition technology in the industrial field. CONTENT OF THE INVENTION
[0004] The oil-water two-phase flow pattern recognition device provided by the embodiment of the application solves the problem that a single temperature sensor cannot accurately collect the temperature of water and oil at the monitoring point.
[0005] In one aspect, the embodiment of the application provides an oil-water two-phase flow pattern recognition device, which comprises:
[0006] a plurality of groups of combined temperature sensors, a heating sensor and a speed sensor;
[0007] Each group of combined temperature sensors is composed of three PT1000 temperature measurement sensors which are arranged at an angle of 120 degrees around the pipeline and are inserted into the pipeline;
[0008] The plurality of groups of combined temperature sensors are installed on the pipeline at a fixed interval;
[0009] The heating sensor and the speed sensor are inserted into the pipeline between any two groups of combined temperature sensors, the heating sensor is inserted from the upper end of the pipeline, and the speed sensor is inserted from the lower end of the pipeline.
[0010] Optionally, the angles of the plurality of groups of combined temperature sensors before and after the pipeline can be consistent or inconsistent.
[0011] Optionally, the plurality of groups of combined temperature sensors, the heating sensor and the speed sensor are connected to a computer through wireless or data line.
[0012] Optionally, each temperature sensor of the multiple sets of combined temperature sensors is a thermal sensor.
[0013] Optionally, a preset distance is maintained between the heating sensor 3 and the speed sensor 4.
[0014] Optionally, the three PT1000 temperature measurement sensors of the combined temperature sensor 2 are not in contact with each other, and the three PT1000 temperature measurement sensors are located on the central axis of the pipeline 1 at respective end points inside the pipeline 1.
[0015] The oil-water two-phase flow pattern recognition device provided in the application has the following advantages:
[0016] The oil-water two-phase flow pattern recognition device provided in the application can fully detect the temperature of the gas or liquid flowing at a detection point. It should be noted that the oil-water two-phase flow pattern recognition device provided in the application is not only suitable for the oil-water two-phase flow pattern in a liquid state, but also can detect the oil-water two-phase flow pattern in a gaseous state.
[0017] The detection device composed of the multiple sets of combined temperature sensors, the heating sensor, and the speed sensor can fully detect the pipeline gas and liquid related data at different positions.
[0018] The temperature sensor used in the application is a thermal sensor, which can also overcome the risk of oil-water adhesion to the sensor and avoid pipeline blockage. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.
[0020] Figure 1 The structural diagram of the oil-water two-phase flow pattern recognition device provided in the embodiments of the application.
[0021] Figure 2 The cross-sectional structure schematic diagram of a set of combined temperature sensors provided in the embodiments of the application on a pipeline.
[0022] Figure 3 The side cross-sectional schematic diagram of the installation mode of the speed sensor and the heating sensor provided in the embodiments of the application.
[0023] The reference signs are as follows: 1 is a pipeline, 2 is a combined temperature sensor, 3 is a heating sensor, and 4 is a speed sensor. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0025] The oil-water two-phase flow pattern recognition device provided by the utility model discloses a kind of, including:
[0026] Multiple combined temperature sensors 2, heating sensors 3, and speed sensors 4 are inserted on the pipeline 1, as shown in Figure 1 , Figure 1 An oil-water two-phase flow pattern recognition device with two combined temperature sensors 2 is given.
[0027] Each combined temperature sensor 2 is composed of three identical PT1000 temperature measurement sensors, which are arranged at an angle of 120° around the pipeline 1, and are inserted on the pipeline 1, as shown in Figure 2 , Figure 2 A cross-sectional structure diagram of a combined temperature sensor 2 on the pipeline 1 is given. It should be noted that the three identical PT1000 temperature measurement sensors are arranged at an angle of 120° around the pipeline 1, which can more accurately measure the temperature of the water-oil gas mixture or water-oil liquid mixture flowing through the pipeline 1 at the current detection point. Among them, the three PT1000 temperature measurement sensors of the combined temperature sensor 2 do not contact each other, and the end points of the three PT1000 temperature measurement sensors inside the pipeline 1 are located on the central axis of the pipeline 1.
[0028] Multiple combined temperature sensors 2 are installed on the pipeline 1 at a fixed interval;
[0029] Between any two combined temperature sensors 2, a heating sensor 3 and a speed sensor 4 are also inserted on the pipeline 1. The heating sensor 3 is inserted from the upper end of the pipeline 1, and the speed sensor 4 is inserted from the lower end of the pipeline 1. The installation method of the speed sensor 4 and the heating sensor 3 is as shown in Figure 3 , optionally, a predetermined distance is maintained between the heating sensor 3 and the speed sensor 4. The distance can be 1 meter, 2 meters, etc., which is set according to the actual situation to avoid impurities blocking and affecting data collection.
[0030] It should be noted that the multiple sets of combined temperature sensors 2 can be arranged at equal intervals on the pipeline 1, or can be arranged at random intervals on the pipeline 1, and the specific arrangement manner is determined according to the actual situation, and those skilled in the art can know that not only two sets of combined temperature sensors 2 can be arranged on the pipeline 1, but also three or more sets of combined temperature sensors 2 can be arranged on the pipeline 1.
[0031] Optionally, the front and rear arrangement angles of the multiple sets of combined temperature sensors 2 can be consistent or inconsistent. That is, the multiple sets of combined temperature sensors 2 can be arranged in a consistent formation, or can be inconsistent front and rear, but the included angle between the PT1000 temperature measurement sensors of each set is still 120°.
[0032] Optionally, the multiple sets of combined temperature sensors 2, the heating sensor 3, and the speed sensor 4 are connected to the computer through wireless or data line.
[0033] Each temperature sensor of the multiple sets of combined temperature sensors 2 is a thermal sensor.
[0034] Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to the embodiments once they know the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0035] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. An oil-water two-phase flow pattern recognition device, characterized by, Comprise: Multiple groups of combined temperature sensors (2), heating sensors (3), and speed sensors (4); Each group of the combined temperature sensors (2) is composed of three identical PT1000 temperature measurement sensors, which are inserted into the pipeline (1) and are arranged at an angle of 120° with each other around the pipeline (1); Multiple groups of the combined temperature sensors (2) are installed on the pipeline (1) at a fixed interval; Between any two groups of the combined temperature sensors (2), a heating sensor (3) and a speed sensor (4) are also inserted into the pipeline (1), the heating sensor (3) is inserted from the upper end of the pipeline (1), and the speed sensor (4) is inserted from the lower end of the pipeline (1).
2. An oil-water two-phase flow pattern recognition device according to claim 1, characterized in that, Comprise: The angles of multiple groups of the combined temperature sensors (2) can be consistent or inconsistent.
3. An oil-water two-phase flow pattern recognition device according to claim 1, characterized in that, Multiple groups of the combined temperature sensors (2), the heating sensors (3), and the speed sensors (4) are connected to the computer through wireless or data lines.
4. The oil-water two-phase flow pattern identification device of claim 1, wherein, Each temperature sensor of multiple groups of the combined temperature sensors (2) is a thermal sensor.
5. The oil-water two-phase flow pattern identification device of claim 1, wherein, The heating sensor (3) and the speed sensor (4) maintain a predetermined distance.
6. The oil-water two-phase flow pattern identification device of claim 1, wherein, The three PT1000 temperature measurement sensors of the combined temperature sensor (2) do not contact each other, and the respective end points of the three PT1000 temperature measurement sensors inside the pipeline (1) are located on the central axis of the pipeline (1).