Equipment for detecting petroleum moisture content tester

Abstract

The utility model relates to equipment for detecting a petroleum moisture content tester, which belongs to the technical field of petroleum detection equipment and comprises a flash tank, the flash tank comprises a shell, a buoy is slidably connected in the shell, a guide rod is fixedly connected to the upper end of the buoy and penetrates through the upper end of the shell, and an exhaust port is communicated with the side wall of the shell. A liquid outlet is formed in the lower end of the flash tank, the inner side wall of the shell is fixedly connected with a double-layer O-shaped sealing ring, and the floating barrel is in contact with the double-layer O-shaped sealing ring; the double-layer O-shaped sealing ring is communicated with a circulating pipe, the tail end of the circulating pipe is communicated with the side wall of the shell, and the circulating pipe is communicated with an oil way connector. According to the device, the working efficiency can be improved, the labor intensity can be reduced, the safety of detection personnel can be ensured, the phenomena of missing detection, reading recording errors and the like can be fundamentally avoided, the original data can be traced and checked, and the accuracy of the quantity value traceability of the online water content meter can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of oil detection equipment, in particular to a device for detecting an oil water content tester. Background Technique

[0002] The water content of oil refers to the ratio of the volume of associated water in oil to the volume of the oil-water mixture, which is one of the important parameters of oil and an index that is highly concerned during the processes of oil extraction, dehydration, storage, transportation, sales, and refining;

[0003] During the production process, it will affect the decision-making of process control, resulting in inaccurate process control. With the intelligent development of domestic oil fields, the types of oil water content testers (hereinafter referred to as water content meters) are becoming increasingly diverse, and their importance is becoming more prominent. Customers' demand for instruments with a full range increases, and it is urgent to develop an intelligent calibration device for full-range oil water content testers. The calibration device for oil water content testers is a device for calibrating on-line water content meters. Before calibrating the water content meter, the existing device requires manual liquid preparation, liquid injection, and air exhaust, and operations such as zero calibration and full-scale calibration are completed. After calibrating one calibration point, it is necessary to drain the liquid and perform operations such as liquid preparation, liquid injection, and air exhaust again. The calibration process is time-consuming and laborious, with low efficiency, and the measurement range is only (0-3)% volume water content. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for detecting an oil water content tester, so as to solve the problems of small measurement range, low automation degree in the calibration process of the oil water content tester calibration device, and manual recording of detection data proposed in the above background technique.

[0005] The technical solution of the utility model is as follows:

[0006] It includes an expander, the expander includes a housing, a floating cylinder is slidably connected inside the housing, a guide rod is fixedly connected to the upper end of the floating cylinder, and the guide rod penetrates through the upper end of the housing. An exhaust port is communicated with the side wall of the housing, a liquid outlet is drilled at the lower end of the expander, a double-layer O-ring is fixedly connected to the inner side wall of the housing, and the floating cylinder is in contact with the double-layer O-ring;

[0007] A circulation pipe is communicated with the double-layer O-ring, and the end of the circulation pipe is communicated with the side wall of the housing. An oil circuit interface is communicated with the circulation pipe.

[0008] Furthermore, a circulation pump and a flow meter for detecting the flow rate are installed on the circulation pipe.

[0009] Furthermore, a stirring blade assembly for stirring the test medium is installed inside the circulation pipe.

[0010] Further, a temperature sensor for detecting the temperature of the test medium is inserted into the circulation pipe, and a temperature control sleeve for heat preservation of the test medium is sleeved on the side wall of the circulation pipe.

[0011] Further, two online densitometers are installed on the circulation pipe.

[0012] Further, a pressure transmitter for detecting pressure is fixedly connected to the circulation pipe.

[0013] The present utility model provides an equipment for detecting an oil water content tester through improvement. Compared with the prior art, it has the following improvements and advantages:

[0014] Firstly, the present utility model can achieve the purpose of automatic expansion and contraction through the pressure of the test medium transmitted into the circulation pipe.

[0015] Secondly, the present utility model can expand the measurement range to 0 to 100% volume water content. During the verification / calibration process, only the calibration points and calibration process of the water content meter need to be set, and the intelligent control system will transmit the instructions to the measurement execution system. The measurement execution system automatically completes the calibration of the water content meter according to the instructions and realizes the dynamic automatic storage of data, so as to achieve intelligent calibration, which can bring significant calibration effectiveness for the verification / calibration of online oil water content testers. Description of the Drawings

[0016] The following further explains the present utility model in conjunction with the drawings and embodiments:

[0017] Figure 1 is the structural schematic diagram of the present utility model;

[0018] Figure 2 is the structural schematic diagram of the expander of the present utility model;

[0019] Figure 3 is the system diagram of the present utility model;

[0020] Figure 4 is Figure 3 the enlarged view at position B in

[0021] Explanation of the Reference Numerals in the Drawings:

[0022] 1. Expander; 101. Outer shell; 102. Float; 103. Guide rod; 104. Exhaust port; 105. Liquid outlet; 106. Double-layer O-ring seal;

[0023] 2. Circulation pipe; 3. Oil circuit interface; 4. Circulation pump; 5. Stirring blade assembly; 6. Flowmeter; 7. Online densitometer; 8. Temperature sensor; 9. Temperature control sleeve; 10. Pressure transmitter. Detailed Embodiment

[0024] The following will combine the appended Figures 1 to 4 A detailed description of the present utility model will be given below. The technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0025] The present utility model provides a device for detecting an oil water content tester by improvement. As Figure 1 - Figure 4 shown, it includes an expander 1. The expander 1 includes a housing 101. A floating cylinder 102 is slidably connected inside the housing 101. A guide rod 103 is fixedly connected to the upper end of the floating cylinder 102, and the guide rod 103 penetrates through the upper end of the housing 101. An exhaust port 104 is communicated with the side wall of the housing 101. A liquid outlet 105 is drilled at the lower end of the expander 1. A double-layer O-ring seal 106 is fixedly connected to the inner side wall of the housing 101, and the floating cylinder 102 contacts the double-layer O-ring seal 106;

[0026] A circulation pipe 2 is communicated with the double-layer O-ring seal 106, and the end of the circulation pipe 2 is communicated with the side wall of the housing 101. An oil circuit interface 3 is communicated with the circulation pipe 2. When the test medium is filled in the circulation pipe 2, the gas is discharged from the exhaust port 104. As the liquid level in the pipeline rises with the injection of the test medium, the pressure inside the housing 101 will also rise, thereby pushing the floating cylinder 102 to rise to achieve the purpose of expansion. When the medium in the pipeline is extracted, the floating cylinder 102 falls due to its own weight to achieve the purpose of contraction.

[0027] A circulation pump 4 and a flow meter 6 for detecting the flow rate are installed on the circulation pipe 2. A stirring blade assembly 5 for stirring the test medium is installed inside the circulation pipe 2. A temperature sensor 8 for detecting the temperature of the test medium is inserted into the circulation pipe 2. A temperature control sleeve 9 for insulating the test medium is sleeved on the side wall of the circulation pipe 2. Two on-line densitometers 7 are installed on the circulation pipe 2. A pressure transmitter 10 for detecting the pressure is fixedly connected to the circulation pipe 2.

[0028] Please refer to Figure 3, the device consists of a measurement execution system and an intelligent control system. The measurement execution system includes an automatic liquid dispensing module that can accurately take, dispense, and drain liquid automatically, realizing the automation of zero calibration and full-scale calibration, the automatic calibration of the points to be tested, the density monitoring function is added to the circulation module, multiple temperature monitoring points are added, the automatic temperature control module can achieve a temperature control accuracy of ±1°C, the temperature control range is 10°C to 60°C, and the data automatic acquisition module can realize the automatic and accurate processing and storage of measurement data; the intelligent control system includes a central control module, a data intelligent processing module, and a data storage module, which can expand the measurement range to 0-100% volume water content.

[0029] During the verification / calibration process, only the calibration points and calibration process of the water content meter need to be set. The intelligent control system will transmit the instructions to the measurement execution system. The measurement execution system automatically completes the calibration of the water content meter according to the instructions and realizes the dynamic automatic storage of data, thus realizing intelligent calibration, which can bring significant calibration effectiveness to the verification / calibration of on-line petroleum water content testers.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An apparatus for detecting an oil water content tester, comprising an expander (1), characterized in that: The expansion vessel (1) includes a housing (101). A floating cylinder (102) is slidably connected inside the housing (101). A guide rod (103) is fixedly connected to the upper end of the floating cylinder (102), and the guide rod (103) penetrates through the upper end of the housing (101). An exhaust port (104) is communicated with the side wall of the housing (101). A liquid outlet (105) is drilled at the lower end of the expansion vessel (1). A double-layer O-ring seal (106) is fixedly connected to the inner side wall of the housing (101), and the floating cylinder (102) contacts the double-layer O-ring seal (106). A circulation pipe (2) is communicated with the double-layer O-ring seal (106), and the end of the circulation pipe (2) is communicated with the side wall of the housing (101). An oil circuit interface (3) is communicated with the circulation pipe (2).

2. An apparatus for detecting an oil water content tester according to claim 1, characterized in that: A circulation pump (4) and a flowmeter (6) for detecting flow rate are installed on the circulation pipe (2).

3. An apparatus for detecting an oil water content tester according to claim 2, characterized in that: A stirring blade assembly (5) for stirring the test medium is installed inside the circulation pipe (2).

4. An apparatus for detecting an oil water content tester according to claim 3, characterized in that: A temperature sensor (8) for detecting the temperature of the test medium is inserted into the circulation pipe (2), and a temperature control sleeve (9) for insulating the test medium is sleeved on the side wall of the circulation pipe (2).

5. An apparatus for detecting an oil water content tester according to claim 4, characterized in that: Two on-line densitometers (7) are installed on the circulation pipe (2).

6. An apparatus for detecting an oil water content tester according to claim 5, characterized in that: A pressure transmitter (10) for detecting pressure is fixedly connected to the circulation pipe (2).

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