CN212845130U - Condensation point testing device - Google Patents
Condensation point testing device Download PDFInfo
- Publication number
- CN212845130U CN212845130U CN202020847090.9U CN202020847090U CN212845130U CN 212845130 U CN212845130 U CN 212845130U CN 202020847090 U CN202020847090 U CN 202020847090U CN 212845130 U CN212845130 U CN 212845130U
- Authority
- CN
- China
- Prior art keywords
- test tube
- long test
- condensation point
- point testing
- long
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a condensation point testing arrangement, including experimental box (1) and long test tube (2), the upper portion of experimental box (1) is equipped with upper cover plate (11), it holds cavity (12) to be equipped with the fluid in experimental box (1), be equipped with installation through-hole (13) on upper cover plate (11), long test tube (2) pass installation through-hole (13), the lower extreme of long test tube (2) is located the fluid and holds cavity (12), the upper end of long test tube (2) is located outside experimental box (1), long test tube (2) can stand vertically or slope, be equipped with thermometer (3) and temperature sensor (4) in long test tube (2). This condensation point testing arrangement can realize stirring, slope in the crude oil condensation point evaluation process and go on simultaneously, adopts the mode of contact probe, more can accurately survey the condensation point of crude oil.
Description
Technical Field
The utility model relates to a crude oil detection technical field, specificly a condensation point testing arrangement.
Background
The condensation point of crude oil is often used as an important index when the performance of crude oil is evaluated. After the crude oil is mined, if the wax content is high, pipe condensation is easily caused in the long-distance conveying process, after the conveying is stopped, the crude oil in the pipeline is easily condensed, the starting pressure of the wax-containing crude oil pipeline is high, and the restarting of the pipeline can be influenced. Thus, crude oils with higher wax content typically require viscosity reduction during transportation. Therefore, the produced crude oil must be given a congealing point parameter with high relative accuracy in performance evaluation. When the conventional crude oil condensation point testing pipe column reaches the vicinity of the condensation point, the testing pipe column needs to be taken out of the cooling liquid for observation, the operation often brings large errors to the evaluated data, the whole cooling system is a continuous cooling process, and wrong evaluation results are often generated when observation is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve current crude oil condensation point measuring error great, the utility model provides a condensation point testing arrangement, this condensation point testing arrangement can realize stirring, slope and go on simultaneously at crude oil condensation point evaluation in-process, adopts the mode of contact probe, more can accurately survey the condensation point of crude oil.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a condensation point testing arrangement, includes experimental box and long test tube, and the upper portion of experimental box is equipped with the upper cover plate, and the experimental box is equipped with the fluid and holds the cavity, is equipped with the installation through-hole on the upper cover plate, and long test tube passes the installation through-hole, and the lower extreme of long test tube is located the fluid and holds the cavity, and outside the upper end of long test tube was located the experimental box, long test tube can stand vertically or slope, is equipped with thermometer and temperature sensor in the long test tube.
The experimental box is connected with rabbling mechanism, and the rabbling mechanism contains motor, puddler and the stirring vane who connects gradually, and this puddler passes the upper cover plate.
The long test tube can be corresponding to horizontal plane slope 45 degrees, and the upper end of long test tube is equipped with the stopcock, and thermometer and temperature sensor all pass the stopcock, and temperature sensor's lower extreme is higher than the lower extreme of thermometer.
The thermometer and the temperature sensor are both in a strip-shaped structure, and the axis of the thermometer, the axis of the temperature sensor and the axis of the long test tube are parallel to each other.
The cover is equipped with big test tube between long test tube and the installation through-hole, and the lower extreme of big test tube is located the fluid and holds the cavity, and the upper end of big test tube is located outside the experimental box.
The axis of big test tube coincides with the axis of long test tube, and outside the upper end that the upper end of long test tube was located big test tube, the upper end and the long test tube sealing connection of big test tube.
The internal diameter of big test tube is greater than the external diameter of long test tube, forms annular cavity between big test tube and the long test tube, and big test tube can rotate the slope along with long test tube synchronization.
Be equipped with the tilting mechanism that rotates in the experimental box, rotate tilting mechanism and upper cover plate connection, rotate the tilting mechanism cover and locate outside the big test tube, rotate tilting mechanism and can make big test tube and long test tube rotation slope, it is corresponding with the position of installation through-hole to rotate tilting mechanism's position.
The rotary tilting mechanism comprises an inner fixing ring and an outer fixing ring which are sleeved with each other, the inner fixing ring is connected with the outer fixing ring through a pin shaft, the outer fixing ring is connected and fixed with the upper cover plate, the inner fixing ring can rotate by taking the pin shaft as a shaft, and the axis of the pin shaft is in a horizontal state.
The inner fixing ring is connected with a plurality of spring pieces, the spring pieces are arranged along the circumferential direction of the inner fixing ring at intervals, and the spring pieces can clamp and fix the large test tube.
The utility model has the advantages that:
1. the cooling unit realizes intelligent heat absorption, and in the temperature stagnation interval, the condensation point of the accurate observation crude oil of being convenient for, the test string (including thermometer, temperature sensor, long test tube and big test tube) need not take out from the coolant liquid and observe again and produce the error that the data evaluation brought.
2. The stirring mechanism is beneficial to realizing the uniform accumulation of wax crystals in the crude oil, the solidification of the crude oil is relatively uniform, and the phenomenon of local condensation is avoided.
3. The testing system (thermometer and temperature sensor) and the rotary tilting mechanism realize complementary evaluation, the temperature sensor adopts a temperature probe, the solidification state of crude oil is touched, the testing pipe column is directly tilted by 45 degrees in cooling liquid, the temperature probe directly detects, and the testing pipe column does not need to be taken out of the cooling liquid to cause large errors or even wrong data to an evaluation result. The temperature probe contacts the crude oil once every 2min, and when the crude oil reaches a condensation point, the temperature of the touched probe does not change any more. And observing the connected thermometer to see whether the temperature is consistent with the temperature of the touched probe. The accuracy and precision of the evaluation data are improved conveniently.
4. The evaluation result of the condensation point of the crude oil is accurate and the precision is high.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate 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 diagram of an experimental box.
Figure 2 is a laboratory box and tilt mechanism.
Fig. 3 is a schematic view of the reclining mechanism in the direction a of fig. 2.
FIG. 4 is a schematic view of a long test tube, thermometer and temperature sensor.
FIG. 5 is a schematic view of a large cuvette.
FIG. 6 is a schematic diagram of a large test tube, a long test tube, a thermometer, and a temperature sensor.
Fig. 7 is a schematic diagram of the condensation point testing device of the present invention when the tube column is upright and under the use state.
Fig. 8 is a schematic diagram of the condensation point testing device of the present invention in use and when the testing pipe column is inclined.
1. An experimental box; 2. a long test tube; 3. a thermometer; 4. a temperature sensor; 5. a stirring mechanism; 6. a large test tube; 7. a rotating tilting mechanism; 8. a pipe plug;
11. an upper cover plate; 12. a fluid-containing cavity; 13. mounting a through hole; 14. cooling liquid; 15. a notch; 16. a liquid filling port;
21. a crude oil sample to be detected;
61. alcohol; 62. a protruding section;
71. an inner fixed ring; 72. an outer retainer ring; 73. a pin shaft; 74. a spring plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a condensation point testing arrangement, including experimental box 1 and long test tube 2, the upper portion of experimental box 1 is equipped with upper cover plate 11, be equipped with the fluid in the experimental box 1 and hold cavity 12, be equipped with installation through-hole 13 on the upper cover plate 11, long test tube 2 passes installation through-hole 13, the lower extreme of long test tube 2 is located the fluid and holds cavity 12, the upper end of long test tube 2 is located outside experimental box 1, long test tube 2 can stand vertically or incline, be equipped with thermometer 3 and temperature sensor 4 in the long test tube 2, as shown in fig. 1-7.
In this embodiment, the experiment box 1 is connected with a stirring mechanism 5, the stirring mechanism 5 comprises a motor, a stirring rod and a stirring blade which are connected in sequence, the stirring rod is in an upright state, the stirring rod penetrates through the upper cover plate 11, the stirring blade is arranged at the lower end of the stirring rod, the motor can drive the stirring rod and the stirring blade to rotate, and the stirring mechanism 5 is used for stirring the cooling liquid 14 in the fluid containing cavity 12.
In this embodiment, long test tube 2 can be corresponding horizontal plane slope 45 degrees, and the contained angle between the axis of long test tube 2 and the plane promptly can be 45 degrees, as shown in fig. 8, the upper end of long test tube 2 is equipped with stopcock 8, and long test tube 2 can dismantle sealing connection with stopcock 8, and the material of stopcock 8 can be rubber, and stopcock 8 is the inverted cone platform type, and thermometer 3 and temperature sensor 4 all pass stopcock 8, and temperature sensor 4's lower extreme is higher than thermometer 3's lower extreme.
In this embodiment, the thermometer 3 and the temperature sensor 4 are both in a strip-shaped structure, the axis of the thermometer 3, the axis of the temperature sensor 4 and the axis of the long test tube 2 are parallel to each other, and both the thermometer 3 and the temperature sensor 4 can move along the axis direction of the long test tube 2. The long test tube 2, the thermometer 3 and the temperature sensor 4 are all the existing products sold in the market, and the temperature sensor 4 can be an existing contact type temperature measuring probe or an existing contact type temperature measuring probe.
In this embodiment, the cover is equipped with big test tube 6 between long test tube 2 and the installation through-hole 13, and long test tube 2 can dismantle with big test tube 6 and be connected, and long test tube 2 can separate with big test tube 6 promptly, and the lower extreme of big test tube 6 is located fluid and holds cavity 12, and the upper end of big test tube 6 is located outside experimental box 1. The axis of big test tube 6 coincides with the axis of long test tube 2, and outside the upper end that long test tube 2 is located big test tube 6, the upper end and the long test tube 2 sealing connection of big test tube 6.
In this embodiment, the internal diameter of big test tube 6 is greater than long test tube 2's external diameter, forms annular cavity between big test tube 6 and the long test tube 2, is used for holding alcohol 61 in this annular cavity, and big test tube 6's axis coincides all the time with long test tube 2's axis, and big test tube 6 can rotate the slope along with long test tube 2 is synchronous. The upper end of the large test tube 6 is internally provided with a frosted inner surface to ensure that the upper end of the large test tube 6 is connected with the long test tube 2 in a sealing way.
In this embodiment, a rotary tilting mechanism 7 is arranged in the experimental box 1, the rotary tilting mechanism 7 is connected with the upper cover plate 11, the rotary tilting mechanism 7 is sleeved outside the large test tube 6, the rotary tilting mechanism 7 can enable the large test tube 6 and the long test tube 2 to be synchronously rotated and tilted, and the position of the rotary tilting mechanism 7 corresponds to the position of the mounting through hole 13, as shown in fig. 2, 3 and 8. The upper cover plate 11 is provided with a filling opening 16.
In this embodiment, the tilt mechanism 7 includes an inner fixing ring 71 and an outer fixing ring 72 that are sleeved inside and outside, the inner fixing ring 71 and the outer fixing ring 72 are connected by a pin 73, the outer fixing ring 72 is fixed to the upper cover plate 11 by a screw, the inner fixing ring 71 can rotate around the pin 73, and an axis of the pin 73 is horizontal. The axis of the inner fixing ring 71, the axis of the outer fixing ring 72 and the axis of the mounting through hole 13 can be overlapped, an annular gap is formed between the inner fixing ring 71 and the outer fixing ring 72, and the inner diameter of the mounting through hole 13 is larger than the outer diameter of the outer fixing ring 72.
In the present embodiment, the plurality of spring pieces 74 are connected to the inner fixing ring 71, the plurality of spring pieces 74 are arranged at even intervals in the circumferential direction of the inner fixing ring 71, the spring pieces 74 are connected and fixed to the lower surface of the inner fixing ring 71, and the plurality of spring pieces 74 can clamp and fix the large test tube 6. The upper part of the large test tube 6 is provided with a convex section 62, and the outer diameter of the convex section 62 is larger than the inner diameter of the inner fixing ring 71. The thermometer 3, the temperature sensor 4, the long test tube 2, the large test tube 6, and the plug 8 constitute a test column that can move in the axial direction of the inner fixing ring 71.
In this embodiment, the upper end edge of installation through-hole 13 is equipped with breach 15, and at the in-process that big test tube 6 turned the slope, when the lower extreme of the protruding section 62 of big test tube 6 and breach 15 butt, the just corresponding horizontal plane of long test tube 2 slope 45 degrees. The experiment box 1 is also internally provided with a heating unit, a refrigerating unit and a temperature measuring unit, and the experiment box 1 can ensure that the liquid contained in the fluid containing cavity 12 is protected at a required temperature. The condensation point testing device also comprises a control unit, wherein the heating unit, the refrigerating unit, the temperature measuring unit and the temperature sensor 4 are all electrically connected with the control unit, and the control unit can be an existing computer.
The working process of the condensation point testing device is described below, namely, the method for measuring the condensation point of crude oil by adopting the condensation point testing device comprises the following steps:
step 1, uniformly heating a crude oil sample 21 to be evaluated to be tested to 50 ℃, simultaneously preheating a long test tube 2 to 50 ℃, then loading a proper amount of crude oil sample 21 to be tested into the long test tube 2, hermetically connecting a tube plug 8 with the upper end of the long test tube 2, inserting a thermometer 3 and a temperature sensor 4 into the tube plug 8, contacting the lower end of the thermometer 3 with the crude oil sample 21 to be tested, not contacting the lower end of the temperature sensor 4 with the crude oil sample 21 to be tested, adding a proper amount of alcohol into a large test tube 6, inserting the long test tube 2 into the large test tube 6 to form a test tube column, heating the test tube column loaded with the sample in a water bath to 50 ℃ for a certain time to be stable, then placing the test tube column into an experimental box 1, wherein the experimental box 1 contains a cooling liquid 14, namely, inserting the lower end of the large test tube 6 into an inner fixing ring 71 of a rotary tilting mechanism 7, and enabling the large, the spring pieces 74 clamp and fix the large test tube 6, and the lower end of the large test tube 6 enters the cooling liquid 14, so that the cooling liquid 14 in the experiment box 1 is continuously cooled and cooled, as shown in fig. 7.
And 2, evaluating the condensation point of the crude oil sample 21 to be tested in advance, manually rotating and inclining the test pipe column when the temperature of the cooling liquid 14 is estimated to reach the vicinity of the condensation point of the crude oil sample 21 to be tested, namely, the axis of the large test tube 6 is equivalent to the horizontal plane inclination, contacting the lower end of the temperature sensor 4 with the crude oil sample 21 to be tested, and when the measurement result of the temperature sensor 4 is continuous cooling within 3min, determining that the crude oil sample 21 to be tested is not solidified, and continuing the test. And when the temperature sensor 4 measures within 3min, the temperature is not changed, the condensation point of the crude oil sample 21 to be detected is considered to be reached, and the condensation point of the crude oil sample 21 to be detected is recorded for the first time.
And 3, repeating the step 1.
And 4, when the temperature of the crude oil sample 21 to be measured in the long test tube 2 is 5 ℃ higher than the primary measurement condensation point, slowly inclining the test tube, and observing the change of the temperature measured by the temperature sensor 4 when the temperature is inclined by 2 ℃. Until the temperature measured by the temperature sensor 4 does not change any more, the temperature sensor 4 is inclined to move upwards, the temperature sensor 4 is far away from the liquid level height of the crude oil sample 21 to be measured by 5-6 cm, meanwhile, the whole test pipe column is taken out, then the test pipe column is artificially inclined by 45 degrees, the numerical value of the thermometer 3 in the test pipe column and the solidification state of the inclined liquid level of the crude oil sample 21 to be measured in the long test tube 2 are observed, the whole process is controlled within 30-40 s, the temperature numerical values of the thermometer 3 and the temperature sensor 4 are observed, the error is +/-1 ℃, the numerical accuracy of the crude oil condensation point evaluation is high, the error is small, and the temperature at the moment is the final measurement solidification point of the crude oil sample 21 to be measured.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.
Claims (10)
1. The utility model provides a condensation point testing arrangement, a serial communication port, condensation point testing arrangement includes experimental box (1) and long test tube (2), the upper portion of experimental box (1) is equipped with upper cover plate (11), it holds cavity (12) to be equipped with the fluid in experimental box (1), be equipped with installation through-hole (13) on upper cover plate (11), long test tube (2) pass installation through-hole (13), the lower extreme of long test tube (2) is located fluid and holds cavity (12), the upper end of long test tube (2) is located outside experimental box (1), long test tube (2) can stand vertically or slope, be equipped with thermometer (3) and temperature sensor (4) in long test tube (2).
2. The condensation point testing device according to claim 1, wherein the experimental box (1) is connected with a stirring mechanism (5), and the stirring mechanism (5) comprises a motor, a stirring rod and a stirring blade which are connected in sequence, and the stirring rod penetrates through the upper cover plate (11).
3. The condensation point testing device according to claim 1, characterized in that the long test tube (2) can be tilted 45 degrees relative to the horizontal plane, the upper end of the long test tube (2) is provided with a plug (8), the thermometer (3) and the temperature sensor (4) both pass through the plug (8), and the lower end of the temperature sensor (4) is higher than the lower end of the thermometer (3).
4. The condensation point testing device according to claim 1, characterized in that the thermometer (3) and the temperature sensor (4) are both of an elongated configuration, and the axis of the thermometer (3), the axis of the temperature sensor (4) and the axis of the long test tube (2) are parallel to each other.
5. The condensation point testing device according to claim 1, characterized in that a large test tube (6) is sleeved between the long test tube (2) and the mounting through hole (13), the lower end of the large test tube (6) is located in the fluid containing cavity (12), and the upper end of the large test tube (6) is located outside the experimental box (1).
6. The condensation point testing device according to claim 5, characterized in that the axis of the large test tube (6) coincides with the axis of the long test tube (2), the upper end of the long test tube (2) is located outside the upper end of the large test tube (6), and the upper end of the large test tube (6) is hermetically connected with the long test tube (2).
7. The condensation point testing device according to claim 5, characterized in that the inner diameter of the large test tube (6) is larger than the outer diameter of the long test tube (2), an annular cavity is formed between the large test tube (6) and the long test tube (2), and the large test tube (6) can rotate and incline synchronously with the long test tube (2).
8. The condensation point testing device according to claim 5, characterized in that a rotary tilting mechanism (7) is arranged in the experimental box (1), the rotary tilting mechanism (7) is connected with the upper cover plate (11), the rotary tilting mechanism (7) is sleeved outside the large test tube (6), the rotary tilting mechanism (7) can enable the large test tube (6) and the long test tube (2) to rotate and tilt, and the position of the rotary tilting mechanism (7) corresponds to the position of the mounting through hole (13).
9. The condensation point testing device according to claim 8, wherein the rotary tilting mechanism (7) comprises an inner fixing ring (71) and an outer fixing ring (72) which are sleeved with each other, the inner fixing ring (71) and the outer fixing ring (72) are connected through a pin shaft (73), the outer fixing ring (72) is fixedly connected with the upper cover plate (11), the inner fixing ring (71) can rotate by taking the pin shaft (73) as a shaft, and the axis of the pin shaft (73) is in a horizontal state.
10. The condensation point testing device according to claim 9, wherein a plurality of spring pieces (74) are connected to the inner fixing ring (71), the spring pieces (74) are uniformly arranged along the circumferential direction of the inner fixing ring (71) at intervals, and the spring pieces (74) can clamp and fix the large test tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847090.9U CN212845130U (en) | 2020-05-20 | 2020-05-20 | Condensation point testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847090.9U CN212845130U (en) | 2020-05-20 | 2020-05-20 | Condensation point testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212845130U true CN212845130U (en) | 2021-03-30 |
Family
ID=75160810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020847090.9U Active CN212845130U (en) | 2020-05-20 | 2020-05-20 | Condensation point testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212845130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460126A (en) * | 2021-12-30 | 2022-05-10 | 辽宁省计量科学研究院 | Automatic tester for dropping point of lubricating grease, test tube assembly and testing method thereof |
-
2020
- 2020-05-20 CN CN202020847090.9U patent/CN212845130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460126A (en) * | 2021-12-30 | 2022-05-10 | 辽宁省计量科学研究院 | Automatic tester for dropping point of lubricating grease, test tube assembly and testing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1319028C (en) | Method and apparatus for measuring permanent set of a test cylinder | |
| CN102549440B (en) | PVT analysis of pressurized fluids | |
| BR112013004490B1 (en) | APPARATUS FOR MEASURING THERMODYNAMIC PROPERTIES OF RESERVOIR FLUIDS, AND METHOD FOR MEASURING THERMODYNAMIC PROPERTIES OF RESERVOIR FLUIDS | |
| CN212845130U (en) | Condensation point testing device | |
| CN101685058A (en) | Viscometer | |
| CN104990954B (en) | A kind of specific heat of liquid experimental measurement system | |
| CN110823739A (en) | Vacuum high-low temperature ball-disc friction wear test device and method | |
| US20060162432A1 (en) | Corrosion testing apparatus | |
| CN106769303B (en) | Oil liquid water saturation degree test device and method under different temperatures | |
| CN111982425A (en) | Lithium ion battery air tightness detection method and device | |
| CN105445316B (en) | A kind of modified pitch hot storage stability test device and method | |
| CN102494789A (en) | Device and method for measuring aluminum electrolyte temperature and liquidus temperature | |
| CN109765144A (en) | Viscosity meter mechanism and drilling fluid comprehensive performance intelligent detection and analysis system | |
| JPS6250651A (en) | Method and device for measuring turbidity point and pour point of liquid | |
| CN109596890A (en) | A kind of temperature-coefficient of electrical resistance tester | |
| CN201464391U (en) | Special core sample analysis temperature-control device | |
| CN109342493A (en) | A kind of measuring method of diesel oil wax precipitation point | |
| CN116256299B (en) | Pavement water seepage instrument for road construction monitoring and detection method | |
| CN217699245U (en) | Constant temperature system for measuring resistance temperature coefficient | |
| CA2017793C (en) | Method and apparatus for determining low temperature performance of a wax containing fuel | |
| CN218067719U (en) | Liquid fuel low-temperature performance testing device and equipment | |
| CN211825802U (en) | Water activity detection device and water activity detection tank | |
| WO2022069849A1 (en) | Analytical apparatus | |
| CN113866208B (en) | Method and system for determining condensation point of petroleum product | |
| CN111175346A (en) | Water activity detection device, water activity detection tank and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |