CN210401127U - Floating type crude oil densimeter for laboratory - Google Patents
Floating type crude oil densimeter for laboratory Download PDFInfo
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- CN210401127U CN210401127U CN201921232317.2U CN201921232317U CN210401127U CN 210401127 U CN210401127 U CN 210401127U CN 201921232317 U CN201921232317 U CN 201921232317U CN 210401127 U CN210401127 U CN 210401127U
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- laboratory
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- crude oil
- cartridge heater
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Abstract
The utility model discloses a floating crude oil densimeter is used in laboratory, including base and the barrel of setting on the base, the side of base is provided with display screen and button, is provided with the cartridge heater that is located on the base in the barrel, is provided with the heating film on the inner tube wall of cartridge heater, is provided with temperature sensor in the cartridge heater and is used for the measuring cup of splendid attire sample that awaits measuring, and the upper cover lower part of barrel is provided with force sensor, force sensor's sub-unit connection has the couple, is connected with the float that stretches into in the measuring cup through the suspension wire on the couple. The utility model discloses simple structure, reasonable in design, it is convenient to realize, can effectively use in crude oil density measurement, and the measuring result is accurate, excellent in use effect, convenient to popularize and use.
Description
Technical Field
The utility model belongs to the technical field of laboratory instrument, concretely relates to floating crude oil densimeter is used in laboratory.
Background
The performance indicators of crude oil and its products include density, viscosity, freezing point, gums and asphaltenes, sulfur content, wax precipitation point, water content, acid number, flash point, specific heat, explosion limit, and the like. For crude oils, physical properties are important indicators for assessing the quality of the crude product and controlling the refining process of the crude. The density of crude oil is the mass of crude oil per unit volume, and generally, crude oil having a low density is light. The oil density is increased along with the increase of the temperature and decreased along with the increase of the volume of the oilThe temperature should be indicated. The density at 20 ℃ specified by national standard of China (GB/T1884) is the standard density of petroleum and liquid petroleum products, and is expressed by rho 20. At present, the laboratory is used for measuring the densimeter of various crude oils and chooses water bath heating device usually for use, the glass densimeter suit of a measuring section of thick bamboo and operate, it keeps warm earlier to the oil article that awaits measuring after rising the water bath to the uniform temperature, the glass densimeter of using different range within range measures behind the constancy of temperature, treat that the densimeter is artifical to read the reading and carry out density calculation after the stable floating, because it is that water bath heating keeps warm to have temperature transfer speed slow, the defect that the heat preservation sensitivity is poor, and the glass densimeter receives external factor's interference easily at the in-process of measuring, for example, reason such as wind direction, and glass densimeter self structure has decided that it receives the damage easily, accident such as fracture, these accuracy and convenience when all can influence crude oil density measurement. In order to solve the problems in the prior art, people put forward a method for detecting the buoyancy force applied by a floater when the floater is soaked in crude oil and calculating the density of the crude oil through the stress analysis of the floater and the Archimedes principle in a laboratory, and particularly, when the floater with known volume is completely soaked in the crude oil to be detected to keep stress balance, FFloating body＝G-FPulling deviceAccording to Archimedes principle FFloating body＝ρOilgVRow board，VRow boardI.e. the float volume, and therefore the crude oil density to be measured
From the formula, by measuring the volume VRow boardKnown values of gravity G of the float and of the tension F to which it is subjected when immersed in crude oilPulling deviceThe density value of the crude oil to be detected can be calculated, but a device capable of detecting the buoyancy force received when the floater is soaked in the crude oil and a laboratory floating crude oil densimeter manufactured by the principle are lacked in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art provides a floating crude oil densimeter is used in laboratory, its simple structure, reasonable in design, and it is convenient to realize, can effectively use in crude oil density measurement, and measuring result is accurate, excellent in use effect, convenient to popularize and use.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a floating crude oil densimeter is used in laboratory, includes base and the barrel of setting on the base, the side of base is provided with display screen and button, be provided with the cartridge heater that is located on the base in the barrel, be provided with the heating film on the inner tube wall of cartridge heater, be provided with temperature sensor in the cartridge heater and be used for the measuring cup of splendid attire sample that awaits measuring, the upper cover lower part of barrel is provided with force sensor, force sensor's sub-unit connection has the couple, be connected with the float that stretches into in the measuring cup through the suspension wire on the couple.
The floating crude oil densimeter for the laboratory further comprises a controller arranged inside the base and a relay used for connecting or disconnecting a power supply loop of the heating film, the key, the temperature sensor and the tension sensor are all connected with the input end of the controller, the display screen and the relay are all connected with the output end of the controller, and the relay is connected in series in the power supply loop of the heating film.
The floating crude oil densimeter for laboratory use, the upper cover of barrel includes fixed plate and fly leaf, force sensor sets up the lower part at the fixed plate, the upper portion of fly leaf is provided with the handle, fixed plate and fly leaf pass through hinge connection.
The floating crude oil densimeter for the laboratory is characterized in that the cylinder body, the heating cylinder and the measuring cup are all made of toughened glass.
The floating crude oil densimeter for the laboratory is characterized in that the tension sensor is a resistance strain type tension sensor.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses simple structure, reasonable in design, it is convenient to realize.
2. The utility model discloses a design cartridge heater, evenly distributed heating film on the cartridge heater inner wall can carry out quick even intensification to the crude oil in the measuring cup, through temperature sensor real-time supervision cartridge heater internal temperature, makes the density measurement of crude oil more accurate.
3. The utility model discloses a design barrel makes the density measurement of crude oil be in nearly closed environment, avoids when measuring crude oil density, and external environmental factors such as external wind-force cause the influence to measuring result.
4. The utility model discloses a connect force sensor in the upper cover lower part of barrel to pass through couple and suspension wire connection float in force sensor's lower part, can measure the pulling force that the float received in gravity and the crude oil that the float received, provide data for calculating the density value of the crude oil that awaits measuring, can make the density measurement operation process of crude oil more simple and convenient easy, overcome the operating error who uses glass density timing personnel, the condition such as reading error and operational error, can improve crude oil density measurement's accuracy rate and measurement of efficiency.
5. The utility model discloses can effectively use in crude oil density measurement, the measuring result is accurate, excellent in use effect, convenient to popularize and use.
To sum up, the utility model discloses simple structure, reasonable in design realizes conveniently, can effectively use in crude oil density measurement, and measuring result is accurate, excellent in use effect, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the connection relationship between the controller and other units according to the present invention.
Description of reference numerals:
1-a base; 2, a cylinder body; 2-1-fixing plate;
2-a movable plate; 2-3-handle; 3, a display screen;
4, pressing a key; 7-heating the cylinder; 8-heating the film;
9-temperature sensor; 10-measuring cup; 11-a tension sensor;
12-hanging hooks; 13-suspension wire; 14-a float;
15-a controller; 16-relay.
Detailed Description
As shown in fig. 1, the utility model discloses a floating crude oil densimeter is used in laboratory, including base 1 and the barrel 2 of setting on base 1, the side of base 1 is provided with display screen 3 and button 4, be provided with the cartridge heater 7 that is located on the base 1 in the barrel 2, be provided with the heating film 8 on the inner tube wall of cartridge heater 7, be provided with temperature sensor 9 in the cartridge heater 7 and be used for the splendid attire to await measuring the measuring cup 10 of sample, the upper cover lower part of barrel 2 is provided with force sensor 11, force sensor 11's sub-unit connection has couple 12, be connected with the float 14 that stretches into in measuring cup 10 through suspension wire 13 on couple 12.
As shown in fig. 2, the utility model discloses still including setting up at the inside controller 15 of base 1 and the relay 16 that is used for putting through or breaking off the power supply circuit of heating film 8, button 4, temperature sensor 9 and force sensor 11 all are connected with controller 15's input, display screen 3 and relay 16 all are connected with controller 15's output, relay 16 establishes ties in the power supply circuit of heating film 8.
In specific implementation, the keys 4 comprise a clear key and a measurement key; the display screen 3 is used for displaying the temperature value detected by the temperature sensor 9 in the experimental process and displaying the measured crude oil density value.
In this embodiment, as shown in fig. 1, the upper cover of the cylinder 2 includes a fixed plate 2-1 and a movable plate 2-2, the tension sensor 11 is disposed at the lower portion of the fixed plate 2-1, the upper portion of the movable plate 2-2 is provided with a handle 2-3, and the fixed plate 2-1 and the movable plate 2-2 are connected by a hinge.
In this embodiment, the cylinder 2, the heating cylinder 7 and the measuring cup 10 are all made of tempered glass.
In this embodiment, the tension sensor 11 is a resistance strain gauge tension sensor.
When the utility model is used, firstly, the controller 15 is connected with the power supply loop of the heating film 8 through the relay 16, the temperature sensor 9 in the heating cylinder 7 monitors the temperature value in real time, when the temperature in the heating cylinder 7 reaches 20 ℃, the movable plate 2-2 of the upper cover of the cylinder 2 is opened, the float 14 with known volume is selected to be hung on the hook 12, then the measuring cup 10 is placed in the heating cylinder 7, the movable plate 2-2 of the upper cover of the cylinder 2 is closed, when the temperature value detected by the temperature sensor 9 displayed on the display screen 3 reaches the preset temperature value, the reset button in the button 4 is pressed, and the tension value collected by the tension sensor 11 is the gravity value of the float 14; then, the movable plate 2-2 of the upper cover of the cylinder 2 is opened, a crude oil sample to be measured is loaded into the measuring cup 10, the floater 14 is completely immersed in the crude oil to be measured, the movable plate 2-2 of the upper cover of the cylinder 2 is closed again, when the temperature value displayed by the display screen 3 is constant, the measuring key in the key 4 is pressed, and the tension sensor 11 acquires the tension value.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The utility model provides a laboratory is with floating crude oil densimeter which characterized in that: including base (1) and barrel (2) of setting on base (1), the side of base (1) is provided with display screen (3) and button (4), be provided with cartridge heater (7) that are located on base (1) in barrel (2), be provided with heating film (8) on the inner tube wall of cartridge heater (7), be provided with temperature sensor (9) in cartridge heater (7) and be used for splendid attire measuring cup (10) of the sample that awaits measuring, the upper cover lower part of barrel (2) is provided with force sensor (11), the sub-unit connection of force sensor (11) has couple (12), be connected with float (14) that stretch into measuring cup (10) through suspension wire (13) on couple (12).
2. A laboratory floating crude densitometer according to claim 1, wherein: the heating film heating device is characterized by further comprising a controller (15) arranged inside the base (1) and a relay (16) used for switching on or off a power supply loop of the heating film (8), wherein the keys (4), the temperature sensor (9) and the tension sensor (11) are all connected with an input end of the controller (15), the display screen (3) and the relay (16) are all connected with an output end of the controller (15), and the relay (16) is connected in series in the power supply loop of the heating film (8).
3. A laboratory floating crude densitometer according to claim 1, wherein: the upper cover of the barrel body (2) comprises a fixed plate (2-1) and a movable plate (2-2), the tension sensor (11) is arranged on the lower portion of the fixed plate (2-1), a handle (2-3) is arranged on the upper portion of the movable plate (2-2), and the fixed plate (2-1) is connected with the movable plate (2-2) through a hinge.
4. A laboratory floating crude densitometer according to claim 1, wherein: the barrel body (2), the heating barrel (7) and the measuring cup (10) are all made of toughened glass.
5. A laboratory floating crude densitometer according to claim 1, wherein: the tension sensor (11) is a resistance strain type tension sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232317.2U CN210401127U (en) | 2019-07-31 | 2019-07-31 | Floating type crude oil densimeter for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232317.2U CN210401127U (en) | 2019-07-31 | 2019-07-31 | Floating type crude oil densimeter for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401127U true CN210401127U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232317.2U Expired - Fee Related CN210401127U (en) | 2019-07-31 | 2019-07-31 | Floating type crude oil densimeter for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210401127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098266A (en) * | 2020-10-11 | 2020-12-18 | 杨启航 | Portable electronic densimeter |
| CN112255140A (en) * | 2020-10-10 | 2021-01-22 | 柳州工学院 | Intelligent liquid density detector |
-
2019
- 2019-07-31 CN CN201921232317.2U patent/CN210401127U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255140A (en) * | 2020-10-10 | 2021-01-22 | 柳州工学院 | Intelligent liquid density detector |
| CN112098266A (en) * | 2020-10-11 | 2020-12-18 | 杨启航 | Portable electronic densimeter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210731 |