CN220872437U - Light hydrocarbon full-component on-line analysis device - Google Patents
Light hydrocarbon full-component on-line analysis device Download PDFInfo
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- CN220872437U CN220872437U CN202322318219.3U CN202322318219U CN220872437U CN 220872437 U CN220872437 U CN 220872437U CN 202322318219 U CN202322318219 U CN 202322318219U CN 220872437 U CN220872437 U CN 220872437U
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- sampling bottle
- light hydrocarbon
- piston
- electric push
- push rod
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 35
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 35
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 33
- 238000004458 analytical method Methods 0.000 title claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a light hydrocarbon full-component online analysis device, which comprises a sampling bottle; the sampling bottle is vertically and fixedly arranged in the temperature control box; an input port is arranged at the lower end of the sampling bottle; a piston is arranged in the sampling bottle, the upper end of the piston is fixedly connected with a piston rod, and the upper end of the piston rod extends out of the top end of the sampling bottle and is connected with a telescopic rod of an electric push rod; a pressure sensor is arranged on the side wall of the sampling bottle; the pressure sensor is electrically connected with the controller of the electric push rod; a plurality of output ports are arranged on the side wall of the sampling bottle; each of the output ports is connected to a detection device by a pipeline. The utility model has the sampling bottle with automatic control of pressure and temperature, and ensures the stability of the obtained sample; and moreover, a plurality of detection devices can work simultaneously, repeated data can be conveniently and rapidly obtained, and the analysis and detection efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of light hydrocarbon detection, and particularly relates to a light hydrocarbon full-component online analysis device.
Background
Saturated vapor pressure is an important quality index for stabilizing light hydrocarbons. Since light hydrocarbons are extremely easily vaporized at normal temperature and pressure, the measurement of saturated vapor pressure is extremely sensitive to the evaporation loss of a sample and the change of components, and the pressure and temperature change needs to be closely focused during the preservation and sampling of the light hydrocarbon sample, necessary measures and careful operation must be taken in the analysis operation. For example, as shown in Chinese patent publication No. CN115586043A, a sampling method and device for measuring saturated vapor pressure of stable light hydrocarbon provides isothermal control measure of heat preservation balance base for samples. Also, for example, as shown in chinese patent publication No. CN205538867U, an automatic sample injection light hydrocarbon component analyzer, a preheater is provided to release the sample vapor.
It is known that light hydrocarbon component analysis generally employs gas chromatography, and in order to obtain reliable light hydrocarbon component data, the obtained data is required to have reproducibility and reproducibility according to a standard stable light hydrocarbon component analysis method. That is, multiple detection analyses are required for the same sample, or detection analyses are performed on the same sample by multiple different operators; an arithmetic average of a plurality of detection values is used as a detection result, and a deviation of each detection value is required to be within a certain range. The light hydrocarbon analysis and detection process is complicated, the consumed time is long, and the mode of detecting one sample by one is low in efficiency.
Disclosure of Invention
In order to overcome the defects in the background technology, the utility model provides an on-line analysis device for light hydrocarbon full components, and aims to design a sampling bottle with automatic pressure and temperature control so as to ensure the stability of an obtained sample; and set up a plurality of outputs on the sample bottle to satisfy a plurality of detection device simultaneous workings, improve the efficiency of analysis detection.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an on-line analysis device for light hydrocarbon full components comprises a sampling bottle; the sampling bottle is vertically and fixedly arranged in the temperature control box; an input port is arranged at the lower end of the sampling bottle and used for acquiring a light hydrocarbon sample; a piston is arranged in the sampling bottle, the upper end of the piston is fixedly connected with a piston rod, and the upper end of the piston rod extends out of the top end of the sampling bottle and is connected with a telescopic rod of an electric push rod for driving the piston to move up and down; the electric push rod is fixedly connected to the top of the temperature control box; the side wall of the sampling bottle is provided with a pressure sensor for detecting the internal pressure of the sampling bottle; the pressure sensor is electrically connected with the controller of the electric push rod and is used for controlling the piston to move up and down according to the pressure; a plurality of output ports are arranged on the side wall of the sampling bottle; each output port is connected with a detection device through a pipeline; the detection device is used for detecting and analyzing components in the light hydrocarbon sample.
As a further optimization, valves are arranged on the input port and the output port.
As a further optimization, the temperature control box is provided with a refrigeration device for refrigerating the sampling bottle.
As a further optimization, the number of output ports is 3 to 6.
As a further optimization, the body of the electric push rod is arranged on the top wall at the outer side of the temperature control box, and the telescopic rod of the electric push rod penetrates through the top wall downwards to be connected with the piston rod.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The sampling bottle is arranged in the temperature control box, and the temperature and the pressure of the sample in the bottle are always stable due to the combined action of the pressure sensor and the piston, so that the stability of the sample is improved;
(2) The multiple output ports play a role in repeatability verification, and on the other hand, the detection efficiency is improved;
(3) The device can be used as vehicle-mounted equipment, can perform mobile operation, is flexible and convenient to use.
In a word, the embodiment has the sampling bottle with automatic control of pressure and temperature, so that the stability of the obtained sample is ensured; and moreover, a plurality of detection devices can work simultaneously, repeated data can be conveniently and rapidly obtained, and the analysis and detection efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.
The corresponding relation between the technical characteristics and the reference numerals in the drawings is as follows: a sampling bottle 1; an input port 11; an output port 12; a valve 13; a temperature control box 2; a piston 3; a piston rod 31; an electric push rod 32; a pressure sensor 4; line 5; and a detection device 6.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments thus described are only some, but not all, of the preferred embodiments of the present utility model. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1: please refer to fig. 1;
The utility model provides the following technical scheme: an on-line analysis device for light hydrocarbon full components comprises a sampling bottle 1; the sampling bottle 1 is vertically and fixedly arranged in the temperature control box 2; an input port 11 is arranged at the lower end of the sampling bottle 1 and is used for acquiring a light hydrocarbon sample; a piston 3 is arranged in the sampling bottle 1, the upper end of the piston 3 is fixedly connected with a piston rod 31, the upper end of the piston rod 31 extends out of the top end of the sampling bottle 1 and is connected with a telescopic rod of an electric push rod 32, and the telescopic rod is used for driving the piston 3 to move up and down; the electric push rod 32 is fixedly connected to the top of the temperature control box 2; the side wall of the sampling bottle 1 is provided with a pressure sensor 4 for detecting the internal pressure of the sampling bottle 1; the pressure sensor 4 is electrically connected with the controller of the electric push rod 32, and is used for controlling the piston 3 to move up and down according to the pressure; a plurality of output ports 12 are arranged on the side wall of the sampling bottle 1; each of said output ports 12 is connected by a line 5 to a detection device 6; the detection device 6 is used for detecting and analyzing components in the light hydrocarbon sample.
The working principle is that the light hydrocarbon sample to be detected is input into the sampling bottle 1 through the input port 11, and in an exemplary mode, the piston 3 moves upwards in the process of inputting the sample, so as to play a role in extracting the sample. Then, under the action of the temperature control box 2, controlling the temperature in the box and controlling the temperature of the light hydrocarbon sample; during storage, the upper and lower positions of the piston 3 are automatically regulated according to the pressure value of the pressure sensor 4 so as to control the pressure of the light hydrocarbon sample; therefore, the pressure and the temperature of the light hydrocarbon sample in the sampling bottle 1 can be kept stable. During detection operation, a plurality of detection devices 6 can be simultaneously detected by utilizing a plurality of output ports 12, and each detection device 6 is operated by an operator to achieve the effect of multi-person operation, so that on one hand, the effect of repeatability verification is achieved, and on the other hand, the detection efficiency is improved. The detection device 6 analyzes and detects the light hydrocarbon component by a commonly used gas chromatography. It can be seen that the detecting device 6 is provided with a quantitative extracting device for quantitatively extracting the sample from the sampling bottle 1; heating means are also provided to heat and evaporate a quantified sample for separation by a chromatographic column, followed by component detection. Electronic pressure sensors are commonly used, and electrical pressure value signals have been obtained.
For ease of control, valves 13 are provided on both the input port 11 and the output port 12 so that all of the input port 11 and the output port 12 can be controlled individually.
In order to control the temperature of the sample, avoiding excessive temperatures, the temperature control box 2 is provided with a refrigeration device for refrigerating the sampling bottle 1.
The number of the output ports 12 can be set according to the needs to meet the use needs, and the number of the output ports 12 is 3 to 6, which is an exemplary, more common; this embodiment uses 3.
In order to facilitate maintenance, the body of the electric push rod 32 is mounted on the top wall outside the temperature control box 2, and the telescopic rod of the electric push rod passes through the top wall downwards to be connected with the piston rod 31. It can be seen that the electric push rod 32 is disposed outside the box for convenient maintenance.
In use, the incubator 2, the sampling bottle 1, and the detection device 6 are each provided as an in-vehicle apparatus on a vehicle, while an operator is also seated on the vehicle, for example. The vehicle is used as a mobile detection unit, can perform mobile sampling detection at different sampling points, further improves the working efficiency, reduces the storage and transfer of light hydrocarbon samples, and has higher quality of light hydrocarbon component detection. When the detection is started, each detection device 6 extracts a sample in the sampling bottle 1, the pressure in the bottle is reduced, the pressure sensor 4 captures a pressure reduction signal, and according to the signal, the electric push rod 32 pushes the piston 3 to move downwards so as to keep the pressure stable, so that the pressure and the temperature in the sampling bottle 1 can be kept stable no matter whether the work of each detection device 6 is synchronous or not, and further, an operator can detect the pressure and the temperature one by one through different detection devices 6 to obtain repeatability data so as to verify the reliability of the component data.
The advantages of this embodiment are:
(1) The sampling bottle 1 is arranged in the temperature control box 2, and the temperature and pressure of the sample in the bottle are always kept stable due to the action of the pressure sensor 4 and the piston 3, so that the stability of the sample is improved;
(2) The plurality of output ports 12 play a role in repeatability verification, and on the other hand, the detection efficiency is improved;
(3) The device can be used as vehicle-mounted equipment, can perform mobile operation, is flexible and convenient to use.
In summary, the embodiment has the sampling bottle 1 with automatic control of pressure and temperature, which ensures the stability of the obtained sample; and can satisfy a plurality of detection device 6 simultaneous working, be convenient for obtain repeatability data fast, improved analysis detection's efficiency.
The utility model has not been described in detail in the prior art; it should be understood by those skilled in the art that any combination of the features of the foregoing embodiments may be adopted, and that all possible combinations of the features of the foregoing embodiments are not described for brevity of description, however, such combinations are not to be considered as a contradiction between the features. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. An on-line analysis device for light hydrocarbon full components comprises a sampling bottle (1); the method is characterized in that: the sampling bottle (1) is vertically and fixedly arranged in the temperature control box (2); an input port (11) is arranged at the lower end of the sampling bottle (1) and is used for acquiring a light hydrocarbon sample;
A piston (3) is arranged in the sampling bottle (1), the upper end of the piston (3) is fixedly connected with a piston rod (31), the upper end of the piston rod (31) extends out of the top end of the sampling bottle (1) and is connected with a telescopic rod of an electric push rod (32), and the electric push rod (32) is fixedly connected to the top of the temperature control box (2) and is used for driving the piston (3) to move up and down;
A pressure sensor (4) is arranged on the side wall of the sampling bottle (1) and is used for detecting the internal pressure of the sampling bottle (1); the pressure sensor (4) is electrically connected with a controller of the electric push rod (32) and is used for controlling the piston (3) to move up and down according to the pressure;
A plurality of output ports (12) are arranged on the side wall of the sampling bottle (1); each of said output ports (12) is connected to a detection device (6) by means of a line (5); the detection device (6) is used for detecting and analyzing components in the light hydrocarbon sample.
2. The light hydrocarbon full-component on-line analysis device according to claim 1, wherein: valves (13) are arranged on the input port (11) and the output port (12).
3. The light hydrocarbon full-component on-line analysis device according to claim 1, wherein: the temperature control box (2) is provided with refrigeration equipment and is used for refrigerating the sampling bottle (1).
4. The light hydrocarbon full-component on-line analysis device according to claim 1, wherein: the number of output ports (12) is 3 to 6.
5. The light hydrocarbon full-component on-line analysis device according to claim 1, wherein: the body of the electric push rod (32) is arranged on the top wall at the outer side of the temperature control box (2), and the telescopic rod of the electric push rod downwards penetrates through the top wall to be connected with the piston rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318219.3U CN220872437U (en) | 2023-08-28 | 2023-08-28 | Light hydrocarbon full-component on-line analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318219.3U CN220872437U (en) | 2023-08-28 | 2023-08-28 | Light hydrocarbon full-component on-line analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872437U true CN220872437U (en) | 2024-04-30 |
Family
ID=90819621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322318219.3U Active CN220872437U (en) | 2023-08-28 | 2023-08-28 | Light hydrocarbon full-component on-line analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872437U (en) |
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2023
- 2023-08-28 CN CN202322318219.3U patent/CN220872437U/en active Active
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