CN214551281U - Device suitable for stable measurement of rectification high-pressure column differential pressure - Google Patents
Device suitable for stable measurement of rectification high-pressure column differential pressure Download PDFInfo
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- CN214551281U CN214551281U CN202120535202.1U CN202120535202U CN214551281U CN 214551281 U CN214551281 U CN 214551281U CN 202120535202 U CN202120535202 U CN 202120535202U CN 214551281 U CN214551281 U CN 214551281U
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Abstract
The utility model relates to a rectifying column instrument technical field, in particular to device suitable for stable measurement of rectification high-pressure column differential pressure, including the rectifying column, still include connecting pipe I and connecting pipe II, connecting pipe I's one end is inserted and is established the upper portion of rectifying column, the other end is connected with manometer I, connecting pipe II's one end is inserted and is established the lower part of rectifying column, the other end is connected with manometer II, control system is connected with manometer I and manometer II, calculate the difference to the pressure value that manometer I and manometer II measured, power module and control system, manometer I and manometer II electricity are connected. The utility model discloses a set up manometer I and manometer II, directly measure the upper portion of rectifying column and the pressure of lower part, solved longer pressure guide pipeline and leaded to the big problem of measuring result deviation, improved the accuracy of testing result, the practicality is strong, is worth promoting.
Description
Technical Field
The utility model relates to a rectifying column instrument technical field, in particular to device suitable for rectifying high-pressure column differential pressure stability measurement.
Background
In chemical production application, a rectifying tower is mainly used for realizing high-purity separation of solution components and purification of products, and the differential pressure of the rectifying tower is a main factor for measuring the gas load in the tower and is one of important signs for judging whether feeding and discharging are balanced in rectifying operation.
An integrated differential pressure gauge is often used for measuring the differential pressure of the rectification high-pressure tower, the integrated differential pressure gauge is connected with a tower top pressure guiding pipe and a tower bottom pressure guiding pipe, but the distance from the tower top to the tower bottom is long, and the change of the outside air temperature directly influences the fluidity of a medium in the long-distance transmission process, so that the measurement is inaccurate; when the purity of the medium is not high, two or more media which are not mutually fused are easily coated on the inner wall of the pressure-leading pipe, so that the pipeline is blocked and the pressure cannot be conducted; the long-distance transmission easily causes medium gas-liquid two phases in the pipeline, and causes fluctuation or deviation of measured values to be increased, so a device suitable for stably measuring the differential pressure of the rectification high-pressure tower is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide a device suitable for rectification high-pressure column differential pressure stability measurement.
The technical scheme of the utility model is that:
including the rectifying column, still include:
one end of the pressure guide pipe I is inserted in the upper part of the rectifying tower, and the other end of the pressure guide pipe I is connected with a pressure gauge I;
one end of the pressure guide pipe II is inserted into the lower part of the rectifying tower, and the other end of the pressure guide pipe II is connected with a pressure gauge II;
the control system is connected with the pressure gauge I and the pressure gauge II;
and the power supply module is electrically connected with the control system, the pressure gauge I and the pressure gauge II.
The device also comprises a root valve which is arranged on the pressure guide pipe I and the pressure guide pipe II.
Wherein, the control system is a DCS system which is connected with a DCS engineer station.
Compared with the prior art, the utility model provides a pair of device suitable for rectification high-pressure column differential pressure stability measurement, its beneficial effect is:
1. the utility model discloses a set up manometer I and manometer II, directly measure the upper portion of rectifying column and the pressure of lower part, solved longer pressure guide pipeline and leaded to the big problem of measuring result deviation, improved the accuracy of testing result.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1. a rectifying tower; 2. a pressure guide pipe I; 3. a root valve; 4. a pressure gauge I; 5. a DCS system; 6. DCS engineer station.
Detailed Description
An embodiment of the present invention will be described in detail with reference to fig. 1, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1, the utility model provides a pair of device suitable for rectification high-pressure tower differential pressure stability measurement, including rectifying column 1, still include connecting pipe I2 and connecting pipe II, connecting pipe I2's one end is inserted and is established on rectifying column 1's upper portion, the other end is connected with manometer I4, connecting pipe II's one end is inserted and is established in rectifying column 1's lower part, the other end is connected with manometer II, control system is connected with manometer I4 and manometer II, calculate the difference to the pressure value that manometer I4 and manometer II measured, power module and control system, manometer I4 and manometer II electricity are connected.
Preferably, still include root valve 3, set up on pressure pipe 2, dismantle the manometer when conveniently maintaining the timing to measuring device.
Preferably, the control system is a DCS system 5 which is connected with the two pressure gauges 4, the DCS system 5 is connected with a DCS engineer station 6, and the DCS engineer station 6 is used for controlling the DCS system, displaying data measured by the pressure gauge I4 and the pressure gauge II and displaying a differential pressure value.
Principle of operation
The utility model discloses during the use, be connected manometer I4 with the connecting pipe I2 on rectifying column upper portion, manometer II is connected with the connecting pipe II of rectifying column lower part, and manometer I4 and manometer II convey the data transfer who records to DCS system 5, and DCS engineer station 6 controls the DCS system and calculates the differential pressure that reachs rectifying column 1 to the data that record, and the computational logic is: pressure gauge II-pressure gauge I4-total column differential pressure value, which is displayed in the DCS engineer station 6.
To sum up, compare with prior art, the utility model discloses a device suitable for rectification high-pressure column differential pressure stability measurement measures the pressure at the top of the tower through using manometer I, uses manometer II to measure the pressure at the bottom of the tower, and the DCS system calculates to two measured data and reachs the difference promptly for full tower differential pressure value, has solved longer pressure guide pipeline and has leaded to the big problem of measuring result deviation, has improved the accuracy of testing result, the utility model discloses simple structure, the practicality is strong, is worth promoting.
The above disclosure is only one specific embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a device suitable for stable measurement of rectification high-pressure column differential pressure, includes rectifying column (1), its characterized in that still includes:
one end of the pressure guide pipe I (2) is inserted into the upper part of the rectifying tower (1), and the other end of the pressure guide pipe I is connected with a pressure gauge I (4);
one end of the pressure guide pipe II is inserted into the lower part of the rectifying tower (1), and the other end of the pressure guide pipe II is connected with a pressure gauge II;
the control system is connected with the pressure gauge I (4) and the pressure gauge II;
and the power supply module is electrically connected with the control system, the pressure gauge I (4) and the pressure gauge II.
2. The device for measuring the differential pressure stability of the rectifying high-pressure tower is characterized by further comprising a root valve (3) arranged on the pressure guide pipe I (2) and the pressure guide pipe II according to claim 1.
3. The device for the stable measurement of the differential pressure of the rectifying high-pressure tower is characterized in that the control system is a DCS (5), and the DCS (5) is connected with a DCS engineer station (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535202.1U CN214551281U (en) | 2021-03-15 | 2021-03-15 | Device suitable for stable measurement of rectification high-pressure column differential pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535202.1U CN214551281U (en) | 2021-03-15 | 2021-03-15 | Device suitable for stable measurement of rectification high-pressure column differential pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214551281U true CN214551281U (en) | 2021-11-02 |
Family
ID=78319838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120535202.1U Active CN214551281U (en) | 2021-03-15 | 2021-03-15 | Device suitable for stable measurement of rectification high-pressure column differential pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214551281U (en) |
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2021
- 2021-03-15 CN CN202120535202.1U patent/CN214551281U/en active Active
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