CN219977643U - Pressure sampling device for demister of multifunctional desulfurization absorption tower - Google Patents
Pressure sampling device for demister of multifunctional desulfurization absorption tower Download PDFInfo
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- CN219977643U CN219977643U CN202321595592.7U CN202321595592U CN219977643U CN 219977643 U CN219977643 U CN 219977643U CN 202321595592 U CN202321595592 U CN 202321595592U CN 219977643 U CN219977643 U CN 219977643U
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- China
- Prior art keywords
- sampling
- flushing
- sampling port
- demister
- absorption tower
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- 238000005070 sampling Methods 0.000 title claims abstract description 72
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 18
- 230000023556 desulfurization Effects 0.000 title claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000006096 absorbing agent Substances 0.000 claims 2
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 230000003009 desulfurizing effect Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure sampling device of a demister of a multifunctional desulfurization absorption tower, which comprises a flange plate arranged at the upper end of a sampling tube of the demister of the desulfurization absorption tower; the flange plate is provided with a sampling port, a standard meter sampling port and a flushing port; the sampling port is connected with the differential pressure transmitter, and a quick connector is arranged on the standard meter sampling port; the flushing interface of the flange plate is connected with a flushing pipe at the side of the sampling pipe; the flushing pipe is provided with two flushing holes which are respectively arranged above the sampling port and the standard meter sampling port; the flushing interface of the flange plate is connected with a timing electromagnetic valve at the side of the differential pressure transmitter, and the other end of the timing electromagnetic valve is connected with a constant-pressure water source. The utility model relieves the technical problems that the sampling flange needs to be disassembled when the transmitter is calibrated and the data cannot be sampled when the flushing pipe flushes the sampling loop in the prior art.
Description
Technical Field
The utility model relates to the technical field of differential pressure measurement of demisters of power plants, in particular to a pressure sampling device of a demister of a multifunctional desulfurization absorption tower.
Background
The desulfurization absorption tower is required to absorb sulfides in waste gas in the thermal power plant, the demister is a part of the desulfurization absorption tower for absorbing corrosive fog drops such as limestone slurry in flue gas, the flue gas enters and exits the demister to generate differential pressure, and whether the interior of the demister is blocked can be detected by detecting the differential pressure value.
The existing differential pressure measurement of the demister adopts a differential pressure transmitter, the upper part and the lower part of the demister of a desulfurization absorption tower are respectively connected to the differential pressure transmitter through pressure guiding pipes, and the differential pressure value is given by the differential pressure transmitter, but the structure has the defects that the desulfurization absorption tower is generally tens of meters high, so that the pressure guiding pipes connected to the differential pressure transmitter through sampling ports are very long, the design of the pressure guiding pipes is often not straight, and under the micro-positive pressure measurement environment, the pressure guiding pipes are easily blocked by sundries entering the pressure guiding pipes due to the laying of long-distance multi-curve pipes, so that pressure measurement is inaccurate or even dangerous.
The prior art generally improves on the sampling loop of the differential pressure transmitter of the demister of the desulfurization absorption tower, for example, a flushing pipe is connected into the sampling loop to purge a sampling port, but the improvement needs to detach a sampling flange when the transmitter is calibrated, and data cannot be sampled when the flushing pipe is used for flushing the sampling loop.
Disclosure of Invention
The utility model aims to solve at least one technical problem and provide a pressure sampling device of a demister of a multifunctional desulfurization absorption tower.
In a first aspect, an embodiment of the present utility model provides a pressure sampling device for a demister of a multifunctional desulfurizing absorption tower, including a flange plate disposed at an upper end of a sampling tube of the desulfurizing absorption tower demister; the flange plate is provided with a sampling port, a standard meter sampling port and a flushing interface; the sampling port is connected with the differential pressure transmitter, and a quick connector is arranged on the standard meter sampling port; the flushing interface of the flange plate is connected with a flushing pipe at the side of the sampling pipe; the flushing pipe is provided with two flushing holes which are respectively arranged above the sampling port and the standard meter sampling port; the flushing interface of the flange plate is connected with a timing electromagnetic valve at the side of the differential pressure transmitter, and the other end of the timing electromagnetic valve is connected with a constant-pressure water source.
Further, the quick connector is connected with a standard pressure gauge when the differential pressure transmitter is verified.
Further, the number of the flange plates is two, and a rubber gasket is arranged between the two flange plates.
Further, the two flanges are fixed together through fixing bolts.
The utility model provides a pressure sampling device of a multifunctional desulfurizing absorption tower demister, which is characterized in that a flange is arranged at the upper end of a sampling tube of the desulfurizing absorption tower demister, and a sampling port, a standard meter sampling port and a flushing interface are arranged on the flange, so that the flushing of the sampling port is realized, the flange is not required to be disassembled during verification, a quick connector is directly used, and the technical problems that the sampling flange is required to be disassembled during the calibration of a transmitter and data cannot be sampled during the flushing of a sampling loop by a flushing tube in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the embodiments and the prior art will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the utility model and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a demister pressure sampling device for a multifunctional desulfurizing absorption tower, provided by an embodiment of the utility model;
FIG. 2 is a schematic front view of a flange according to an embodiment of the present utility model;
fig. 3 is a schematic back view of a flange according to an embodiment of the present utility model.
In the figure: 10. sampling tube, 20, ring flange, 21, sampling port, 22, standard table sampling port, 23, flushing port, 24, quick-operation joint, 25, flushing tube, 26 flushing hole, 27, timing solenoid valve, 28, rubber gasket, 29, fixing bolt, 30, differential pressure transmitter, 40, constant pressure water source.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
FIG. 1 is a side view of a demister pressure sampling device for a multifunctional desulfurizing absorption tower, according to an embodiment of the present utility model. As shown in FIG. 1, the apparatus includes a flange 20 provided at the upper end of a sampling tube 10 of a demister of a desulfurization absorption tower.
Optionally, as shown in fig. 1, the number of the flanges 20 is two, and a rubber gasket 28 is further disposed between the two flanges 20.
Alternatively, as shown in fig. 1, the two flanges 20 are fixed together by fixing bolts 29.
Fig. 2 is a schematic front view of a flange according to an embodiment of the present utility model. As shown in fig. 2, a sampling port 21, a standard meter sampling port 22 and a flushing port 23 are arranged on the flange plate 20.
As shown in fig. 1, the sampling port 21 is connected with a differential pressure transmitter 30, and the standard meter sampling port 22 is provided with a quick connector 24.
The flushing port 23 of the flange 20 is connected to a flushing pipe 25 on the sampling pipe side.
Fig. 3 is a schematic back view of a flange according to an embodiment of the present utility model. As shown in fig. 3, the flushing pipe 25 is provided with two flushing holes 26, and the two flushing holes 26 are provided at positions above the sampling port 21 and the standard meter sampling port 22, respectively.
As shown in fig. 1, the flushing port 23 of the flange 20 is connected to a timing solenoid valve 27 on the differential pressure transmitter side, and the other end of the timing solenoid valve 27 is connected to a constant pressure water source 40.
In the embodiment of the utility model, the regular flushing of the sampling port 21 and the standard meter sampling port 22 can be realized by arranging the timing electromagnetic valve 27 so as to realize the anti-blocking function.
Alternatively, in the embodiment of the present utility model, when the differential pressure transmitter 30 is calibrated, the quick connector 24 is connected with the standard pressure gauge, so that real-time comparison and calibration of the differential pressure transmitter 30 can be realized.
Alternatively, in the embodiment of the present utility model, various functions may be realized by connecting the sampling port 21 and the standard meter sampling port 22 to different meters. For example: the sampling port 21 is connected with the on-site pressure gauge, and the standard meter sampling port 22 is connected with the standard pressure gauge, so that the on-site pressure gauge can be compared and checked in real time; the sampling port 21 is connected with the differential pressure transmitter 30, and the standard meter sampling port 22 is connected with the local pressure meter, so that the functions of on-site inspection and observation of pressure and remote pressure can be realized.
Compared with the prior art, the pressure sampling device for the demister of the multifunctional desulfurization absorption tower has the following beneficial effects:
1. during flushing, the pressure measurement is not affected, nor is there a risk of damaging the transmitter, since the sampling pipe is not flushed directly.
2. The flange is not required to be disassembled during verification, the quick connector is directly used, the working efficiency is improved, and the real-time pressure measurement is not influenced during the verification.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The pressure sampling device of the demister of the multifunctional desulfurization absorption tower is characterized by comprising a flange plate arranged at the upper end of a sampling tube of the demister of the desulfurization absorption tower; the flange plate is provided with a sampling port, a standard meter sampling port and a flushing interface;
the sampling port is connected with the differential pressure transmitter, and a quick connector is arranged on the standard meter sampling port;
the flushing interface of the flange plate is connected with a flushing pipe at the side of the sampling pipe; the flushing pipe is provided with two flushing holes which are respectively arranged above the sampling port and the standard meter sampling port;
the flushing interface of the flange plate is connected with a timing electromagnetic valve at the side of the differential pressure transmitter, and the other end of the timing electromagnetic valve is connected with a constant-pressure water source.
2. The multi-functional desulfurization absorber tower defroster pressure sampling device of claim 1 wherein: when the differential pressure transmitter is verified, the quick connector is connected with a standard pressure gauge.
3. The multi-functional desulfurization absorber tower defroster pressure sampling device of claim 1 wherein: the number of the flange plates is two, and a rubber gasket is arranged between the two flange plates.
4. The pressure sampling device for a demister of a multifunctional desulfurization absorption tower according to claim 3, wherein: the two flanges are fixed together through fixing bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595592.7U CN219977643U (en) | 2023-06-21 | 2023-06-21 | Pressure sampling device for demister of multifunctional desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595592.7U CN219977643U (en) | 2023-06-21 | 2023-06-21 | Pressure sampling device for demister of multifunctional desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977643U true CN219977643U (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321595592.7U Active CN219977643U (en) | 2023-06-21 | 2023-06-21 | Pressure sampling device for demister of multifunctional desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977643U (en) |
-
2023
- 2023-06-21 CN CN202321595592.7U patent/CN219977643U/en active Active
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