CN219657223U - Desulfurization slurry PH meter sampling device and desulfurization system - Google Patents
Desulfurization slurry PH meter sampling device and desulfurization system Download PDFInfo
- Publication number
- CN219657223U CN219657223U CN202320427796.3U CN202320427796U CN219657223U CN 219657223 U CN219657223 U CN 219657223U CN 202320427796 U CN202320427796 U CN 202320427796U CN 219657223 U CN219657223 U CN 219657223U
- Authority
- CN
- China
- Prior art keywords
- slurry
- meter
- pipe
- desulfurization
- straight line
- 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
- 239000002002 slurry Substances 0.000 title claims abstract description 150
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 43
- 230000023556 desulfurization Effects 0.000 title claims abstract description 43
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 26
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 17
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the field of instruments and meters, and discloses a desulfurization slurry PH meter sampling device and a desulfurization system, wherein the desulfurization slurry PH meter sampling device comprises a slurry discharging pipeline and a measurement pipeline, wherein the slurry discharging pipeline extends along the horizontal direction and is provided with a slurry inlet and a slurry outlet at two ends; the measuring pipe is connected to the pulp discharge pipe and extends upwards from the pulp discharge pipe in the vertical direction; the first valve is provided on the slurry discharge pipe and is operable to regulate a flow rate of slurry flowing through the measurement pipe, wherein a PH meter for measuring a PH value of the slurry flowing through the measurement pipe is mountable on the measurement pipe. The utility model allows the slurry to be conveyed from the slurry inlet to the measuring pipeline, the PH value of the slurry is detected by the PH meter, when the flow rate of the slurry is overlarge, a part of the slurry is discharged from the slurry discharging pipeline by the first valve, and then the flow rate of the slurry flowing through the PH meter is regulated, so that the PH meter is always under the normal working condition, and the purposes of preventing the slurry from overflowing and accurately measuring are achieved.
Description
Technical Field
The utility model relates to the field of instruments and meters, in particular to a sampling device of a desulfurization slurry PH meter and a desulfurization system.
Background
In a desulfurization system of a power plant, a PH meter is generally used to measure the change of the PH value in a desulfurization tower. However, when desulfurization is performed, alkaline matters such as calcium carbonate or sodium hydroxide are added into the desulfurization solution, impurities (gypsum crystal particles, limestone particles, silt particles and the like) can appear in the desulfurization slurry for a long time to wash out the PH electrode, so that the service life of the PH electrode is shortened, and the flow rate of the slurry is slowed down by adopting a PH buffer box, so that the service life of the PH electrode is prolonged.
At present, when the PH buffer box is adopted to slow down the slurry flow rate, the orifice plate is installed at the inlet position of the PH buffer box for flow adjustment, but the conventional PH buffer box measurement pipeline has the following defects:
(1) The slurry flow rate is low, the slurry is deposited in a pipeline, the measured data of the PH meter is gradually increased and deviates from the true value;
(2) The slurry flow rate is higher, and when the PH meter is washed regularly, the flow is increased suddenly because the washing water pressure is far higher than the slurry pressure, and the problem of slurry overflow exists.
Therefore, it is needed to provide a solution to the problems of environmental pollution caused by slurry overflow during the time flushing of the PH meter and deviation of the measured data of the PH meter from the actual value due to the too high or too low flow rate of the slurry regulated by the PH buffer tank.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, when a PH meter is washed regularly due to too high or too low flow rate of slurry regulated by a PH buffer box, the slurry overflows to cause environmental pollution and the measured data of the PH meter deviate from the true value.
In order to solve the above technical problems, an aspect of the present utility model provides a sampling device for a desulfurization slurry PH meter, including: a slurry discharge pipe extending in a horizontal direction and having a slurry inlet and a slurry outlet at both ends; a measurement duct connected to a portion of the slurry discharge duct between the slurry inlet and the slurry outlet and extending upward from the slurry discharge duct in a vertical direction; and a first valve provided on the slurry discharge pipe and operable to adjust a flow rate of slurry flowing through the measurement pipe, wherein a PH meter for measuring a PH value of slurry flowing through the measurement pipe can be installed on the measurement pipe.
Preferably, the top end of the measuring pipe is provided with a connection flange, the PH meter is mounted to the top end of the measuring pipe through the connection flange, and the PH meter has an electrode extending into the measuring pipe.
Preferably, the slurry discharging device further comprises a slurry discharging pipeline which is connected with the measuring pipeline in a bypass mode, wherein the slurry discharging pipeline comprises a first straight line section, an inlet end of the first straight line section is communicated with the measuring pipeline, and the lowest position of the inlet end is not lower than the bottommost end of the electrode.
Preferably, the slurry outlet pipeline further comprises a second straight line segment, and the second straight line segment is respectively communicated with the first straight line segment and the slurry outlet of the slurry outlet pipeline.
Preferably, the outlet end of the second straight line segment is connected to a row of trenches.
Preferably, the first straight line segment and the second straight line segment are communicated through an elbow.
Preferably, the slurry discharge conduit comprises a third straight line section extending between the measurement conduit and the slurry outlet and a fourth straight line section extending between the slurry inlet and the measurement conduit, the first valve being arranged on the third straight line section.
Preferably, the fourth straight line segment is provided with a second valve.
Preferably, the portion of the fourth straight line segment downstream of the second valve is flanked by a flushing line.
The second aspect of the utility model provides a desulfurization system, which comprises a desulfurization tower and the desulfurization slurry PH meter sampling device, wherein the desulfurization slurry PH meter sampling device is communicated to the desulfurization tower through the slurry inlet.
According to the technical scheme, the sampling device for the desulfurization slurry PH meter is manufactured by the pipeline in a remaking mode, the measuring pipeline is communicated with the slurry discharging pipeline and extends upwards from the slurry discharging pipeline along the vertical direction, so that slurry is conveyed to the measuring pipeline through the slurry inlet via the slurry discharging pipeline, the PH value of the slurry is detected by the PH meter, when the flow rate of the slurry is overlarge, a part of the slurry is discharged from the slurry discharging pipeline by the first valve, and then the flow rate of the slurry of the PH meter is regulated, so that the PH meter is always under the normal working condition, and the purposes of preventing the slurry from overflowing and accurately measuring are achieved.
Drawings
FIG. 1 is a schematic diagram showing the structure of one embodiment of a sampling device for a desulfurization slurry PH meter according to the present utility model;
FIG. 2 is a partial cross-sectional view of the sampling device of the desulfurization slurry PH meter of FIG. 1.
Description of the reference numerals
1. Measuring pipeline of slurry discharging pipeline 2
3. First valve 4 second valve
5 PH meter 6 connecting flange
7. Electrode 8 slurry outlet pipeline
81. First straight line segment 82 second straight line segment
13. Third straight line segment 14 fourth straight line segment
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the embodiments described herein are only some, but not all, embodiments of the utility model. 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.
In the present utility model, unless otherwise indicated, the use of directional terms such as "upper, lower" and the like indicate a direction or a positional relationship based on that shown in the drawings, merely for convenience of description of the present design and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present design.
In the description of the present design, it should be noted that, unless explicitly specified and limited otherwise, the terms "provided with," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this design will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, in one aspect, the present utility model provides a sampling apparatus for a desulfurization slurry PH meter, comprising: a slurry discharge pipe 1 extending in a horizontal direction and having a slurry inlet and a slurry outlet at both ends; a measuring pipe 2 connected to a portion of the slurry discharge pipe 1 between the slurry inlet and the slurry outlet and extending upward from the slurry discharge pipe 1 in a vertical direction; a first valve 3, which first valve 3 is arranged on the discharge conduit 1 and can be operated to regulate the flow of slurry through the measuring conduit 2, wherein a PH meter 5 for measuring the PH of the slurry flowing through the measuring conduit 2 can be mounted on the measuring conduit 2. Wherein the measuring pipe 2 can be connected to the pulp discharging pipe 1 by welding, flange connection or the like, or the measuring pipe 2 and the pulp discharging pipe 1 can be communicated with each other by a three-way joint.
The slurry enters the slurry discharge pipeline 1 through the slurry inlet, when the flow rate of the slurry is uniform, the slurry is conveyed to the measurement pipeline 2, meanwhile, a PH meter 5 for measuring the PH value of the slurry flowing through the measurement pipeline 2 is arranged on the measurement pipeline 2, and the PH meter 5 is used for detecting the PH value of the slurry. When the slurry flow rate is overlarge, the slurry flow rate can be adjusted by adjusting the first valve 3 on the slurry discharge pipeline 1, so that redundant slurry is discharged from the slurry outlet through the first valve 3, the operation working condition of the PH meter in the measurement pipeline is improved, the PH meter 5 on the measurement pipeline 2 is ensured to be always kept under the normal working condition for detection, and the purposes of preventing the slurry from overflowing and accurately measuring are achieved.
Wherein, according to one embodiment of the present utility model, as shown in fig. 2, the top end of the measuring pipe 2 is provided with a connecting flange 6, the PH meter 5 is mounted to the top end of the measuring pipe 2 through the connecting flange 6, and the PH meter 5 has an electrode 7 extending into the measuring pipe 2, so that when slurry is conveyed from the slurry inlet through the slurry discharging pipe 1 into the measuring pipe 2, the slurry will contact with the electrode 7 of the PH meter 5 disposed in the measuring pipe 2, thereby detecting the PH value of the slurry.
Further, the slurry outlet pipe 8 is connected with the measuring pipe 2 in a bypass mode, the slurry outlet pipe 8 comprises a first straight line segment 81, an inlet end of the first straight line segment 81 is communicated with the measuring pipe 2, and the lowest position of the inlet end is not lower than the bottommost end of the electrode 7. As shown in fig. 2, after the slurry is in contact with the electrode 7 of the PH meter 5 for detection, the slurry is conveyed to the first straight line section 81 of the slurry outlet pipe 8, and the lowest position of the inlet end of the first straight line section 81 and the lowest end of the electrode 7 are located at the same level, so that the problems of inaccurate measurement of the PH meter or blockage of the measurement pipe caused by too much or too little slurry stored in the measurement pipe 2 can be prevented.
Further, the pulp outlet pipe 8 further comprises a second straight line segment 82, and the second straight line segment 82 is respectively communicated with the first straight line segment 81 and the pulp outlet of the pulp outlet pipe 1. It will be appreciated that the slurry delivered to the first straight line section 81 via the measuring conduit 2 and the slurry directly discharged via the slurry outlet of the slurry discharge conduit 1 may be collected in the second straight line section 82, and the outlet end of the second straight line section 82 is connected to the discharge trench, i.e. the slurry collected in the second straight line section 82 will be discharged to the trench.
Further, the first straight line section 81 and the second straight line section 82 are communicated through an elbow, so that slurry is conveyed from the first straight line section 81 to the second straight line section 82 more smoothly.
Wherein, according to one embodiment of the utility model, as shown in fig. 1, the pulp discharge pipe 1 comprises a third straight line section 13 extending between the measuring pipe 2 and the pulp outlet and a fourth straight line section 14 extending between the pulp inlet and the measuring pipe 2, and the first valve 3 is arranged on the third straight line section 13. So set up, when the thick liquid velocity of flow is great, can open first valve 3, adjust the thick liquid velocity of flow, discharge unnecessary thick liquid from the thick liquid export through third straightway 13, prevent that a large amount of thick liquids from getting into measuring pipeline 2, cause the destruction to PH meter 5. Wherein the first valve 3 may be a butterfly valve.
Further, as shown in fig. 1, the second valve 4 is disposed on the fourth straight line segment 14, and a flushing pipeline (not shown in the drawing) is connected to the portion of the fourth straight line segment 14 located downstream of the second valve 4, the second valve 4 can be operated to switch between an open state and a closed state, and in the closed state, slurry can be prevented from entering the slurry discharging pipeline 1 from the slurry inlet, at this time, water in the flushing pipeline can be introduced into the slurry discharging pipeline 1 and the measuring pipeline 2, so that the PH meter 5 and the slurry discharging pipeline 1 can be injected with water and flushed during calibration and maintenance of the PH meter 5, and deposition scaling or even blockage of slurry in the pipeline can be prevented.
A second aspect of the present utility model provides a desulfurization system comprising a desulfurization tower (not shown) and a desulfurization slurry PH meter sampling device, the desulfurization slurry PH meter sampling device being connected to the desulfurization tower through a slurry inlet, so that slurry in the desulfurization tower can smoothly flow into the desulfurization slurry PH meter sampling device, so that a subsequent PH meter 5 measures the PH value of the slurry.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. The technical solution of the utility model can be subjected to a plurality of simple variants within the scope of the technical idea of the utility model. Including the various specific features being combined in any suitable manner. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. A desulfurization slurry PH meter sampling device, comprising:
a slurry discharge pipe (1), the slurry discharge pipe (1) extending in a horizontal direction and having a slurry inlet and a slurry outlet at both ends;
a measuring pipe (2), which measuring pipe (2) is connected to a portion of the slurry discharge pipe (1) between the slurry inlet and the slurry outlet and extends upward from the slurry discharge pipe (1) in a vertical direction;
a first valve (3), which first valve (3) is arranged on the pulp discharge pipe (1) and can be operated to regulate the flow of pulp flowing through the measuring pipe (2), wherein,
the measuring pipe (2) can be provided with a PH meter (5) for measuring the PH value of the slurry flowing through the measuring pipe (2).
2. The desulfurization slurry PH meter sampling device according to claim 1, characterized in that the top end of the measurement pipe (2) is provided with a connection flange (6), the PH meter (5) is mounted to the top end of the measurement pipe (2) through the connection flange (6), and the PH meter (5) has an electrode (7) extending into the measurement pipe (2).
3. The desulfurization slurry PH meter sampling device according to claim 2, further comprising a slurry outlet pipe (8) which is connected by the measurement pipe (2), wherein the slurry outlet pipe (8) comprises a first straight line section (81), and an inlet end of the first straight line section (81) is communicated with the measurement pipe (2) and a lowest position of the inlet end is not lower than a lowest position of the electrode (7).
4. A desulfurization slurry PH meter sampling device according to claim 3, wherein the slurry outlet pipe (8) further comprises a second straight line section (82), the second straight line section (82) being respectively connected to the first straight line section (81) and the slurry outlet of the slurry discharge pipe (1).
5. The desulfurization slurry PH meter sampling device of claim 4, wherein an outlet end of the second straight section (82) is connected to a drainage trench.
6. The desulfurization slurry PH meter sampling device according to claim 4, wherein the first straight line section (81) and the second straight line section (82) are connected by an elbow.
7. The desulfurization slurry PH meter sampling device according to claim 1, characterized in that the slurry discharge pipe (1) comprises a third straight line section (13) extending between the measurement pipe (2) and the slurry outlet and a fourth straight line section (14) extending between the slurry inlet and the measurement pipe (2), the first valve (3) being arranged on the third straight line section (13).
8. The sampling device according to claim 7, characterized in that the fourth straight section (14) is provided with a second valve (4).
9. The sampling device according to claim 8, characterized in that the portion of the fourth rectilinear segment (14) downstream of the second valve (4) is flanked by flushing pipes.
10. A desulfurization system comprising a desulfurization tower and the desulfurization slurry PH meter sampling device according to any one of claims 1 to 9, the desulfurization slurry PH meter sampling device being communicated to the desulfurization tower through the slurry inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427796.3U CN219657223U (en) | 2023-03-07 | 2023-03-07 | Desulfurization slurry PH meter sampling device and desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427796.3U CN219657223U (en) | 2023-03-07 | 2023-03-07 | Desulfurization slurry PH meter sampling device and desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657223U true CN219657223U (en) | 2023-09-08 |
Family
ID=87880768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320427796.3U Active CN219657223U (en) | 2023-03-07 | 2023-03-07 | Desulfurization slurry PH meter sampling device and desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657223U (en) |
-
2023
- 2023-03-07 CN CN202320427796.3U patent/CN219657223U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109142646B (en) | Automatic sampling detection device of desulfurization absorption tower pH meter of thermal power factory | |
| CN111397669A (en) | Flow measuring and adjusting device with anti-blocking function and control method thereof | |
| CN219657223U (en) | Desulfurization slurry PH meter sampling device and desulfurization system | |
| KR20070097233A (en) | Palmer bowlus flumes flow meter for open channel and thereof flow measuring method | |
| CN106066382B (en) | PH value parameter measuring device | |
| CN102089483A (en) | Method and apparatus for diverting flowing liquid from a conduit | |
| CN204389336U (en) | Serosity density measurement system | |
| CN213749479U (en) | Device for measuring density and pH value of desulfurized gypsum slurry in combined manner | |
| CN101551372A (en) | Apparatus for measuring density and pH value of serous fluid processed by wet flue gas desulfurization | |
| CN201408157Y (en) | Density and pH valve measuring device for wet flue gas desulfurization slurry | |
| CN211262372U (en) | Graded measurement type flow monitoring well | |
| CN218913997U (en) | Water supply and drainage pipeline flow monitoring equipment | |
| CN212432407U (en) | Pressure transmitter mounting structure of desulfurization absorption tower | |
| CN220040378U (en) | PH meter measuring system of desulfurization absorption tower | |
| CN206730848U (en) | Flue gas desulfurization pH value measurement apparatus | |
| CN112557252A (en) | Desulfurization slurry density measuring device and method | |
| CN213600406U (en) | Desulfurization PH measurement system | |
| CN219842369U (en) | Measurement device for desulfurizing tower thick liquid pH value | |
| CN220019511U (en) | PH detection device | |
| CN205809034U (en) | PH value parameter measuring device | |
| CN205619976U (en) | Tunnel center drain pipe flow monitoring device | |
| CN205216569U (en) | Two -way measurement system of pH value | |
| JP2009185496A (en) | Rainwater storage facility | |
| CN214310022U (en) | Accurate measurement system of wet flue gas desulfurization thick liquid density and PH meter | |
| CN209992038U (en) | Liquid level comparison device of wet desulphurization absorption tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |