CN213749479U - Device for measuring density and pH value of desulfurized gypsum slurry in combined manner - Google Patents
Device for measuring density and pH value of desulfurized gypsum slurry in combined manner Download PDFInfo
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- CN213749479U CN213749479U CN202022540200.XU CN202022540200U CN213749479U CN 213749479 U CN213749479 U CN 213749479U CN 202022540200 U CN202022540200 U CN 202022540200U CN 213749479 U CN213749479 U CN 213749479U
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Abstract
The utility model discloses a desulfurization gypsum slurry density and pH value combination measuring device, including the sample pipeline of flowing automatically, the sample pipeline of flowing automatically includes horizontal segment pipeline and vertical segment pipeline, and the one end and the desulfurization slurry container export intercommunication of horizontal segment pipeline, the other end and vertical segment pipeline intercommunication, the other end and the trench intercommunication of vertical segment pipeline are equipped with sample electric valve on the horizontal segment pipeline, are equipped with on the pipeline of intercommunication between vertical segment pipeline and the trench and put clean electric valve, and the top of vertical segment pipeline is equipped with the PH meter, and the bottom is equipped with pressure transmitter. The flow velocity of the slurry in the pipeline is low, so that the abrasion degree of the slurry to the instrument is reduced; the pressure transmitter is arranged on the gravity flow pipeline, the slurry flows relatively stably and is not influenced by the disturbance of the slurry in the tower, and the slurry density is calculated by the measurement data of the pressure transmitter to have higher accuracy; all instruments, valves and the like of the whole measuring system are arranged on one pipeline, no other devices are arranged, and the structure is simple and easy to implement.
Description
Technical Field
The utility model relates to an environmental protection wet flue gas desulfurization technical field particularly, relates to a desulfurization gypsum thick liquid density and pH value combination measuring device.
Background
Currently, the density and PH of the desulfurized gypsum slurry are the most important process parameters in wet desulfurization. The density of the desulfurized gypsum slurry has great effect on judging the generation and growth of gypsum crystals and preventing scaling of a desulfurizing tower, and simultaneously, the operation mode and the dehydrating effect of the vacuum belt dehydrator and the quality of gypsum are directly influenced; the pH value is closely related to the utilization rate of a desulfurizing agent, the desulfurization efficiency, the quality of gypsum slurry and the like.
In the prior art, there are devices that combine the measurement of gypsum slurry density and PH. For example:
the application number of the Chinese utility model of '201410819201.4' discloses an integrated device for measuring the density and pH of slurry in a lime (stone) -gypsum wet desulphurization tower, which comprises a solid-liquid separator, a spiral nozzle, a pipeline type densimeter, a PH meter and the like, wherein the slurry in a desulphurization slurry container enters the solid-liquid separator through a communicating pipe, the pipeline type densimeter is arranged on the communicating pipe, the solid-liquid separator is provided with an overflow pipe and a purge pipe, the PH meter probe is arranged at the top of the solid-liquid separator, the spiral nozzle is arranged in the separator, and the PH meter probe is washed regularly;
the Chinese utility model patent application with the application number of '201810644345.9' discloses a flue gas wet desulphurization gypsum slurry on-line density and pH value combined measuring device and a measuring method, which comprises a measuring box, a tuning fork type densimeter, a PH meter and the like, wherein slurry in a desulphurization slurry container enters the measuring box through a communicating pipe, the tuning fork type densimeter and the PH meter are installed on the measuring box, the measuring box is provided with an overflow pipe and a discharge pipe, a flushing valve is arranged on the communicating pipe, and the pipeline and the measuring box are periodically flushed;
the chinese utility model patent of patent number "201720736677.0" discloses a wet flue gas desulfurization tower thick liquid density and pH measuring device, contains and filters perforated plate, measuring box, tuning fork densimeter, pH meter and differential pressure transmitter, and the desulfurization thick liquid passes through the intercommunication pipeline and gets into the measuring box, sets up on the intercommunication pipeline and filters the perforated plate, filters the large granule, installs tuning fork densimeter and pH meter on the measuring box, and the intercommunication pipeline sets up the sparge water, regularly washes pipeline and measuring instrument.
Above density and pH value combination measuring device can realize the measurement to the density and the pH value of desulfurization gypsum thick liquid, however, above-mentioned measuring device structure is complicated relatively, and the installation requirement is higher, and practical application has the limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a desulfurization gypsum thick liquid density and pH value combination measuring device to overcome the above-mentioned not enough that exists among the prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a desulfurization gypsum slurry density and PH value combination measuring device, includes the sample pipeline of flowing automatically, the sample pipeline of flowing automatically includes horizontal segment pipeline and vertical section pipeline, the one end and the desulfurization slurry container export intercommunication of horizontal segment pipeline, the other end and vertical section pipeline intercommunication, the other end and the trench intercommunication of vertical section pipeline, the horizontal segment pipeline is equipped with sample electric valve and pressure transmitter along the thick liquid flow direction in proper order, be equipped with on the pipeline of intercommunication between vertical section pipeline and the trench and put clean electric valve, the top of vertical section pipeline is equipped with the PH meter.
Furthermore, a sampling manual valve is also arranged on a horizontal section pipeline between the desulfurization slurry container and the sampling electric valve.
Furthermore, a flushing water pipeline is communicated with a horizontal section pipeline on one side, away from the desulfurization slurry container, of the sampling electric valve, and a flushing water electric valve is arranged on the flushing water pipeline.
Furthermore, a connecting section which forms an included angle of 30-60 degrees with the horizontal direction is arranged between the outlet of the desulfurization slurry container and the horizontal section pipeline.
Furthermore, the PH meter is arranged on the top of the vertical section pipeline through a flange tee joint arranged on the top of the vertical section pipeline.
Furthermore, a diaphragm valve for overhauling is arranged at the root part of the pressure transmitter.
Further, the PH meter is an immersion type wear-resistant PTFE electrode PH meter.
The utility model has the advantages that: a pressure transmitter and a PH meter are arranged on the gravity flow pipeline, the flow velocity of the slurry in the pipeline is low, and the abrasion degree of the slurry to the instrument is reduced; the pressure transmitter is arranged on the gravity flow pipeline, the slurry flows relatively stably and is not influenced by the disturbance of the slurry in the tower, and the slurry density is calculated by the measurement data of the pressure transmitter to have higher accuracy; all instruments, valves and the like of the whole measuring system are arranged on one pipeline, no other devices are arranged, and the structure is simple and easy to implement.
Drawings
Fig. 1 is a schematic structural diagram of a measurement device according to an embodiment of the present invention.
Shown in the figure:
1-horizontal section of pipeline; 2-vertical section of pipeline; 3-a desulfurized slurry vessel; 4-trench; 5-sampling electric valve; 6-discharging the electric valve; 7-PH meter; 8-a pressure transmitter; 9-sampling manual valve; 10-flushing water pipeline; 11-a flush water electrically operated valve; 12-a connecting segment; 13-diaphragm valve for maintenance.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIG. 1, according to the embodiment of the utility model a desulfurization gypsum thick liquid density and pH value combination measuring device, including the sample pipeline of flowing automatically, the sample pipeline of flowing automatically includes horizontal segment pipeline 1 and vertical segment pipeline 2, horizontal segment pipeline 1's one end and 3 exports of desulfurization thick liquid container intercommunication, the other end and vertical segment pipeline 2 intercommunication, vertical segment pipeline 2's the other end and trench 4 intercommunication, horizontal segment pipeline 1 is equipped with sample electric valve 5 and pressure transmitter 8 on the thick liquid flow direction in proper order, be equipped with on the pipeline of intercommunication between vertical segment pipeline 2 and the trench 4 and put electric clean valve 6, vertical segment pipeline 2's top is equipped with pH meter 7.
In the present embodiment, the desulfurization slurry container 3 may be a desulfurization tower or a gypsum slurry tank.
In this embodiment, a sampling manual valve 9 is further disposed on the horizontal segment pipe 1 between the desulfurization slurry container 3 and the sampling electric valve 5. During normal operation manual valve 9 normally opens, utilizes sample electric valve 5 to control the break-make of thick liquid, and when sample electric valve 5 operation trouble, utilizes sample manual valve 9 to cut off the thick liquid, maintains sample electric valve 5.
In the embodiment, a flushing water pipeline 10 is communicated with the horizontal pipeline 1 on the side, away from the desulfurization slurry container 3, of the sampling electric valve 5, and a flushing water electric valve 11 is arranged on the flushing water pipeline 10.
In this embodiment, a connection section 12 having an angle of 30-60 degrees with the horizontal direction is disposed between the outlet of the desulfurization slurry container 3 and the horizontal pipeline 1. The purpose of setting up the linkage segment 12 of 30 ~ 60 contained angles is to prevent that the thick liquid from deposiing in the pipeline and blockking up, guarantees that the thick liquid is in mobile state in the whole test pipeline.
In this embodiment, the PH meter 7 is installed on the top of the vertical pipe 2 through a flange tee provided on the top of the vertical pipe 2.
In this embodiment, a diaphragm valve 13 for maintenance is provided at the root of the pressure transmitter 8.
In this embodiment, the PH meter 7 is an immersion type wear-resistant tetrafluoro electrode PH meter.
The principle of the utility model is as follows:
as shown in figure 1, the density of the desulfurization gypsum slurry is calculated by the measured value of the pressure transmitter. And (3) calculating: p is ρ gh, and ρ is P/gh. P is the measured value of the pressure transmitter, and h is the height of the vertical section of the sampling gravity flow pipeline.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
In the working process, the sampling manual valve 9, the sampling electric valve 5 and the purge electric valve 6 are in a normally open state, when the measured value of the pressure transmitter 8 needs to be read to calculate the density, the sampling electric valve 5 is closed, and the measured value of the pressure transmitter 8 is read after the desulfurization slurry in the pipeline is stable; when the running time of the system is long and the system needs to be flushed, the sampling electric valve 5 and the emptying electric valve 6 are closed, the flushing water electric valve 11 is opened, and after the pipeline and instruments on the pipeline are subjected to pressure build-up flushing, the flushing water is discharged into the trench 4.
To sum up, the embodiment of the utility model provides a desulfurization gypsum thick liquid density and pH value combination measuring device can be simultaneously gypsum thick liquid density and pH value in the on-line measurement desulfurization thick liquid container, has avoided measuring instrument's wearing and tearing on the power pipeline, thereby effectively avoids densimeter and PH meter disect insertion desulfurizing tower to measure the measuring error that the thick liquid disturbance arouses in the tower that leads to make the device simplify as far as possible, realize the simple and easy of using.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a desulfurization gypsum slurry density and pH value combination measuring device, its characterized in that, is including the sample pipeline of flowing automatically, the sample pipeline of flowing automatically includes horizontal segment pipeline (1) and vertical segment pipeline (2), the one end and desulfurization slurry container (3) export intercommunication of horizontal segment pipeline (1), the other end and vertical segment pipeline (2) intercommunication, the other end and trench (4) intercommunication of vertical segment pipeline (2), horizontal segment pipeline (1) is equipped with sample electric valve (5) and pressure transmitter (8) on the thick liquid flow direction in proper order, be equipped with on the pipeline of intercommunication between vertical segment pipeline (2) and trench (4) and put clean electric valve (6), the top of vertical segment pipeline (2) is equipped with pH meter (7).
2. The measuring device according to claim 1, characterized in that a sampling manual valve (9) is further arranged on the horizontal section of the pipeline (1) between the desulfurization slurry container (3) and the sampling electric valve (5).
3. The measuring device according to claim 2, wherein a flushing water pipeline (10) is communicated with the horizontal section of the pipeline (1) at the side of the sampling electric valve (5) far away from the desulfurization slurry container (3), and a flushing water electric valve (11) is arranged on the flushing water pipeline (10).
4. The measuring device according to claim 1, wherein a connecting section (12) forming an included angle of 30-60 degrees with the horizontal direction is arranged between the outlet of the desulfurization slurry container (3) and the horizontal section pipeline (1).
5. A measuring device as claimed in claim 1, characterized in that the PH meter (7) is mounted on top of the vertical pipe section (2) by means of a flange tee provided on top of the vertical pipe section (2).
6. The measuring device according to claim 1, characterized in that the root of the pressure transmitter (8) is provided with a diaphragm valve (13) for service.
7. The measuring device according to claim 1, characterized in that the PH meter (7) is an immersion wear-resistant tetrafluoro-electrode PH meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540200.XU CN213749479U (en) | 2020-11-06 | 2020-11-06 | Device for measuring density and pH value of desulfurized gypsum slurry in combined manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540200.XU CN213749479U (en) | 2020-11-06 | 2020-11-06 | Device for measuring density and pH value of desulfurized gypsum slurry in combined manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213749479U true CN213749479U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022540200.XU Active CN213749479U (en) | 2020-11-06 | 2020-11-06 | Device for measuring density and pH value of desulfurized gypsum slurry in combined manner |
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|---|---|
| CN (1) | CN213749479U (en) |
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2020
- 2020-11-06 CN CN202022540200.XU patent/CN213749479U/en active Active
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