CN214793938U - Slurry sampling device for simultaneously measuring desulfurization slurry parameters - Google Patents
Slurry sampling device for simultaneously measuring desulfurization slurry parameters Download PDFInfo
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- CN214793938U CN214793938U CN202120186666.6U CN202120186666U CN214793938U CN 214793938 U CN214793938 U CN 214793938U CN 202120186666 U CN202120186666 U CN 202120186666U CN 214793938 U CN214793938 U CN 214793938U
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- desulfurization
- gas
- thick liquid
- liquid separator
- sampling
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- 238000005070 sampling Methods 0.000 title claims abstract description 56
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 40
- 230000023556 desulfurization Effects 0.000 title claims abstract description 40
- 239000002002 slurry Substances 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement especially relates to environmental protection desulfurization technical field, including sampling tube one, sampling tube two, vapour and liquid separator, pH measuring bucket and density measuring bucket, sampling tube one connection is in desulfurization absorption tower right side bottom. This device relies on desulfurization absorption tower thick liquid tank liquid level difference in height, make desulfurization absorption tower thick liquid get into sampling tube one, thick liquid density and pH value on-line measuring device install on this device, eliminate through this device and receive the interior agitator of tower, the operation of slurry circulating pump, desulfurization oxidation wind is worth influencing thick liquid density and pH value, the realization is to desulfurization absorption tower thick liquid density and the online accurate test of pH value, it generally installs at absorption tower column wall position to have solved present thick liquid density and pH value on-line measuring device, thick liquid density and pH value measuring accuracy receive the interior agitator of absorption tower, the operation of slurry circulating pump, the influence of desulfurization oxidation wind is big, densimeter and the inaccurate problem of pH meter test have been caused.
Description
Technical Field
The utility model relates to an environmental protection desulfurization technical field especially relates to a thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement.
Background
The wet desulfurizing system for removing SO from fume of coal-fired power plant2Realizing the SO of the flue gas2The key facility of discharge up to standard, wet flue gas desulfurization absorption tower thick liquid density and pH value are the key parameter of guaranteeing the safe and reliable operation of wet flue gas desulfurization system, and thick liquid density and pH value on-line measuring device generally install absorption tower wall position at present, and thick liquid density and pH value measurement's accuracy is influenced by agitator, thick liquid circulating pump operation, desulfurization oxidizing air in the absorption tower greatly, has caused densimeter and pH meter test inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement has solved present thick liquid density and pH value on-line measuring device and has generally installed in absorption tower wall position, and thick liquid density and pH value measurement's accuracy receives agitator, slurry circulating pump operation in the absorption tower, the influence of desulfurization oxidation wind is big, has caused the inaccurate problem of densimeter and pH meter test.
The utility model provides a technical scheme that its technical problem adopted is:
a slurry sampling device for simultaneously measuring desulfurization slurry parameters comprises a first sampling pipe, a second sampling pipe, a gas-liquid separator, a pH measuring barrel and a density measuring barrel, wherein the first sampling pipe is connected to the bottom of the right side of a desulfurization absorption tower, an electric door is arranged at the tail end of the first sampling pipe, a reverse flow valve is arranged at one end of the electric door, the second sampling pipe is connected to the tail end of the reverse flow valve, the gas-liquid separator is connected to the tail end of the second sampling pipe, the gas-liquid separator is positioned at the left side of the pH measuring barrel, a gas-liquid separator pipeline is connected to the upper end of the gas-liquid separator, a gas-liquid separator emptying port is arranged at the upper end of the gas-liquid separator pipeline, a second butterfly valve is arranged at the left end of the gas-liquid separator pipeline, a gas-liquid separator overflow pipe is connected to the tail end of the butterfly valve, a communicating pipe is connected between the gas-liquid separator and the lower end of the pH measuring barrel, and a pH meter measuring hole is arranged at the front end of the pH measuring barrel, the density measuring barrel is installed at the upper end of the pH measuring barrel, and a pressure transmitter measuring hole is formed in the left end of the density measuring barrel.
Preferably, a first washing water inlet is formed in the lower end of the first sampling pipe, and a second washing water inlet is formed in the lower portion of the head end of the second sampling pipe.
Preferably, a first butterfly valve is installed at the lower part of the tail end of the communicating pipe, and a liquid outlet is formed in the lower end of the first butterfly valve.
Preferably, the right end of the density measuring barrel is connected with a measuring barrel overflow pipe.
Preferably, the upper end of the density measuring barrel is provided with a measuring barrel emptying port.
Compared with the prior art, the utility model discloses the beneficial effect who realizes: this kind of thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement relies on desulfurization absorption tower thick liquid pond liquid level difference in height, makes desulfurization absorption tower thick liquid get into sampling tube one, and thick liquid density and pH value on-line measuring device install on this device, and agitator, slurry circulating pump operation, desulfurization oxidation wind are worth influencing thick liquid density and pH value in eliminating the receipts tower through this device, realize the online accurate test to desulfurization absorption tower thick liquid density and pH value.
Drawings
Figure 1 is the whole schematic diagram of the utility model discloses desulfurization thick liquid parameter simultaneous measurement's thick liquid sampling device.
In the figure: 1-sampling tube one; 2-an electric door; 3-a reflux valve; 4-sampling tube II; 5-a gas-liquid separator; 6-communicating pipe; 7-pH measuring barrel; 8-measuring holes by a pH meter; 9-density measuring barrel; 10-pressure transmitter measurement hole; 11-measuring barrel overflow tube; 12-gas liquid separator overflow; 13-measuring the barrel emptying; 14-gas-liquid separator drain; 15, a first flushing water inlet; 16-a washing water inlet II; 17-a liquid discharge port; 18-a butterfly valve I; 19-butterfly valve two.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1, a slurry sampling device for simultaneously measuring desulfurization slurry parameters comprises a first sampling tube 1, a second sampling tube 4, a gas-liquid separator 5, a pH measuring barrel 7 and a density measuring barrel 9, wherein the first sampling tube 1 is connected to the bottom of the right side of a desulfurization absorption tower, an electric valve 2 is installed at the tail end of the first sampling tube 1, a reverse-flow valve 3 is installed at one end of the electric valve 2, the second sampling tube 4 is connected to the tail end of the reverse-flow valve 3, the gas-liquid separator 5 is connected to the tail end of the second sampling tube 4, the gas-liquid separator 5 is positioned at the left side of the pH measuring barrel 7, a gas-liquid separator pipeline is connected to the upper end of the gas-liquid separator 5, a gas-liquid separator vent 14 is arranged at the upper end of the gas-liquid separator pipeline, a second butterfly valve 19 is installed at the left end of the gas-liquid separator pipeline, a gas-liquid separator overflow pipe 12 is connected to the tail end of the butterfly valve 19, and a communicating pipe 6 is connected between the gas-liquid separator 5 and the pH measuring barrel 7, the front end of the pH measuring barrel 7 is provided with a pH meter measuring hole 8, the density measuring barrel 9 is installed at the upper end of the pH measuring barrel 7, the left end of the density measuring barrel 9 is provided with a pressure transmitter measuring hole 10, the lower part of the tail end of the communicating pipe 6 is provided with a butterfly valve 18, the lower end of the butterfly valve 18 is provided with a liquid outlet 17, the right end of the density measuring barrel 9 is connected with a measuring barrel overflow pipe 11, the upper end of the density measuring barrel 9 is provided with a measuring barrel emptying port 13, because the sampling pipe 1 is installed at a position which is about 0.5m away from the bottom of the right end of the desulfurization absorption tower, the slurry flows through the electric door 2 and the reflux valve 3 to enter the sampling pipe two 4 through the sampling pipe 1 under the driving of liquid level differential pressure, the slurry enters the gas-liquid separator 5 along the sampling pipe two 4 to carry out gas-liquid separation, the gas passes through the gas-liquid separator emptying port 14 along the gas-liquid separator pipeline, and the slurry enters the pH measuring barrel 7 and the density measuring barrel 9 sequentially through the 6, after the slurry passes through the trench, the slurry is discharged into the trench through a measuring barrel overflow pipe 11, and the gas is discharged through a measuring barrel emptying port 13, wherein a pH meter and a pressure transmitter are respectively installed on a pH meter measuring hole 8 and a pressure transmitter measuring hole 10, and the pH of the slurry and the density of the slurry are respectively measured through the pH meter and the pressure transmitter;
when the liquid level in the gas-liquid separator 5 is not maintained due to the abnormality of the desulfurization absorption tower, the overflow slurry is discharged into a trench through the overflow pipe 12 of the gas-liquid separator, so that the liquid level of the slurry in the gas-liquid separator 5 is maintained, wherein the position of the liquid level of the gas-liquid separator 5 can be adjusted by opening the butterfly valve 18;
the lower end of the first sampling pipe 1 is provided with a first washing water access port 15, the lower part of the head end of the second sampling pipe 4 is provided with a second washing water access port 16, and when the first sampling pipe 1 and the second sampling pipe 4 need to be washed, the first washing water access port 15 and the second washing water access port 16 are both externally connected with washing water pipelines, so that washing water can be used for washing the first sampling pipe 1 and the second sampling pipe 4 through the first washing water access port 15 and the second washing water access port 16 respectively;
to sum up, this kind of thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement relies on desulfurization absorption tower thick liquid pond liquid level difference in height, makes desulfurization absorption tower thick liquid get into sampling tube 1, and thick liquid density and PH value on-line measuring device install on this device, gets rid of through this device and receives in the tower agitator, thick liquid circulating pump operation, desulfurization oxidation wind to be worth influencing thick liquid density and PH, realizes the online accurate test to desulfurization absorption tower thick liquid density and PH value.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a thick liquid sampling device of desulfurization thick liquid parameter simultaneous measurement, includes sampling tube one (1), sampling tube two (4), vapour and liquid separator (5), pH measuring bucket (7) and density measuring bucket (9), the bottom at desulfurization absorption tower is connected in sampling tube one (1), its characterized in that: the device comprises a sampling pipe I (1), an electric door (2) is installed at the tail end of the sampling pipe I (1), a reverse flow valve (3) is installed at one end of the electric door (2), a sampling pipe II (4) is connected to the tail end of the reverse flow valve (3), a gas-liquid separator (5) is connected to the tail end of the sampling pipe II (4), the gas-liquid separator (5) is located on the left side of a pH measuring barrel (7), a gas-liquid separator pipeline is connected to the upper end of the gas-liquid separator (5), a gas-liquid separator emptying port (14) is arranged at the upper end of the gas-liquid separator pipeline, a butterfly valve II (19) is installed at the left end of the gas-liquid separator pipeline, a gas-liquid separator overflow pipe (12) is connected to the tail end of the butterfly valve II (19), a communicating pipe (6) is connected between the gas-liquid separator (5) and the lower end of the pH measuring barrel (7), a pH meter measuring hole (8) is arranged at the front end of the pH measuring barrel (7), and a density measuring barrel (9) is installed at the upper end of the pH measuring barrel (7), and a pressure transmitter measuring hole (10) is formed in the left end of the density measuring barrel (9).
2. The slurry sampling apparatus for simultaneous measurement of desulfurization slurry parameters of claim 1, wherein: the lower end of the first sampling pipe (1) is provided with a first washing water inlet (15), and the lower part of the head end of the second sampling pipe (4) is provided with a second washing water inlet (16).
3. The slurry sampling apparatus for simultaneous measurement of desulfurization slurry parameters of claim 1, wherein: a first butterfly valve (18) is installed at the lower part of the tail end of the communicating pipe (6), and a liquid discharge port (17) is formed in the lower end of the first butterfly valve (18).
4. The slurry sampling apparatus for simultaneous measurement of desulfurization slurry parameters of claim 1, wherein: the right end of the density measuring barrel (9) is connected with a measuring barrel overflow pipe (11).
5. The slurry sampling apparatus for simultaneous measurement of desulfurization slurry parameters of claim 1, wherein: and a measuring barrel emptying port (13) is arranged at the upper end of the density measuring barrel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120186666.6U CN214793938U (en) | 2021-01-22 | 2021-01-22 | Slurry sampling device for simultaneously measuring desulfurization slurry parameters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120186666.6U CN214793938U (en) | 2021-01-22 | 2021-01-22 | Slurry sampling device for simultaneously measuring desulfurization slurry parameters |
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| CN214793938U true CN214793938U (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798335A (en) * | 2021-01-22 | 2021-05-14 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Slurry sampling device for simultaneously measuring desulfurization slurry parameters |
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2021
- 2021-01-22 CN CN202120186666.6U patent/CN214793938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798335A (en) * | 2021-01-22 | 2021-05-14 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Slurry sampling device for simultaneously measuring desulfurization slurry parameters |
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