CN205593696U - Differential pressure measuring device - Google Patents
Differential pressure measuring device Download PDFInfo
- Publication number
- CN205593696U CN205593696U CN201620238982.2U CN201620238982U CN205593696U CN 205593696 U CN205593696 U CN 205593696U CN 201620238982 U CN201620238982 U CN 201620238982U CN 205593696 U CN205593696 U CN 205593696U
- Authority
- CN
- China
- Prior art keywords
- flange
- differential pressure
- absorption tower
- sampling line
- pipeline
- 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.)
- Expired - Fee Related
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 36
- 238000011010 flushing procedure Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a differential pressure measuring device, include: the defroster, it is located in the absorption tower, first sample pipeline, its entry sets up for the slope of absorption tower lateral wall, is 45 jiaos with the absorption tower at the horizontal direction, in the defroster below, second sample pipeline, its and first sample pipeline parallel arrangement are in the defroster top, first pulsatron, its one end is connected with differential pressure transmitter, and the other end is connected with first sample pipeline, the second pulsatron, its one end is connected with differential pressure transmitter, and the other end is connected with second sample pipeline, the sparge water device, it is including preventing stifled device, wash pipeline and ball valve, the below that the pipeline export lies in the export of second sample pipeline is washed in stretching into the absorption tower lateral wall to the one end of washing the pipeline export, wash pipeline entry one end and be connected with ball valve one end, the ball valve other end with prevent that it is connected to block up the device. The beneficial effect of the utility model: the setting of slope setting of sample pipeline and sparge water device has reduced the jam of sample pipeline, and the measured value is more accurate.
Description
Technical field
This utility model relates to a kind of differential pressure measuring installation, is specifically related to a kind of measurement absorption tower demisting device poor
The differential pressure measuring installation of pressure.
Background technology
Demister is very important core apparatus in flue gas desulphurization system, divides after washing through absorption tower
After the drop that separable flue gas carries, the height of demister demisting efficiency and the size of pressure drop directly influence desulfurization
" totally " degree of flue gas.Demister pressure drop is that reflection flue gas passes through the pressure reduction that demister is forward and backward.Pressure
Dropping the biggest, energy consumption is the highest.The size of pressure drop not only with flue gas flow rate, corrugated sheet structure, spacing, flue gas
The factors such as band Water l oad are relevant, and closely related with the fouled condition on demister corrugated sheet.Work as fouling
Time serious, system pressure drop can significantly improve, so contributing to assurance system by the change of monitoring pressure drop
Running status, pinpoints the problems in time, and processes.
Utility model content
For weak point present in the problems referred to above, this utility model provides one to be used for more accurately surveying
The differential pressure measuring installation of amount absorption tower demisting device differential pressure.
For achieving the above object, this utility model provides a kind of differential pressure measuring installation, including:
Demister, it is located in absorption tower；
First sampling line, its entrance relative to described absorption tower sidewall slope arrange, and with described suction
Receipts tower is in the horizontal direction in 45° angle, and the entrance of described first sampling line is positioned at the lower section of described demister；
Second sampling line, it be arranged in parallel with described first sampling line, described first sampling line
Entrance is arranged relative to the sidewall slope on described absorption tower, and with described absorption tower in the horizontal direction in 45 °
Angle, the entrance of described second sampling line is positioned at the top of described demister；
First pulse tube, its one end is connected with differential pressure transmitter, the other end of described first pulse tube and
One end of one stop valve connects, and the other end of described first stop valve is fixed with the first flange, and described first
The outlet of sampling line is fixed with the fixing connection of the second flange, described first flange and described second flange；
Second pulse tube, its one end is connected with described differential pressure transmitter, the other end of described second pulse tube
Being connected with one end of the second stop valve, the other end of described second stop valve is fixed with three-flange, described
It is fixing even that the outlet of the second sampling line is fixed with the 4th flange, described three-flange and described 4th flange
Connect；
Rinse water arrangement, it includes anti-block apparatus, flushing line and ball valve, the outlet of described flushing line
One end is stretched in the sidewall on the left of described absorption tower, and the outlet of described flushing line is positioned at described second sampling
The lower section of the outlet of pipeline, one end of described flushing line entrance is connected with one end of described ball valve, described
The ball valve other end is connected with described anti-block apparatus.
Improving further as this utility model, described first flange and described second flange are solid by bolt
Fixed connection.
Improve further as this utility model, between described first flange and described second flange, be provided with method
Blue sealing gasket.
Improving further as this utility model, described three-flange and described 4th flange are solid by bolt
Fixed connection.
Improve further as this utility model, between described three-flange and described 4th flange, be provided with method
Blue sealing gasket.
The beneficial effects of the utility model are:
1, solve the problem that demister differential pressure measurement is inaccurate, the pressure reduction of demister can be monitored in real time, it is ensured that
The stable operation of desulphurization system；
2, being obliquely installed of sampling line, decreases the blocking of sampling line, and measured value is more accurate；
3, the rinse water arrangement switch by ball valve, introduces flushing water in flushing line bottom to absorption tower
It is timed flushing, further reduces the blocking of sampling line, ensure the requirement of measurement apparatus precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of differential pressure measuring installation of this utility model.
In figure:
1, absorption tower；2, demister；3, differential pressure transmitter；41, the first pulse tube；42, the second arteries and veins
Washing pipe；51, the first stop valve；52, the second stop valve；61, the first flange；62, the second flange；
63, three-flange；64, the 4th flange；7, flange gasket；81, the first sampling line；82,
Two sampling lines；9, anti-block apparatus；10, flushing line；11, ball valve.
Detailed description of the invention
As it is shown in figure 1, a kind of differential pressure measuring installation described in this utility model embodiment, including demister 2,
Two sampling lines, two pulse tubes, differential pressure transmitter 3 and rinse water arrangement.Being located at of demister 2
In absorption tower 1.The entrance of the first sampling line 81 is arranged relative to the sidewall slope on absorption tower 1, and with
Absorption tower 1 is in the horizontal direction in 45° angle, and the entrance of the first sampling line 81 is positioned at the lower section of demister 2.
Second sampling line 82 be arranged in parallel with the first sampling line 81, and the entrance of the first sampling line 81 is relative
Sidewall slope in absorption tower 1 is arranged, and with absorption tower 1 in the horizontal direction in 45° angle, the second sampling
The entrance of pipeline 81 is positioned at the top of demister 2.One end of first pulse tube 41 and differential pressure transmitter 3
Connecting, the other end of the first pulse tube 41 and one end of the first stop valve 51 connect, the first stop valve 51
The other end be fixed with the first flange 61, the outlet of the first sampling line 81 is fixed with the second flange 62,
First flange 61 and the second flange 62 are bolted to connection, the first flange 61 and the second flange 62
Between be provided with flange gasket 7.One end of second pulse tube 42 is connected with differential pressure transmitter 3, the second arteries and veins
The other end of washing pipe 42 and one end of the second stop valve 52 connect, and the other end of the second stop valve 51 is fixed
Having three-flange 63, the outlet of the second sampling line 82 is fixed with the 4th flange 64, three-flange 63 He
4th flange 64 is bolted to connection, and is provided with flange close between three-flange 63 and the 4th flange 64
Packing 7.Rinse water arrangement includes anti-block apparatus 9, flushing line 10 and ball valve 11, and flushing line 10 goes out
One end of mouth is stretched in the sidewall on the left of absorption tower 1, and the outlet of flushing line 10 is positioned at the second sampling line
The lower section of the outlet of 82, one end of flushing line 10 entrance is connected with one end of ball valve 11, and ball valve 11 is another
One end is connected with anti-block apparatus 9.
Measurement apparatus of the present utility model solves the problem that demister differential pressure measurement is inaccurate, can monitor in real time
The pressure reduction of demister, it is ensured that the stable operation of desulphurization system.Simultaneously as being obliquely installed of sampling line,
Decrease the blocking of sampling line so that measured value is more accurate.The setting of rinse water arrangement, passes through ball valve
Switch, flushing water is introduced in flushing line being timed flushing bottom absorption tower, reduces further
The blocking of sampling line, ensures the requirement of measurement apparatus precision.Measurement apparatus of the present utility model is tied
Structure is simple, dismounts easy to clean.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model,
For a person skilled in the art, this utility model can have various modifications and variations.All in this reality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, all should comprise
Within protection domain of the present utility model.
Claims (5)
1. a differential pressure measuring installation, it is characterised in that including:
Demister (2), it is located in absorption tower (1)；
First sampling line (81), its entrance is arranged relative to the sidewall slope of described absorption tower (1),
And with described absorption tower (1) in the horizontal direction in 45° angle, the entrance of described first sampling line (81)
It is positioned at the lower section of described demister (2)；
Second sampling line (82), it be arranged in parallel with described first sampling line (81), and described first
The entrance of sampling line (81) relative to described absorption tower (1) sidewall slope arrange, and with described suction
Receive tower (1) in the horizontal direction in 45° angle, the entrance of described second sampling line (81) be positioned at described in remove
The top of day with fog (2)；
First pulse tube (41), its one end is connected with differential pressure transmitter (3), described first pulse tube (41)
The other end and the first stop valve (51) one end connect, the other end of described first stop valve (51)
Being fixed with the first flange (61), the outlet of described first sampling line (81) is fixed with the second flange (62),
Described first flange (61) and the fixing connection of described second flange (62)；
Second pulse tube (42), its one end is connected with described differential pressure transmitter (3), described second pulse
The other end of pipe (42) and one end of the second stop valve (52) connect, described second stop valve (51)
The other end be fixed with three-flange (63), the outlet of described second sampling line (82) is fixed with the 4th
Flange (64), described three-flange (63) and described 4th flange (64) are fixing to be connected；
Rinse water arrangement, it includes anti-block apparatus (9), flushing line (10) and ball valve (11), described
One end that flushing line (10) exports is stretched in the sidewall in left side, described absorption tower (1), described flush pipe
The outlet on road (10) is positioned at the lower section of the outlet of described second sampling line (82), described flushing line
(10) one end of entrance is connected with one end of described ball valve (11), described ball valve (11) other end with
Described anti-block apparatus (9) connects.
Differential pressure measuring installation the most according to claim 1, it is characterised in that described first flange (61)
It is bolted to connection with described second flange (62).
Differential pressure measuring installation the most according to claim 2, it is characterised in that described first flange (61)
And it is provided with flange gasket (7) between described second flange (62).
Differential pressure measuring installation the most according to claim 1, it is characterised in that described three-flange (63)
It is bolted to connection with described 4th flange (64).
Differential pressure measuring installation the most according to claim 4, it is characterised in that described three-flange (63)
And it is provided with flange gasket (7) between described 4th flange (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238982.2U CN205593696U (en) | 2016-03-25 | 2016-03-25 | Differential pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238982.2U CN205593696U (en) | 2016-03-25 | 2016-03-25 | Differential pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593696U true CN205593696U (en) | 2016-09-21 |
Family
ID=56930351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620238982.2U Expired - Fee Related CN205593696U (en) | 2016-03-25 | 2016-03-25 | Differential pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567635A (en) * | 2019-08-27 | 2019-12-13 | 北京国电龙源环保工程有限公司 | Differential pressure measuring device and differential pressure measuring method for limestone wet desulphurization demister |
-
2016
- 2016-03-25 CN CN201620238982.2U patent/CN205593696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567635A (en) * | 2019-08-27 | 2019-12-13 | 北京国电龙源环保工程有限公司 | Differential pressure measuring device and differential pressure measuring method for limestone wet desulphurization demister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |