CN205607585U - Take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up - Google Patents
Take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up Download PDFInfo
- Publication number
- CN205607585U CN205607585U CN201620180241.3U CN201620180241U CN205607585U CN 205607585 U CN205607585 U CN 205607585U CN 201620180241 U CN201620180241 U CN 201620180241U CN 205607585 U CN205607585 U CN 205607585U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- flushing water
- differential pressure
- pressure measuring
- blocking
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000011010 flushing procedure Methods 0.000 claims description 43
- 239000002002 slurry Substances 0.000 abstract description 9
- 235000019738 Limestone Nutrition 0.000 abstract description 7
- 239000006028 limestone Substances 0.000 abstract description 7
- 238000006477 desulfuration reaction Methods 0.000 abstract description 6
- 230000023556 desulfurization Effects 0.000 abstract description 4
- 239000010440 gypsum Substances 0.000 abstract description 3
- 229910052602 gypsum Inorganic materials 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up, include: the intercommunication being located respectively of absorption tower defroster top and below one after survey a buret way and a before measurement buret way, respectively with after survey that buret says and before measurement buret says two pulsatrons connecting, with two pressure difference transmitters that the pulsatron is connected, stifled structure is prevented to a sparge water, includes: a sparge water be responsible for and with two sparge water branch pipes of intercommunication are responsible for to the sparge water, every the end of sparge water straight tube is equipped with a washing terminals, washing terminals's the direction of spraying is pointed to after survey that buret says or before measurement buret say with the intercommunication department on absorption tower. Prevent stifled structure through the installation sparge water to adjustment installation parameter makes the device can accurate measurements defroster differential pressure, and the long -term stability and reliability operation, accurately judges the defroster operating mode, in order to satisfy accurate controlling to the required water of desulfurization minimum discharge, limestone slurry, gypsum slurry material consumption.
Description
Technical field
This utility model relates to environmental technology field, particularly relates to Wet Flue Gas Desulfurization Technology field, is specifically related to the absorption tower demisting device differential pressure measuring installation that a kind of band flushing water is anti-blocking.
Background technology
State Development and Reform Commission prints and distributes " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014-2020) " Air Pollutant Emission of keeping under strict control.Newly-built Thermal generation unit (be contained in and build the unit having included country's construction of fire and electricity planning with project in) answers synchronized construction elder generation forward (FWD) flushing water, denitration and dust removal installation, must not arrange gas bypass passage.Eastern region (11 provinces and cities such as Liaoning, Beijing, Tianjin, Hebei, Shandong, Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Hainan) newly-built Thermal generation unit Air Pollutant Emission concentration basically reaches gas turbine group emission limit (i.e. under the conditions of benchmark oxygen content 6%, flue dust, sulfur dioxide, discharged nitrous oxides concentration are respectively no higher than 10,35,50 milligrams/cubic metre).The middle part new-built unit such as (Heilungkiang, Jilin, Shanxi, Anhui, Hubei, Hunan, Henan, Jiangxi 8 provinces), in principle close to or up gas turbine group emission limit, encourages west area new-built unit close to or up gas turbine group emission limit.Support that the removing of atmosphere pollution combination and cooperation is carried out in synchronization, reduce the pollutant emissions such as sulfur trioxide, hydrargyrum, arsenic.
Along with China's economic development, electricity needs persistently increases, haze long lasting effect, controls PM2.5 and refer to agenda.Local government, electric power enterprise propose " minimum discharge ", " near-zero release ", the construction of " reaching combustion engine discharge standard " or transformation requirement one after another." minimum discharge " technology, scientific guidance Thermal Power Generation Industry sustainable development ultra-clean is discharged.
In this context, in tradition flue gas desulphurization system, configured and the most no longer adapted to existing relevant regulations or requirement.Such as, the demister differential pressure measuring installation of desulfuration absorbing tower does not has effective clogging-preventing measures, easily blocking, once blocking is occurred to may result in demister differential pressure measuring installation malfunctioning, the most just cannot accurately measure demister pressure reduction, thus cannot accurately judge whether demister exists stopping state, and then cannot suitably control concentration and the flow of lime stone slurry, the limestone slurry flow quantity that likely can carry out in desulphurization system is excessive or too small, it is also possible to occur the excessive concentration or too low of lime stone slurry, these situations all can cause adverse consequences, such as, there is gypsum rain phenomenon, or reduce desulfuration efficiency etc..
Utility model content
For the problems referred to above, the purpose of this utility model is to provide the absorption tower demisting device differential pressure measuring installation that a kind of band flushing water is anti-blocking, by installing flushing water Anti-blocking structure, and adjust installation parameter, enable devices to accurately measure demister differential pressure, and long time stability runs, accurately judge demister operating mode, with satisfied to the water needed for desulfurization minimum discharge, lime stone slurry, gypsum slurries supplies consumption accurately control.Avoid unnecessary waste, cut operating costs；Simultaneously, it is ensured that the lime stone slurry being entered absorption tower by pipeline will not be exceeded standard；It is also possible to prevent that lime stone slurry concentration is too low or flow is less cannot obtain preferable desulfurized effect.
For reaching above-mentioned purpose, this utility model adopts the technical scheme that:
The absorption tower demisting device differential pressure measuring installation that a kind of band flushing water is anti-blocking, including:
Connect described absorption tower lays respectively at measurement pipeline and a pre-test pipeline after above and below described demister；
Two pulse tubes being connected with described rear measurement pipeline and pre-test pipeline respectively；
The pressure difference transmitter being connected with described two pulse tubes；
One flushing water Anti-blocking structure, including: a flushing water supervisor and the two flushing water arms connected with described flushing water supervisor, the end of every described flushing water straight tube is provided with a Flushing nozzle, and the described rear connectivity part measuring pipeline or pre-test pipeline and described absorption tower is pointed in described Flushing nozzle stretches into absorption tower and its sprinkling direction.
Further, the described rear axis direction measuring pipeline and pre-test pipeline is 45 ° of-47 ° of angles with horizontal direction.
Further, the described rear flange arrangement sealed by band between pipeline and pre-test pipeline and two pulse tubes of measuring is connected.
Further, a stop valve it is provided with between described pulse tube and flange arrangement.
Further, described flushing water Anti-blocking structure also includes the regulation valve being arranged on flushing water supervisor.
Further, described regulation valve is a manual ball valve.
By taking technique scheme, by arranging setting angle, enable devices to accurately measure demister pressure reduction, ensure desulfurization minimum discharge precision requirement.And rinsed by the timing of flushing water Anti-blocking structure, the steady running of ensuring equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the absorption tower demisting device differential pressure measuring installation that band flushing water is anti-blocking in this utility model one embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.Coordinate institute's accompanying drawing that the features and advantages of the present invention are elaborated below.
As shown in Figure 1 (for the ease of display, some scale of components in each accompanying drawing are adjusted, mainly absorption tower, each component sizes of the present utility model and shape are not limited to shown in Fig. 1), in one embodiment, provide the absorption tower demisting device differential pressure measuring installation that a kind of band flushing water is anti-blocking, including: connect absorption tower 1 lays respectively at the rear measurement pipeline 2 above and below demister 11 and pre-test pipeline 3；Two pulse tubes 4 being connected with rear measurement pipeline 2 and pre-test pipeline 3 respectively；The pressure difference transmitter 5 being connected with two pulse tubes 4；Flushing water Anti-blocking structure 6, including: a flushing water supervisor and the two flushing water arms connected with flushing water supervisor, the end of every flushing water straight tube is provided with a Flushing nozzle, and pipeline 2 or pre-test pipeline 3 and the connectivity part on absorption tower 1 are measured in spraying of Flushing nozzle after direction is pointed to.
Specifically, the rear axis direction measuring pipeline 2 and pre-test pipeline 3 is 45 ° of-47 ° of angles with horizontal direction.
The flange arrangement sealed by band between rear measurement pipeline 2 and pre-test pipeline 3 with two pulse tubes 4 is connected.
A stop valve it is provided with between pulse tube 4 and flange arrangement.
Flushing water Anti-blocking structure 5 also includes the regulation valve being arranged on flushing water supervisor, as it can be seen, this regulation valve is a manual ball valve.
In a Practical Project, use the absorption tower demisting device differential pressure measuring installation that band flushing water is anti-blocking in above-described embodiment, observed by actual motion, this device can stable operation more than more than 420 hours, and differential pressure measurement precision error is less than 0.75Mpa.Other correlation techniques are coordinated to disclosure satisfy that the minimum discharge requirement of desulphurization system.
Claims (6)
1. the absorption tower demisting device differential pressure measuring installation that a band flushing water is anti-blocking, it is characterised in that including:
Connect described absorption tower lays respectively at measurement pipeline and a pre-test pipeline after above and below described demister；
Two pulse tubes being connected with described rear measurement pipeline and pre-test pipeline respectively；
The pressure difference transmitter being connected with described two pulse tubes；
One flushing water Anti-blocking structure, including: a flushing water supervisor and the two flushing water arms connected with described flushing water supervisor, the end of every described flushing water straight tube is provided with a Flushing nozzle, and the described rear connectivity part measuring pipeline or pre-test pipeline and described absorption tower is pointed in described Flushing nozzle stretches into described absorption tower and its sprinkling direction.
2. the absorption tower demisting device differential pressure measuring installation that band flushing water as claimed in claim 1 is anti-blocking, it is characterised in that the axis direction measuring pipeline and pre-test pipeline after described is 45 ° of-47 ° of angles with horizontal direction.
3. the absorption tower demisting device differential pressure measuring installation that band flushing water as claimed in claim 1 is anti-blocking, it is characterised in that measure the flange arrangement sealed by band between pipeline and pre-test pipeline and two pulse tubes after described and connect.
4. the absorption tower demisting device differential pressure measuring installation that band flushing water as claimed in claim 3 is anti-blocking, it is characterised in that be provided with a stop valve between described pulse tube and flange arrangement.
5. the absorption tower demisting device differential pressure measuring installation that band flushing water as claimed in claim 1 is anti-blocking, it is characterised in that described flushing water Anti-blocking structure also includes the regulation valve being arranged on flushing water supervisor.
6. the absorption tower demisting device differential pressure measuring installation that band flushing water as claimed in claim 5 is anti-blocking, it is characterised in that described regulation valve is a manual ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180241.3U CN205607585U (en) | 2016-03-09 | 2016-03-09 | Take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180241.3U CN205607585U (en) | 2016-03-09 | 2016-03-09 | Take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205607585U true CN205607585U (en) | 2016-09-28 |
Family
ID=56962932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180241.3U Expired - Fee Related CN205607585U (en) | 2016-03-09 | 2016-03-09 | Take sparge water to prevent absorption tower defroster differential pressure measuring device who blocks up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205607585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526787A (en) * | 2022-03-03 | 2022-05-24 | 广州机觉云物联科技有限公司 | Device for improving online service life of liquid level sensor in easily attached slurry |
-
2016
- 2016-03-09 CN CN201620180241.3U patent/CN205607585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526787A (en) * | 2022-03-03 | 2022-05-24 | 广州机觉云物联科技有限公司 | Device for improving online service life of liquid level sensor in easily attached slurry |
| CN114526787B (en) * | 2022-03-03 | 2023-01-31 | 广州机觉云物联科技有限公司 | Device for prolonging online service life of liquid level sensor in easily-adhered slurry |
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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 |
Granted publication date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |