CN203955008U - Boiler smoke SO 2content control system - Google Patents
Boiler smoke SO 2content control system Download PDFInfo
- Publication number
- CN203955008U CN203955008U CN201320836963.6U CN201320836963U CN203955008U CN 203955008 U CN203955008 U CN 203955008U CN 201320836963 U CN201320836963 U CN 201320836963U CN 203955008 U CN203955008 U CN 203955008U
- Authority
- CN
- China
- Prior art keywords
- lime stone
- boiler
- outlet
- air
- introduced machine
- 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 - Lifetime
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 22
- 239000006028 limestone Substances 0.000 claims abstract description 58
- 235000019738 Limestone Nutrition 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 210000000481 breast Anatomy 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of boiler smoke SO
2content control system, comprises DCS, is arranged on the frequency conversion rotary feeder and the lime stone flowmeter that connect on boiler inlet and lime stone storehouse outlet conduit, and is arranged on the SO connecting on boiler export and chimney breast
2analyzer and air-introduced machine, exit, described lime stone storehouse arranges conveying fan, described frequency conversion rotary feeder is arranged between the outlet of lime stone storehouse and conveying fan, on pipeline between described conveying fan outlet and boiler inlet, lime stone flowmeter is set, described air-introduced machine entrance is connected by pipeline with boiler export, described air-introduced machine outlet is connected by pipeline with chimney, described SO
2analyzer is arranged in the outlet and the pipeline between chimney of air-introduced machine.Realize boiler smoke SO
2automatically control, reduce consumption of limestone amount, reduce labor strength and reduce SO
2the object that air is polluted.
Description
Technical field
The utility model relates to lime stone and generates apparatus field, particularly, relates to a kind of boiler smoke SO
2content control system.
Background technology
At present, a large amount of gaseous contaminant (SO that coal-burning boiler produces
2, NOx, flue dust etc.) be the strict atmosphere pollution of controlling of national environmental protection department, environment is caused to serious pollution, be the polluter that national environmental protection method is clearly stipulated to carry out outer row's monitoring and reached discharge standard, must build CEMS system and carry out outer row's monitoring in real time.
Coal-burning boiler is working condition and the desulfuration efficiency of Real-Time Monitoring, inspection and control desulfurizer, in order to avoid cause desulfurizer to go wrong, carries out at any time the inspection of desulfuration efficiency and calculates monitoring.
At present, my company is only provided with a total CEMS system (flue gas automatic monitored control system) and carries out outer row in real time and monitor (A, B, C stove always discharge) at chimney place, and it is foundation that this result of monitoring also be take in Environmental Protection Agency.And every boiler is not carried out to independent SO
2measure, but boiler be all generally two move simultaneously one standby, when monitoring SO
2exceed standard, operating personnel cannot identification be the SO of which platform boiler actually
2exceed standard, and can only strengthen lime stone inlet amount to two boilers that moving simultaneously, be easy to like this cause lime stone excess, and make lime stone reach full, close, not only waste lime stone but also make to be difficult to reach grey balance, the particle of flue gas is exceeded standard.
The SO moving at present
2control system, cannot meet the emission request of new standard, and consumption of limestone amount is far beyond standard.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of boiler smoke SO
2content control system, to realize boiler smoke SO
2automatically control, reduce consumption of limestone amount, reduce labor strength and reduce SO
2the advantage that air is polluted.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of boiler smoke SO
2content control system, comprises DCS, is arranged on the frequency conversion rotary feeder and the lime stone flowmeter that connect on boiler inlet and lime stone storehouse outlet conduit, and is arranged on the SO connecting on boiler export and chimney breast
2analyzer and air-introduced machine, exit, described lime stone storehouse arranges conveying fan, described frequency conversion rotary feeder is arranged between the outlet of lime stone storehouse and conveying fan, on pipeline between described conveying fan outlet and boiler inlet, lime stone flowmeter is set, described air-introduced machine entrance is connected by pipeline with boiler export, described air-introduced machine outlet is connected by pipeline with chimney, described SO
2analyzer is arranged in the outlet and the pipeline between chimney of air-introduced machine, the output of the frequency-variable controller of described frequency conversion rotary feeder and SO
2the input of analyzer is electrically connected to, described SO
2the output of analyzer is electrically connected to the input of DCS, and the output of described DCS is electrically connected to the input of the frequency-variable controller of frequency conversion rotary feeder, frequency conversion rotary feeder, lime stone flowmeter, SO
2analyzer forms a control loop, according to predefined SO2 content, regulates the lime stone batcher frequency conversion of separate unit boiler, controls the lime stone amount consumption of separate unit boiler.
Further, on the pipeline between institute's boiler export and air-introduced machine entrance, electric dust collector is set.
Further, described SO
2analyzer is packed in the outlet of air-introduced machine.
The technical solution of the utility model has following beneficial effect:
The technical solution of the utility model, by the frequency conversion rotary feeder that regulates lime stone addition is set, by lime stone flowmeter, and SO
2analyzer, lime stone flowmeter is for the instantaneous and integrated flow of accurate measurement lime stone, SO
2analyzer is used for analyzing boiler smoke SO
2content, and the data upload detecting is arrived to DCS, DNS regulates the frequency conversion rotary feeder feed frequency of separate unit boiler according to the data that receive, control the lime stone amount consumption of boiler, thereby substitutes the Artificial Control mode of prior art, reaches boiler smoke SO
2the object that content is controlled automatically; Thereby overcome, in prior art, consumption of limestone amount is high, labor strength large, boiler smoke SO
2content fluctuation exceeds standard greatly and frequently, the unsettled defect of technology controlling and process, and to realize, consumption of limestone amount is low, labor strength is little, boiler smoke SO
2content is precisely controlled, steam generator system is stable, reduces SO
2the object that air is polluted.
Accompanying drawing explanation
Fig. 1 is the boiler smoke SO described in the utility model embodiment
2the structural representation of content control system;
Fig. 2 is the boiler smoke SO described in the utility model embodiment
2content control system electrical connection theory diagram.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
1-conveying fan; 2-lime stone storehouse; 3-lime stone flowmeter; 4-boiler; 5-electric precipitation; 6-air-introduced machine; 7-SO
2analyzer; 8-chimney; 9-frequency conversion rotary feeder.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, a kind of boiler smoke SO
2content control system, comprises DCS, is arranged on the frequency conversion rotary feeder 9 and the lime stone flowmeter 3 that connect on boiler 4 imports and lime stone storehouse 2 outlet conduits, and is arranged on the SO connecting on boiler 4 outlets and chimney 8 pipelines
2analyzer 7 and air-introduced machine 6,2 exits, lime stone storehouse arrange conveying fan 1, frequency conversion rotary feeder 9 is arranged between 2 outlets of lime stone storehouse and conveying fan 1, on pipeline between conveying fan 1 outlet and boiler 4 imports, lime stone flowmeter 3 is set, air-introduced machine 6 entrances are connected by pipeline with boiler 4 outlets, air-introduced machine 6 outlets are connected by pipeline with chimney 8, SO
2analyzer 7 is arranged in the outlet and the pipeline between chimney 8 of air-introduced machine 6, the output of the frequency-variable controller of frequency conversion rotary feeder 9 and SO
2the input of analyzer 7 is electrically connected to, SO
2the output of analyzer 7 is electrically connected to the input of DCS, and the output of DCS (dcs) is electrically connected to the input of the frequency-variable controller of frequency conversion rotary feeder.
Wherein, on the pipeline between boiler export and air-introduced machine entrance, electric dust collector is set.SO
2analyzer 7 is packed in the outlet of air-introduced machine 6.
As shown in Figure 1, boiler smoke SO
2content control system, comprise for regulating the frequency conversion rotary feeder 9 of lime stone addition, the lime stone flowmeter 3 being connected with described frequency conversion rotary feeder outlet by the pipe fitting that is equipped with and valve, and by the pipe fitting that is equipped with and valve installation the SO in air-introduced machine exit
2analyzer.Lime stone flowmeter is for the instantaneous and integrated flow of accurate measurement lime stone, SO
2analyzer is used for analyzing boiler smoke SO
2content, and the data upload detecting is arrived to DCS, DCS is according to predefined SO
2content, regulates the lime stone batcher frequency conversion of separate unit boiler, controls the lime stone amount consumption of boiler, realizes SO in flue gas
2in time, effectively, precisely control.
As Fig. 1, frequency conversion rotary feeder is arranged on the outlet of lime stone feed bin, the import of conveying fan, regulate lime stone addition number.Lime stone flowmeter is installed, instantaneous delivery and the integrated flux of metering lime stone on conveying fan outlet line.SO
2before analyzer is arranged on boiler induced-draft fan outlet and chimney, the SO in monitoring boiler smoke
2content.Three forms a control loop, according to predefined SO
2content, regulates the lime stone batcher frequency conversion of separate unit boiler, controls the lime stone amount consumption of separate unit boiler.
As Fig. 2, frequency conversion rotary feeder, lime stone flowmeter, SO
2analyzer three forms a control loop, according to predefined SO
2content, regulates the lime stone batcher frequency conversion of separate unit boiler, controls the lime stone amount consumption of separate unit boiler, thereby realizes boiler smoke SO
2the automatic control of content.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a boiler smoke SO
2content control system, is characterized in that, comprises DCS, is arranged on the frequency conversion rotary feeder and the lime stone flowmeter that connect on boiler inlet and lime stone storehouse outlet conduit, and is arranged on the SO connecting on boiler export and chimney breast
2analyzer and air-introduced machine, exit, described lime stone storehouse arranges conveying fan, described frequency conversion rotary feeder is arranged between the outlet of lime stone storehouse and conveying fan, on pipeline between described conveying fan outlet and boiler inlet, lime stone flowmeter is set, described air-introduced machine entrance is connected by pipeline with boiler export, described air-introduced machine outlet is connected by pipeline with chimney, described SO
2analyzer is arranged in the outlet and the pipeline between chimney of air-introduced machine, the output of the frequency-variable controller of described frequency conversion rotary feeder and SO
2the input of analyzer is electrically connected to, described SO
2the output of analyzer is electrically connected to the input of DCS, and the output of described DCS is electrically connected to the input of the frequency-variable controller of frequency conversion rotary feeder; Frequency conversion rotary feeder, lime stone flowmeter, SO
2analyzer forms a control loop, according to predefined SO
2content, regulates the lime stone batcher frequency conversion of separate unit boiler, controls the lime stone amount consumption of separate unit boiler.
2. boiler smoke SO according to claim 1
2content control system, is characterized in that, on the pipeline between institute's boiler export and air-introduced machine entrance, electric dust collector is set.
3. boiler smoke SO according to claim 1 and 2
2content control system, is characterized in that, described SO
2analyzer is packed in the outlet of air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836963.6U CN203955008U (en) | 2013-12-18 | 2013-12-18 | Boiler smoke SO 2content control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836963.6U CN203955008U (en) | 2013-12-18 | 2013-12-18 | Boiler smoke SO 2content control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203955008U true CN203955008U (en) | 2014-11-26 |
Family
ID=51915651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320836963.6U Expired - Lifetime CN203955008U (en) | 2013-12-18 | 2013-12-18 | Boiler smoke SO 2content control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203955008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536488A (en) * | 2015-12-11 | 2016-05-04 | 新疆生产建设兵团农八师天山铝业有限公司 | Control method for SO2 during semi-dry desulfurization |
| CN111760427A (en) * | 2020-06-28 | 2020-10-13 | 淮南北新建材有限公司 | Gypsum board production line, gas treatment device and gas treatment method thereof |
-
2013
- 2013-12-18 CN CN201320836963.6U patent/CN203955008U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536488A (en) * | 2015-12-11 | 2016-05-04 | 新疆生产建设兵团农八师天山铝业有限公司 | Control method for SO2 during semi-dry desulfurization |
| CN105536488B (en) * | 2015-12-11 | 2018-04-27 | 新疆生产建设兵团农八师天山铝业有限公司 | A kind of control method using semi-dry desulphurization SO2 |
| CN111760427A (en) * | 2020-06-28 | 2020-10-13 | 淮南北新建材有限公司 | Gypsum board production line, gas treatment device and gas treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |