CN203397170U - Coal-fired boiler flue gas treatment project integration control system - Google Patents
Coal-fired boiler flue gas treatment project integration control system Download PDFInfo
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- CN203397170U CN203397170U CN201320374218.4U CN201320374218U CN203397170U CN 203397170 U CN203397170 U CN 203397170U CN 201320374218 U CN201320374218 U CN 201320374218U CN 203397170 U CN203397170 U CN 203397170U
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Abstract
The utility model discloses a coal-fired boiler flue gas treatment project integration control system which comprises a host computer. The host computer is respectively connected with a denitrification control module, a dust removing control module, a desulfurization control module and an online monitoring module through an optical fiber switch. The denitrification control module, the dust removing control module and the desulfurization control module are respectively connected with a denitrification device control unit, a dust removing device control unit and a desulfurization device control unit. The denitrification control module, the dust removing control module, the desulfurization control module and the online monitoring module are connected with the optical fiber switch through a communication unit. The system can automatically control denitrification, dust removing, desulfurization and online monitoring in a flue gas treatment project. A lot of operating personnel, instruments, host computer systems and the like are saved. Data resource sharing between various systems is realized, and the investment cost is reduced.
Description
Technical field
The utility model relates to fire coal boiler fume and processes engineering field, specifically, relates to a kind of fire coal boiler fume and processes engineering integral control system.
Background technology
Denitration of boiler smoke, dedusting, desulfurization, on-line monitoring belong to flue gas together and process engineering, existing denitration on market, dedusting, desulfurization project control system are autonomous systems, set up independent pulpit, every cover system is all set up operations staff, caused artificial waste, patrolled and examined point, instrument, pulpit and master system and increase, and can not realize each data among systems exchange and share, increase front-end investment, to construction, bring very large difficulty and inconvenience.The reason of its existence is that denitration, dedusting, desulfurization, on-line monitoring great majority are not same companies, is difficult to a whole set of boiler flue gas treatment system is integrated.
For the problem in correlation technique, effective solution is not yet proposed at present.
Utility model content
For the problem in correlation technique, the utility model proposes a kind of fire coal boiler fume and process engineering integral control system, can realize operations such as the startup of the denitration in flue gas processing engineering, dedusting, desulfurization, on-line monitoring system equipment stop in boiler pulpit, running status that simultaneously can also watch-dog, read the data of remote transmission instrument, realize the robotization of each system module and control.
The technical solution of the utility model is achieved in that
A kind of fire coal boiler fume is processed engineering integral control system, comprise host computer, described host computer is connected with respectively denitration control module, dedusting control module, desulphurization control module and on-line monitoring module by optical fiber switch, described denitration control module, dedusting control module, desulphurization control module are connected with respectively denitration device control module, cleaner control module, sweetener control module, and described denitration control module, dedusting control module, desulphurization control module and on-line monitoring module are all connected with described optical fiber switch by communication unit.
Wherein, described denitration control module, dedusting control module, desulphurization control module and on-line monitoring module are all connected with remote transmission instrument unit.
In addition, described system also comprises TV monitoring and controlling module, and described TV monitoring and controlling module comprises watch-dog control module, and watch-dog control module is connected with respectively image unit and display unit; Described image unit comprises desulphurization system TV monitoring and controlling point, denitrating system TV monitoring and controlling point, dust pelletizing system TV monitoring and controlling point and on-line monitoring system TV monitoring and controlling point.
The utility model passes through industrial optical fiber Ethernet by the different system integrations to host computer, denitration, dedusting, desulfurization, the on-line monitoring for flue gas, processed in engineering are realized robotization control simultaneously, realize each data among systems resource sharing, reduced cost of investment; Boiler smoke is processed integral control system Desulfurization Control Systems, denitration control system, dedusting control system, Online Monitoring Control System is integrated into a set of host computer, has reduced cost of labor; Boiler smoke is processed integral control system and is adopted industrial optical fiber ethernet communication, and system stability and antijamming capability are strengthened greatly, have more stability; Boiler smoke is processed integral control system Desulfurization Control Systems, denitration control system, dedusting control system, Online Monitoring Control System has been set up to LAN (Local Area Network), can meet each system data real-time exchange, and it goes without doing other circuit; Boiler smoke is processed integral control system host computer quantity and is reduced 3/4, and instrument reduces temperature, pressure, flow etc., is not affecting under the prerequisite of normal use, has reduced hardware cost and difficulty of construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 processes the structured flowchart of engineering integral control system according to a kind of fire coal boiler fume described in the utility model embodiment;
Fig. 2 measures process flow diagram according to the integrated front system temperature of instrument in existing correlation technique;
Fig. 3 is that the system temperature after integrated according to the instrument described in the utility model embodiment is measured process flow diagram.
In figure:
1, host computer; 2, optical fiber switch; 3, denitration control module; 4, dedusting control module; 5, desulphurization control module; 6, on-line monitoring module; 7, denitration device control module; 8, cleaner control module; 9, sweetener control module; 10, communication unit; 11, remote transmission instrument unit; 12, boiler.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, the every other embodiment that those of ordinary skills obtain, belongs to the scope that the utility model is protected.
As shown in Figure 1, according to embodiment of the present utility model, provide a kind of fire coal boiler fume to process engineering integral control system, comprise host computer 1, described host computer 1 is connected with respectively denitration control module 3 by optical fiber switch 2, dedusting control module 4, desulphurization control module 5 and on-line monitoring module 6, described denitration control module 3, dedusting control module 4, desulphurization control module 5 is connected with respectively denitration device control module 7, cleaner control module 8, sweetener control module 9, described denitration control module 3, dedusting control module 4, desulphurization control module 5 is all connected with described optical fiber switch 2 by communication unit 10 with on-line monitoring module 6, described denitration control module 3, dedusting control module 4, desulphurization control module 5 and on-line monitoring module 6 are all connected with remote transmission instrument unit 11.
This system also comprises TV monitoring and controlling module, and described TV monitoring and controlling module comprises watch-dog control module, and watch-dog control module is connected with respectively image unit and shows single; Described image unit comprises desulphurization system TV monitoring and controlling point, denitrating system TV monitoring and controlling point, dust pelletizing system TV monitoring and controlling point and on-line monitoring system TV monitoring and controlling point.
By such scheme of the present utility model, denitration, dedusting, desulfurization, the on-line monitoring that can process in engineering flue gas are realized robotization control.
During concrete use, boiler smoke is processed integral control system only needs two host computers 1, pulpit and boiler 12 system control offices are public, only need a small amount of operations staff to get final product long-range operation, host computer 1 configuration Yi Tai operator station and an engineer station, engineer station Jian Zuo operator station, has realized host computer 1 redundancy, for each system stable operation monitoring provides guarantee.Host computer 1 operating system adopts main flow WIN7 product, programming software and configuration software are selected the software systems of SIEMENS company redaction, guarantee need not to upgrade and upgrade within each software systems for many years, save the front-end investment of each system Construction pulpit, also saved operations staff's cost of labor.
Being configured to of host computer 1: an engineer station ，Yi Tai operator station.Communication modes is: industrial optical fiber Ethernet.Host computer 1 operating system is WIN7.Host computer 1 programming software is: SIEMENSSTEP7V5.5.Host computer 1 configuration software is: SIEMENS WINCC V7.0.The various operation informations of host computer 1 synthesis display, operator is by realizing the supervision to desulphurization system operational process.Real time data and the equipment running status of picture energy procedure for displaying variable.Operator can, by mouse and keyboard, manually control any controlled device in picture.Host computer 1 system has the functions such as general picture demonstration, the demonstration of function group, standard picture disply, data recording and preservation.General picture shows total looks that whole desulphurization system process chart and running status are provided, and demonstrates state, the parameter of main equipment.Function group shows will show all relevant informations of a certain appointed function group, and the demonstration of function group will comprise process input variable, alert if, output valve, setting value, alarming value etc.Data recording and protection provide the standard picture displies such as warning, trend map.Database can record the historical data that sets parameter, can show historical data and print relevant form according to operator's instruction.
Each lower computer system is the system of internal independence, has realized each system integrated without intersecting, and certain cover system is out of order and does not affect other system and normally move, and each lower computer system principal and subordinate adopts open reliable and stable PROFIBUS-DP communication modes.Between host computer 1 and each slave computer, adopt the fast and the most reliable and the most stable industrial optical fiber ethernet communication mode of communication speed in the world, the communication modes that industrial optical fiber Ethernet antijamming capability is internationally recognized optimum at all communication modes, and communication distance is also the longest.
On-line monitoring module 6 is configured to: SIEMENS S7-200PLC ，Yi main website, and without slave station.By Ethernet optical fiber switch 2, be connected with host computer 1.The slave computer programming language of on-line monitoring module 6 adopts LAD.On-line monitoring module 6 mainly comprises remote transmission instrument unit 11, communication unit 10 etc.Remote transmission instrument unit 11 passes through collection in worksite, two-wire system or the transmission of four-wire system signal, signal pattern analog quantity is 4～20mADC signal, upload on-line monitoring PLC system, through processing and special computing, realize the functions such as data acquisition (DAS), analog quantity control (MCS), demonstration, modification, setting and management.Communication unit is connected ，IP address at the same network segment by PLC ethernet module with optical fiber switch 2.
TV monitoring and controlling module comprises watch-dog control module, and watch-dog control module is connected with respectively image unit and display unit; Described image unit comprises desulphurization system TV monitoring and controlling point, denitrating system TV monitoring and controlling point, dust pelletizing system TV monitoring and controlling point and on-line monitoring system TV monitoring and controlling point; Desulphurization system TV monitoring and controlling point comprises: recirculation pump house, desulfurizer, medicament are prepared workshop, dehydration workshop, switchgear building.Denitrating system TV monitoring and controlling point comprises: dilution metering module, jet module, switchgear building.Dust pelletizing system TV monitoring and controlling point comprises: ash-transmission system, ash discharging system, switchgear building.TV monitor system is an important component part in industrial safety operation architecture, by remote-controlled camera and utility appliance (The Cloud Terrace, camera lens etc.) direct viewing thereof, is monitored the ruuning situation of place equipment, very clear.On-line monitoring system TV monitoring and controlling point comprises: on-line monitoring chamber.The switching of the control system any part method of operation, no matter be artificial or automatic by interlocking system, can smoothly carry out, and can not cause the disturbance of process variable, and not need operations staff's correction.
As Figure 2-3, boiler smoke is processed integral control system and the communication of boiler control system exchange data using Industrial Ethernet, boiler data (as: boiler load, fire box temperature, exit gas temperature etc.) communication to boiler smoke is processed integral control system host computer 1 system, and each lower computer system has been realized data sharing.In existing system, metered quantity is more, do not exist instrument to share, equipment is complicated, financial cost is high, this boiler smoke is processed integral control system remote transmission instrument unit 11 and is arranged routinely, part instrument and other system share, reduced financial cost, system equipment is simple, steam generator system exhanst gas outlet temperature can be used as denitrating system gas approach temperature, denitrating system exhanst gas outlet temperature can be used as dust pelletizing system gas approach temperature, dust pelletizing system exhanst gas outlet temperature can be used as desulphurization system gas approach temperature, desulphurization system exit gas temperature is as steam generator system exhanst gas outlet temperature.Flue gas pressures can be arranged according to flue-gas temperature.
In sum, by means of technique scheme of the present utility model, by industrial optical fiber Ethernet by the different system integrations to host computer, denitration, dedusting, desulfurization, the on-line monitoring for flue gas, processed in engineering are realized robotization control simultaneously, through repeatedly testing and summing up, boiler smoke is processed integral control system and is applicable to every profession and trade fire coal boiler fume processing engineering control system.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; 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 (4)
1. a fire coal boiler fume is processed engineering integral control system, it is characterized in that, comprise host computer (1), described host computer (1) is connected with respectively denitration control module (3) by optical fiber switch (2), dedusting control module (4), desulphurization control module (5) and on-line monitoring module (6), described denitration control module (3), dedusting control module (4), desulphurization control module (5) is connected with respectively denitration device control module (7), cleaner control module (8), sweetener control module (9), described denitration control module (3), dedusting control module (4), desulphurization control module (5) is all connected with described optical fiber switch (2) by communication unit (10) with on-line monitoring module (6).
2. system according to claim 1, is characterized in that, described denitration control module (3), dedusting control module (4), desulphurization control module (5) and on-line monitoring module (6) are all connected with remote transmission instrument unit (11).
3. system according to claim 2, is characterized in that, also comprises TV monitoring and controlling module, and described TV monitoring and controlling module comprises watch-dog control module, and watch-dog control module is connected with respectively image unit and display unit.
4. system according to claim 3, is characterized in that, described image unit comprises desulphurization system TV monitoring and controlling point, denitrating system TV monitoring and controlling point, dust pelletizing system TV monitoring and controlling point and on-line monitoring system TV monitoring and controlling point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320374218.4U CN203397170U (en) | 2013-06-27 | 2013-06-27 | Coal-fired boiler flue gas treatment project integration control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320374218.4U CN203397170U (en) | 2013-06-27 | 2013-06-27 | Coal-fired boiler flue gas treatment project integration control system |
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| CN203397170U true CN203397170U (en) | 2014-01-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056537A (en) * | 2014-07-08 | 2014-09-24 | 无锡华东琛科环保科技有限公司 | Gas desulfurization-denitration-dedusting comprehensive intelligent control system of steel pellet sintering machine |
| CN104252155A (en) * | 2013-06-27 | 2014-12-31 | 北京青山绿野环保科技有限公司 | Integrated control system for coal-fired boiler flue gas treatment projects |
| CN106997187A (en) * | 2016-01-22 | 2017-08-01 | 长沙敏瑞自动化设备有限公司 | A kind of flue gas desulfurization host computer control system |
-
2013
- 2013-06-27 CN CN201320374218.4U patent/CN203397170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252155A (en) * | 2013-06-27 | 2014-12-31 | 北京青山绿野环保科技有限公司 | Integrated control system for coal-fired boiler flue gas treatment projects |
| CN104056537A (en) * | 2014-07-08 | 2014-09-24 | 无锡华东琛科环保科技有限公司 | Gas desulfurization-denitration-dedusting comprehensive intelligent control system of steel pellet sintering machine |
| CN106997187A (en) * | 2016-01-22 | 2017-08-01 | 长沙敏瑞自动化设备有限公司 | A kind of flue gas desulfurization host computer control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Integrated control system for coal-fired boiler flue gas treatment projects Effective date of registration: 20141224 Granted publication date: 20140115 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING CHINSUNY ENVIRONMENTAL PROTECTION TECH CO., LTD. Registration number: 2014990001118 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160115 Granted publication date: 20140115 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING CHINSUNY ENVIRONMENTAL PROTECTION TECH CO., LTD. Registration number: 2014990001118 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20140115 Termination date: 20210627 |