CN104932460A - MFI and desulphurization system signal communication method - Google Patents
MFI and desulphurization system signal communication method Download PDFInfo
- Publication number
- CN104932460A CN104932460A CN201510213549.3A CN201510213549A CN104932460A CN 104932460 A CN104932460 A CN 104932460A CN 201510213549 A CN201510213549 A CN 201510213549A CN 104932460 A CN104932460 A CN 104932460A
- Authority
- CN
- China
- Prior art keywords
- desulphurization system
- signal
- mft
- mfi
- boiler
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000006477 desulfuration reaction Methods 0.000 description 17
- 230000023556 desulfurization Effects 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
Provided is an MFI and desulphurization system signal communication method, belonging to the thermal power generation equipment field. An MFT emits continuous signals to a desulphurization system, the signals are continuously transmitted to the desulphurization system until faults are removed by people, and then an MFT reset signal is stopped. The method can overcome signal mismatching between a present MFI and a boiler desulphurization system, and continuous operation of the desulphurization system after the MFI emits signals.
Description
Technical field
The invention belongs to steam power plant field, particularly the signal communication means of a kind of MFT and desulphurization system.
Background technology
In thermal power generation corporations, it is the course of work chemical energy of fuel being converted to electric energy, fuel combustion process relies on boiler to carry out, MFT is the abbreviation to the automatic Protection of equipment in the middle of boiler operatiopn, when MFT sends alerting signal, all can receive with the various equipment of boiler matching the signal that MFT sends, thus quit work or change running parameter; At present, in fuel-burning power plant, due to environmental requirement, reduce the sulphuric dioxide in boiler emission, must carry out desulfurization process to boiler exhaust gas, having increases a set of desulphurization system in other words and is just allowed to particularly coal-burning boiler and normally runs; In the control system of current desulphurization system, after requiring input signal time delay 10 second, just the control system of desulphurization system quits work, arrange in order to desulphurization system frequent shutdown when overcoming that signal sensitivity is too sensitive causes wrong signal to input like this; And at present MFT sends is all the of short duration pulse signal being no more than for 1 second, just cause after MFT sends signal, desulphurization system does not quit work, and causes the desulphurization system wasting of resources.
Summary of the invention
Do not mate with desulphurization system communication signal for existing MFT, cause MFT to the problem of the inefficacy of desulphurization system, the present invention proposes the signal communication means of a kind of MFT and desulphurization system, it is characterized in that: what MFT sent to desulphurization system is continuous signal, signal maintains always and is transferred to desulphurization system, MFT reset signal is stopped after eliminating fault until artificial.
Beneficial effect
Beneficial effect of the present invention is, can overcome existing MFT and not mate with the signal of boiler desulfurization system, avoids MFT to send the not out-of-work defect of desulphurization system after signal.
Embodiment
In order to further illustrate technical scheme of the present invention, now further illustrate the specific embodiment of the present invention in conjunction with example, adopt the MFT system that the industry is general, by MFT and boiler desulfurization system communication signal production module and signal output module design become when MFT reports to the police, signal generation module and signal output module export continuous signal to boiler desulfurization system, other signals occur and output module function constant, adopt the signal receiving module of the boiler desulfurization system that the industry is general, like this when MFT reports to the police, the signal output module of MFT and boiler devulcanizer communication exports continuous signal, after boiler desulfurization system signal reception module receives the signal that MFT sends, there is no action, boiler desulfurization system acceptance to MFT continuous signal more than 10 second time, the control device of boiler desulfurization system sends instruction, control whole boiler desulfurization system to quit work in order, and now MFT is lasting to the signal that boiler desulfurization system sends, now open boiler desulfurization system, also can by the control device of boiler desulfurization system as fault-signal process, and instruction boiler desulfurization system stalls, that is, now boiler desulfurization system can not start, only have after boiler failure is got rid of, manually MFT is resetted, now MFT stops outwardly sending alerting signal, and the signal of boiler desulfurization system acceptance stops, now open boiler desulfurization system, enter owing to there is no the failure alarm signal of MFT, boiler desulfurization system will normally start, normal work, so both avoided desulphurization system when existing MFT sends signal not quit work, also prevent desulphurization system when boiler exists fault and start work separately, ensured that the normal reliable of power plant boiler system is run.
Claims (1)
1. a signal communication means for MFT and desulphurization system, is characterized in that: what MFT sent to desulphurization system is continuous signal, and signal maintains always and is transferred to desulphurization system, MFT reset signal is stopped after eliminating fault until artificial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213549.3A CN104932460B (en) | 2015-04-30 | 2015-04-30 | MFT and desulphurization system a kind of signal communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213549.3A CN104932460B (en) | 2015-04-30 | 2015-04-30 | MFT and desulphurization system a kind of signal communication method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104932460A true CN104932460A (en) | 2015-09-23 |
| CN104932460B CN104932460B (en) | 2017-07-11 |
Family
ID=54119664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510213549.3A Expired - Fee Related CN104932460B (en) | 2015-04-30 | 2015-04-30 | MFT and desulphurization system a kind of signal communication method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104932460B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419358A (en) * | 1993-08-02 | 1995-05-30 | Francis Myrtil | Gas monitoring system for a boiler |
| CN103280768A (en) * | 2013-05-22 | 2013-09-04 | 珠海兴业绿色建筑科技有限公司 | Arc-control device and arc-control method applied in photovoltaic combiner box |
| CN103499958A (en) * | 2013-09-30 | 2014-01-08 | 中国神华能源股份有限公司 | Method and device for controlling MFT (Main Fuel Trip) |
| CN103676859A (en) * | 2013-12-04 | 2014-03-26 | 国网河南省电力公司安阳供电公司 | Large coal-fired boiler wet-process flue gas desulfurization device control system |
| CN103885397A (en) * | 2013-12-23 | 2014-06-25 | 南宁职业技术学院 | Wet process flue gas desulphurization intelligent monitoring system and method |
-
2015
- 2015-04-30 CN CN201510213549.3A patent/CN104932460B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419358A (en) * | 1993-08-02 | 1995-05-30 | Francis Myrtil | Gas monitoring system for a boiler |
| CN103280768A (en) * | 2013-05-22 | 2013-09-04 | 珠海兴业绿色建筑科技有限公司 | Arc-control device and arc-control method applied in photovoltaic combiner box |
| CN103499958A (en) * | 2013-09-30 | 2014-01-08 | 中国神华能源股份有限公司 | Method and device for controlling MFT (Main Fuel Trip) |
| CN103676859A (en) * | 2013-12-04 | 2014-03-26 | 国网河南省电力公司安阳供电公司 | Large coal-fired boiler wet-process flue gas desulfurization device control system |
| CN103885397A (en) * | 2013-12-23 | 2014-06-25 | 南宁职业技术学院 | Wet process flue gas desulphurization intelligent monitoring system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104932460B (en) | 2017-07-11 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20170711 Termination date: 20200430 |