CN101989084B - Data release system for thermal power station and matched system - Google Patents
Data release system for thermal power station and matched system Download PDFInfo
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- CN101989084B CN101989084B CN200910304931XA CN200910304931A CN101989084B CN 101989084 B CN101989084 B CN 101989084B CN 200910304931X A CN200910304931X A CN 200910304931XA CN 200910304931 A CN200910304931 A CN 200910304931A CN 101989084 B CN101989084 B CN 101989084B
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- 238000004891 communication Methods 0.000 claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 claims description 29
- 230000023556 desulfurization Effects 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000007726 management method Methods 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
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- 238000002955 isolation Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000004886 process control Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
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- 230000008901 benefit Effects 0.000 description 1
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- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
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Abstract
The invention discloses a process data release system for a thermal power station and a matched production system thereof. The data release system comprises a PHD mirror image server (1), a WorkCenter server (2), an external information network (3), a gatekeeper (4), a PHD master server (5), a thermal power station DCS system (6), an INSQL communication interface machine(7), a desulphurization system INSQL server (8), a desulphurization control system (9), a water desulphurization, acid manufacturing and acid storehouse system (15) and a second outlet metering station system (10), wherein the PHD mirror image server (1) is connected between the WorkCenter server (2) and the gatekeeper (4); the WorkCenter server (2) is connected between the PHD mirror image server (1) and the external information network (3) and establishes a dynamic link together with the PHD mirror image server (1); the gatekeeper (4) is connected between the PHD mirror image server (1) and the PHD master server (5); the PHD master server (5) is connected with the thermal power station DCS system (6), the INSQL communication interface machine(7) and the desulphurization system INSQL server (8); and the desulphurization system INSQL server (8) is connected with the desulphurization control system (9), the water desulphurization, acid manufacturing and acid warehouse system (15) and the second outlet metering station system (10) respectively.
Description
Technical field
The present invention relates to the data distribution system of a kind of thermo-power station and corollary system thereof.
Background technology
Cogeneration plant's Style Product Information Management System is to be the computer system of major function with production information collection, transmission, demonstration and report making.In recent years, this network has been brought into play very big effect in the production scheduling of cogeneration plant commander and decision-making, has become traffic department at present and organize, commands, coordinates production and engineering department instructs, the indispensable means of decision-making production.
Middle aluminium Guizhou cogeneration plant of branch office is because the needs of ability are expanded in raising the output; Carry out the desulfur technology transformation according to planning investment construction second thermo-power station and to boiler smoke; Newly-built at present 4 160t medium temperature and medium pressure circulating fluidized bed boilers and 2 supporting steam turbines, 3 old turbine control systems originally also change DCS into thereupon.Have in the simultaneously supporting newly-built or reconstruction: process systems such as desulfurization relieving haperacidity, soft water station, heavy oil station and steam (vapor) outlet metering.Other has the dismounting of 8 (1～No. 8) old coal-powder boilers and 1～No. 5 steam turbine; Because the transformation of these process equipments causes cogeneration plant's Style Product Information Management System of operation at present to adopt the needs that can not adapt to the data issuing of new thermo-power station and corollary system on mode, the application function at network structure, number.
In view of second thermo-power station is gone into operation; Comprehensively, balancedly the production of tissue, balance and coordination cogeneration plant is most important for production scheduling department of cogeneration plant for the production information of corollary systems such as new boiler room, desulfurization relieving haperacidity and the second outlet test satellite location, thereby is badly in need of setting up the data distribution system of a kind of thermo-power station and corollary system thereof.
Summary of the invention
The technical matters that the present invention will solve is: the sub-control equipment of data issuing of a kind of thermo-power station and corollary system thereof is provided, to overcome the deficiency of the data issuing needs that can not adapt to new thermo-power station and corollary system that prior art exists.
Technical scheme of the present invention comprises
The PHD mirror image server is connected between WorkCenter server and the gateway, is used to receive and store the production process data that the PHD master server comes through the gateway transmission;
The WorkCenter server is connected between PHD mirror image server and the external information net, sets up dynamic link with the PHD mirror image server, is used for external domain control computer network user issue is comprised the webpage of production process data;
The external information net is the computer network of a territory control, and the user on it can pass through the webpage in the IE browser access WorkCenter server after logining the WorkCenter server, and from webpage, obtains production process data;
Gateway is connected between mirror image PHD server and the main PHD server, is used for the isolation between external information net and the internal control net;
The PHD master server is connected with thermo-power station DCS system, INSQL communication interface machine and desulphurization system INSQL server, is used for information storage, protocol conversion and transmission;
Desulphurization system INSQL server is connected with desulfurization control system, desulfurization water, relieving haperacidity and sour storehouse system respectively, and is connected with the second outlet test satellite location system, is used for collection, reception, storage and the transmission of data.
Described thermo-power station DCS system is connected, passes through steam turbine communication interface machine through boiler communication interface machine and is connected with steam turbine DCS system with boiler DCS system.
Described desulfurization control system comprises
Main website of CANSOLV system equipment is used to control that boiler smoke pre-wash, venturi throat are regulated, the management of the absorption of amine liquid for desulphurization and parsing and CANSOLV purification section control system, filtration workshop section control system;
CANSOLV purification section control system belongs to the substation of main website of CANSOLV system equipment, is used for the purification of amine liquid for desulphurization after resolving;
CANSOLVCANSOLV filters workshop section's control system, belongs to the substation of main website of CANSOLV system equipment, is used for amine liquid for desulphurization and after resolving, filters soot dust granule wherein.
Described desulfurization water, relieving haperacidity and sour storehouse system comprise
Desulfurization water conservancy project section control system; Be used for the control of desulfurated circulating water and desulfurization wastewater; And with the OPC mode data are sent in the desulphurization system INSQL server through host computer; With the OPC mode running state data of the SO2 blower fan of the steam generator system in the desulphurization system INSQL server is read simultaneously, show at host computer;
Relieving haperacidity workshop section control system is used for the relieving haperacidity process control, and data is sent in the desulphurization system INSQL server with the OPC mode through host computer;
Acid storehouse workshop section control system is used for the shipment control of sulfuric acid, and data is sent in the desulphurization system INSQL server with the OPC mode through host computer.
Desulphurization system INSQL server is connected with the boiler communication interface machine of thermo-power station DCS system through optical cable.
The described second outlet test satellite location system comprises
The second outlet test satellite location system communication interface message processor (IMP) is connected between serial communication server and the desulphurization system INSQL server; Be used for data acquisition, through the serial communication collection of server Shanghai data of the YF202 type intelligent flow-integrating instrument produced of Lip river instrument company not; Be used for data and transmit, the total data that collects is sent in the desulphurization system INSQL server with the OPC mode; Be used for instrument management, through the setting and the calibration of self human-machine interface organized data capture program, code system conversion, YF202 type intelligent flow-integrating instrument;
The serial communication server; Be connected between the second outlet test satellite location system communication interface message processor (IMP) and the YF202 type intelligent flow-integrating instrument; Be used for protocol conversion, accomplish between RS-485 communications protocol and the TCP/IP communications protocol and change, promptly realize the conversion between RS-485 interface and RJ-45 interface; Be used for network management, the RS-485 network is managed, realize the communication between a computing machine and many YF202 type intelligent flow-integrating instruments, i.e. the communication of ONE TO N;
YF202 type intelligent flow-integrating instrument is used for the flow metering of second outlet, and transmits data through serial communication server, the second outlet test satellite location system communication interface message processor (IMP).
The invention provides the sub-control equipment of data issuing of a whole set of thermo-power station and corollary system thereof; The needs that can adapt to the data issuing of new thermo-power station and corollary system; Grasp the production run state of system in time, exactly, produce, improve the business economic benefit thereby comprehensively, balancedly organize.
Description of drawings
Fig. 1 is that system of the present invention connects synoptic diagram.
Embodiment
Embodiments of the invention: the 1200000 tons of extension projects of aluminium oxide with middle aluminium Guizhou branch office are that example describes.1,200,000 tons of extension projects of aluminium oxide are just planned the data integration and the information issue of new systems such as second thermo-power station when demonstration and engineering design, and when equipment purchase, are considered the PHD real-time dataBase system and the WorkCenter data issuing portal website of configuration Honeywell company.This data publishing platform not only can be accomplished the storage and the issue of the production information of second thermo-power station, 4 stoves, 5 machines, has considered also that simultaneously system datas such as desulfurization relieving haperacidity get into wherein capacity and ability.
PHD real-time dataBase system and WorkCenter data issuing portal website are as the main product of Honeywell company, and the application scale of its data can all have application in industries such as electric power, metallurgy, papermaking, petrochemical industry from tens thousand of to millions of point data.
In view of the capacity and the sufficient data storage and the issue of having supported corollary systems such as second thermo-power station, desulfurization relieving haperacidity and the second outlet test satellite location of ability of data integration of forming by PHD and WorkCenter and distribution platform, so this programme will be data integration and distribution platform with PHD real-time dataBase system and WorkCenter data issuing portal website.Technical scheme of the present invention is implemented, in conjunction with accompanying drawing 1 explanation as follows:
Technical scheme of the present invention comprises
PHD mirror image server 1 is connected between WorkCenter server and the gateway 4, is used to receive and store the production process data that PHD master server 5 comes through gateway 4 transmission.Major function: 1. communications protocol conversion.The production process data of expressing with udp protocol that reception is transmitted from gateway 4, and be converted into the form of ICP/IP protocol.2. the production process data behind the translation-protocol is deposited in the inner real-time data base with the OPC mode.3. respond the data linking request that WorkCenter server 2 sends.
WorkCenter server 2 is connected between PHD mirror image server 1 and the external information net 3, is used for external domain control computer network user issue is comprised the webpage of production process data.Major function: 1. management of webpage.Editor, modification, storage webpage; Webpage tree chained list is set up and is safeguarded; The logical relation of data link table foundation in data presentation frame and the PHD mirror image server 1 in the webpage.2. door management.The request that adds the computer network user of controlling in the territory accessed web page on the response external Information Network 3.And the webpage that the user is asked is published on the screen of subscriber computer with backstage background form.3. data presentation frame in the webpage that shows on the subscriber computer screen and PHD mirror image server 1 are set up dynamic link.In case the data variation in PHD mirror image server 1 real-time data base, the data presentation frame content in the webpage that then shows on the subscriber computer screen also change thereupon.
External information net 3 is computer networks of a territory control, and the user on it can pass through the webpage in the common IE browser access WorkCenter server 2 after logining the WorkCenter server, and from webpage, obtains production process data;
Gateway 4 is connected between mirror image PHD server 1 and the main PHD server 5.Be used for the isolation between external information net and the internal control net.Major function: Network Isolation.This partition method is based on physical mechanism.Its principle of work is the data of folk prescription to transmission udp protocol form, forbids that simultaneously any request of external information net 3 gets into the internal control net.
PHD master server 5 is connected with thermo-power station DCS system 6, INSQL communication interface machine 7 and desulphurization system INSQL server 8; Major function: 1. protocol conversion.Data in the real-time data base of inside are read with the OPC mode, and be to send to gateway 4 behind the udp protocol form by the ICP/IP protocol format conversion it.2. Data Receiving.The boiler DCS 6-2 of system, the steam turbine DCS 6-3 of system that reception boiler communication interface machine 6-1, steam turbine communication interface machine 6-3 transmit with the OPC mode; Receive desulphurization system INSQL server 8 data that desulphurization system communication interface machine 7 transmits with HoneywellRDIFor Wonderware mode.3. data storage.The data that the communication interface machine is transmitted deposit in the inner real-time data base after adding time tag.It is the same at each envelope loam cake " postmark " that this process is similar to the post office, and like this, data have just had the time " attribute ", can have been reviewed.
Desulphurization system INSQL server 8 is connected with desulfurization control system 9, desulfurization water, relieving haperacidity and sour storehouse system 15 respectively, and is connected with the second outlet test satellite location system 10, is used for collection, reception, storage and the transmission of data.Specifically be connected to: desulphurization system INSQL server 8 is connected with boiler communication interface machine 6-1 with the communication interface machine 10-1 that desulfurization control system 9, desulfurization water system 15-1, acid making system 15-2, the sour storehouse 15-3 of system, second of the production of CANADA (Canada) CANSOLV company export test satellite location system 10 respectively, is used for collection, reception, storage and the transmission of data.Major function: 1. data acquisition.Gather the total data among the CANSOLV equipment 9-1 of main website, CANSOLV purification section control system 9-2, the CANSOLV filtration control system 9-3 of workshop section.2. Data Receiving.Receive from the part data among the boiler communication interface machine 6-1 with the OPC mode.Because boiler is a upstream process, desulfurization is a lower procedure, and the running status of upstream process outlet device need get into the control system of lower procedure, so that realize that protection is chain.Receive desulfurization water system 15-1, acid making system 15-2, the sour storehouse 15-3 of system through the data of host computer transmission and the data of the second outlet test satellite location system communication interface message processor (IMP) 10-1 transmission with the OPC mode simultaneously.3. data storing.To directly deposit in the data that the OPC mode receives in the inner real-time data base.Deposit in the inner real-time data base after the data of gathering are added time tag.4. data transmit.Data in desulfurization control system (CANSOLV system) 9, desulfurization water system 15-1, acid making system 15-2, the sour storehouse 15-3 of system and the second outlet test satellite location system 10 are sent to desulphurization system communication interface machine 7 with the OPC mode; With HoneywellRDIFor Wonderware mode the running state data of the SO2 blower fan among the boiler communication interface machine 6-1 is read, and the OPC mode is sent to the demonstration of desulfurization water system 15-1 host computer; SO2 concentration in the CANSOLV system and flue shutter valve position data are sent into boiler communication interface machine 6-1 with Honeywell RDI For Wonderware mode.
Desulphurization system communication interface machine 7 is connected between desulphurization system INSQL server 8, the PHD master server 5.Major function: 1. Network Isolation.This isolation belongs to the isolation of logic property; The internal control net is divided into two, prevents that desulfurization control system (CANSOLV system) 9, desulfurization water system 15-1, acid making system 15-2, the sour storehouse 15-3 of system and the second outlet test satellite location system communication interface message processor (IMP) 10-1 from getting over domain browsing.2. data transmission.With HoneywellRDIFor Wonderware mode the data in the desulphurization system INSQL server 8 are all sent into PHD master server 5.
Boiler communication interface machine 6-1 is connected between desulphurization system INSQL server 8, PHD master server 5 and the boiler DCS 6-2 of system.Major function: data transmit.SO2 concentration in the CANSOLV system and flue shutter valve position data are sent to the boiler DCS 6-2 of system and show with HoneywellRDIFor Wonderware mode at the host computer of steam generator system; With HoneywellRDIFor Wonderware mode with the running state data of the SO2 blower fan in the steam generator system in desulphurization system INSQL server 8; To send into PHD master server 5 with the data of the OPC mode boiler DCS 6-2 of system.
Steam turbine communication interface machine 6-3 is connected between PHD master server 5 and the steam turbine DCS 6-4 of system.Major function: data transmit.With the OPC mode data of the steam turbine DCS 6-4 of system are sent into PHD master server 5.
The equipment 9-1 of main website of CANSOLV system is made up of the software platform and the real-time data base of Australian Citect company.Be used to control that boiler smoke pre-wash, venturi throat are regulated, the management of the absorption of amine liquid for desulphurization and parsing and CANSOLV purification section control system 9-2, the filtration control system 9-3 of workshop section.
CANSOLV filters the control system 9-3 of workshop section, belongs to the substation of the equipment 9-1 of main website of CANSOLV system, is used for amine liquid for desulphurization and after resolving, filters soot dust granule wherein.
CANSOLV purification section control system 9-2 belongs to the substation of the equipment 9-1 of main website of CANSOLV system, is used for the purification of amine liquid for desulphurization after resolving.
The second outlet test satellite location system communication interface message processor (IMP) 10-1 of the second outlet test satellite location system 10 is connected between serial communication server 10-2 and the desulphurization system INSQL server 8.Major function: 1. data acquisition.Gather the not 2. data transmission of data of the YF202 type intelligent flow-integrating instrument of Lip river instrument company production of Shanghai through serial communication server 10-2.With the OPC mode total data that collects is sent in the desulphurization system INSQL server 8.3. instrument management.MHI (man-machine interface) organized data capture program, code system through self changed, the setting and the calibration of YF202 type intelligent flow-integrating instrument.
Serial communication server 10-2 is connected between the second outlet test satellite location system communication interface message processor (IMP) 10-1 and the YF202 type intelligent flow-integrating instrument 10-3.Major function: 1. protocol conversion.Accomplish between RS-485 communications protocol and the TCP/IP communications protocol and change, promptly realize the conversion between RS-485 interface and RJ-45 interface.2. network management.The RS-485 network is managed, realized the communication between a computing machine and many YF202 type intelligent flow-integrating instruments, i.e. the communication of ONE TO N.
Desulfurization water conservancy project section control system 15-1; Its function is to desulfurated circulating water and desulfurization wastewater control; And with the OPC mode data are sent in the desulphurization system INSQL server 8 through host computer; With the OPC mode running state data of the SO2 blower fan of the steam generator system in the desulphurization system INSQL server 8 is read simultaneously, show at host computer.
The control system 15-2 of relieving haperacidity workshop section, its function is for to control the relieving haperacidity process, and data sent in the desulphurization system INSQL server 8 with the OPC mode through host computer.
The acid storehouse control system 15-3 of workshop section, its function is for to control the shipment of sulfuric acid, and data sent in the desulphurization system INSQL server 8 with the OPC mode through host computer.
Claims (6)
1. the process data delivery system of the thermo-power station and the system that forms a complete production network thereof, it is characterized in that: it comprises
PHD mirror image server (1) is connected between WorkCenter server and the gateway (4), is used for receiving and storing the production process data that PHD master server (5) comes through gateway (4) transmission;
WorkCenter server (2) is connected between PHD mirror image server (1) and the external information net (3), sets up dynamic link with PHD mirror image server (1), is used for external domain control computer network user issue is comprised the webpage of production process data;
External information net (3) is the computer network of a territory control, and the user logins the webpage in the addressable WorkCenter server in WorkCenter server (2) back, and from webpage, obtains production process data;
Gateway (4) is connected between mirror image PHD server (1) and the main PHD server (5), is used for the isolation between external information net and the internal control net;
PHD master server (5) is connected with thermo-power station DCS system (6), INSQL communication interface machine (7) and desulphurization system INSQL server (8), is used for information storage, protocol conversion and transmission;
Desulphurization system INSQL server (8) is connected with desulfurization control system (9), desulfurization water, relieving haperacidity and sour storehouse system (15) respectively, and is connected with the second outlet test satellite location system (10), is used for collection, reception, storage and the transmission of data.
2. the process data delivery system of the thermo-power station according to claim 1 and the system that forms a complete production network thereof is characterized in that: described thermo-power station DCS system (6) is connected with boiler DCS system (6-2), is connected with steam turbine DCS system (6-4) through steam turbine communication interface machine (6-3) through boiler communication interface machine (6-1).
3. the process data delivery system of the thermo-power station according to claim 1 and the system that forms a complete production network thereof is characterized in that: described desulfurization control system (9) comprises
Main website of CANSOLV system equipment (9-1) is used to control that boiler smoke pre-wash, venturi throat are regulated, the management of the absorption of amine liquid for desulphurization and parsing and CANSOLV purification section (9-2), filtration workshop section (9-3) control system;
CANSOLV purification section control system (9-2) belongs to the substation of main website of CANSOLV system equipment (9-1), is used for the purification of amine liquid for desulphurization after resolving;
CANSOLVCANSOLV filters workshop section's control system (9-3), belongs to the substation of main website of CANSOLV system equipment (9-1), is used for amine liquid for desulphurization and after resolving, filters soot dust granule wherein.
4. the process data delivery system of the thermo-power station according to claim 1 and the system that forms a complete production network thereof is characterized in that: described desulfurization water, relieving haperacidity and sour storehouse system (15) comprise
Desulfurization water conservancy project section control system (15-1); Be used for the control of desulfurated circulating water and desulfurization wastewater; And with the OPC mode data are sent in the desulphurization system INSQL server (8) through host computer; With the OPC mode running state data of the SO2 blower fan of the steam generator system in the desulphurization system INSQL server (8) is read simultaneously, show at host computer;
Relieving haperacidity workshop section control system (15-2) is used for the relieving haperacidity process control, and data is sent in the desulphurization system INSQL server (8) with the OPC mode through host computer;
Acid storehouse workshop section's control system (15-3) is used for the shipment control of sulfuric acid, and data is sent in the desulphurization system INSQL server (8) with the OPC mode through host computer.
5. the process data delivery system of the thermo-power station according to claim 1 and the system that forms a complete production network thereof is characterized in that: desulphurization system INSQL server (8) is connected with the boiler communication interface machine (6-1) of thermo-power station DCS system (6) through optical cable (6-5).
6. the process data delivery system of the thermo-power station according to claim 1 and the system that forms a complete production network thereof is characterized in that: the described second outlet test satellite location system (10) comprises
The second outlet test satellite location system communication interface message processor (IMP) (10-1) is connected between serial communication server (10-2) and the desulphurization system INSQL server (8); Be used for data acquisition, gather the not data of the YF202 type intelligent flow-integrating instrument of Lip river instrument company production of Shanghai through serial communication server (10-2); Be used for data and transmit, the total data that collects is sent in the desulphurization system INSQL server (8) with the OPC mode; Be used for instrument management, through the setting and the calibration of self human-machine interface organized data capture program, code system conversion, said YF202 type intelligent flow-integrating instrument;
Serial communication server (10-2); Be connected between the second outlet test satellite location system communication interface message processor (IMP) (10-1) and the said YF202 type intelligent flow-integrating instrument (10-3); Be used for protocol conversion; Accomplish between RS-485 communications protocol and the TCP/IP communications protocol and change, promptly realize the conversion between RS-485 interface and RJ-45 interface; Be used for network management, the RS-485 network is managed, realize the communication between a computing machine and many said YF202 type intelligent flow-integrating instruments, i.e. the communication of ONE TO N;
Said YF202 type intelligent flow-integrating instrument (10-3) is used for the flow metering of second outlet.
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| CN103885435A (en) * | 2014-04-11 | 2014-06-25 | 北京国电龙源环保工程有限公司 | Organic amine method desulfuration acid-manufacturing technology distributed control system |
| CN104267710B (en) * | 2014-10-20 | 2017-05-03 | 江苏海事职业技术学院 | Blast-furnace gas boiler economizer boiling degree on-line monitoring method |
| CN112394643B (en) * | 2020-11-27 | 2021-11-09 | 大连理工大学 | Scheduling method and system for thermoelectric system of iron and steel enterprise and computer readable storage medium |
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| CN101043310A (en) * | 2007-04-27 | 2007-09-26 | 北京佳讯飞鸿电气有限责任公司 | Image backup method for dual-core control of core controlled system |
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| CN1567238A (en) * | 2003-06-09 | 2005-01-19 | 四川大学 | Mirror method for files based on Internet |
| CN101043310A (en) * | 2007-04-27 | 2007-09-26 | 北京佳讯飞鸿电气有限责任公司 | Image backup method for dual-core control of core controlled system |
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