CN101788798A - Operation monitoring system of flue gas desulfurization device in thermal power plant - Google Patents
Operation monitoring system of flue gas desulfurization device in thermal power plant Download PDFInfo
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- CN101788798A CN101788798A CN200910044581A CN200910044581A CN101788798A CN 101788798 A CN101788798 A CN 101788798A CN 200910044581 A CN200910044581 A CN 200910044581A CN 200910044581 A CN200910044581 A CN 200910044581A CN 101788798 A CN101788798 A CN 101788798A
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- 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
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Abstract
The invention relates to an operation monitoring system of a flue gas desulfurization device in a thermal power plant, consisting of a relay (11), a two-path DC signal separator (12), a data anti-false pick device (2), an electric power specific channel communication device (3), an electric power carrier dialup communication device (4), a radio GPRS (General Packet Radio Service) communication device (5), a data communication server (6), a data processing and dissemination server set (7) and a data dissemination system (8), wherein the output ends of the relay (11) and the two-path DC signal separator (12) are connected with the input end of the data anti-false pick device (2) by shield cables so as to divide an in-site signal into two parts without loss when the system is in operation and supply the in-site signal to the data dissemination system (8). The invention can achieve digital management on the full desulfurization process, guarantee the truth of data, enhance the supervision degree, save energy and reduce exhaust. Therefore, the invention means a lot to the society.
Description
Technical field
The invention belongs to the environment-friendly engineering technical field, be specifically related to a kind of operation monitoring system of flue gas desulfurization device in thermal power plant.
Background technology
Along with expanding economy in recent years, China's fired power generating unit installed capacity increases rapidly, but so, will discharge a large amount of SO every year
2(sulphuric dioxide) and other pollutant.Though all supporting installation desulfurization facility of most of fired power generating unit, because desulfurization facility operation expense height, and lack advanced technology, the reliable regulatory measure of data, so cause power plant to be reluctant to carry out the desulfurization transformation, do not use even gone up the desulfurization facility yet.Thus, the actual situation that puts into operation of desulfurization facility is just undesirable.Present SO
2The reduction of discharging cry very high, therefore, just imperative to monitoring, the supervision of the ruuning situation of flue gas desulfurization device in thermal power plant.
But known traditional flue gas desulfurization device in thermal power plant operation conditions remote real-time monitoring system exists following defective:
(1), the semaphore gathered is very few, can't come the authenticity of judgment signal by the logical relation of outwardness between the unlike signal amount;
(2), the signal gathered derives from the DCS of thermal power plant (scattered control system), SIS (the real-time supervisory information system of level of factory) dispatch control system, data are easy to the processing of being faked in these systems, in case so, just collect false data-signal easily.
(3), communication modes is single, occurs communicating interrupt easily.
Summary of the invention
The technical problem to be solved in the present invention is, defective at the known technology existence, a kind of operation monitoring system of flue gas desulfurization device in thermal power plant being provided for environmental administration, grid company and relevant departments is a kind of remote real-time monitoring platform, make it from the flue gas desulfurization management view, each flue gas desulphurization of remote real-time monitoring drops into state and desulfuration efficiency, the supervision desulfurizer situation that puts into operation, thus can determine the real desulfurization electricity price of each fired power generating unit.
Technical solution of the present invention is, a kind of operation monitoring system of flue gas desulfurization device in thermal power plant that is provided, as shown in Figure 1, form by relay 11, two-way direct current signal isolator 12, the false proof harvester 2 of data, electric power designated lane communication device 3, power carrier dialing communication device 4, wireless GPRS (GPRS) communication device 5, data communication server 6, data processing and publisher server group 7, data distribution system 8.The output terminal of wherein said relay 11 and two-way direct current signal isolator 12 is connected by the input end of the false proof harvester 2 of shielded cable and data; The output terminal of the false proof harvester 2 of data is connected with the input end of described electric power designated lane communication device 3, is connected, is connected by the input end of RS-232 interface with described wireless GPRS communication device 5 with the input end of described power carrier dialing communication device 4 by the RS-485 interface by optical fiber respectively in regular turn.And the output terminal of described electric power designated lane communication device 3 is connected by the input end of optical fiber with described data communication server 6; The output terminal of described power carrier dialing communication device 4 is connected with the input end of described data communication server 6 by the electric carrier telephony cable; The output terminal of described data communication server 6 is connected with the input end of described data processing and publisher server group 7 by the LAN (Local Area Network) netting twine; The output terminal of described data processing and publisher server group 7 is connected with the input end of described data distribution system 8 by the LAN (Local Area Network) netting twine.
When the operation monitoring system of flue gas desulfurization device in thermal power plant of the present invention that constitutes thus moves, the relay 11 of described system, two-way direct current signal isolator 12 are respectively applied for on-the-spot switch on and off signal and on-the-spot 4～20mA standard signal nondestructively are divided into two, by shielded cable will be wherein one road signal deliver to the input end of the false proof harvester 2 of data, see Fig. 1.The false proof harvester 2 of data is processed into the discernible data of computing machine with the on-the-spot standard signal 1 of institute's collection, then with these data respectively by optical fiber be transported to electric power designated lane communication apparatus 3 input end, be transported to the input end of power carrier dialing communication equipment 4, be transported to the input end of wireless GPRS communication apparatus 5 by the RS232 interface by the RS485 interface; Described electric power designated lane communication apparatus 3 arrives data transmission by optical fiber the input end of data communication server 6; Described power carrier dialing communication equipment 4 arrives data transmission by the electric carrier telephony cable input end of data communication server 6; Described wireless GPRS communication apparatus 5 sends to data the input end of data communication server 6 with short message mode by mobile wireless network; Described data communication server 6 is advanced database with the original data storage that receives, and offers data processing and publisher server group 7 by LAN-sharing; After 7 pairs of raw data of described data processing and publisher server group are carried out analytical calculation, offer described data distribution system 8 by LAN-sharing.
In the said structure, the main effect of described relay 11 be with on-the-spot switch on and off signal lossless be divided into two; The main effect of two-way direct current signal isolator 12 is that scene 4～20mA standard signal nondestructively is divided into two; The false proof harvester of the data 2 general false proof collection isolated plants of H-RASF type field datas that adopt, it mainly acts on is that switch on and off signal and 4～20mA standard signal with relay 11, two-way direct current signal isolator 12 output terminals are sent here converts the discernible data of computing machine to; The main effect of described electric power designated lane communication apparatus 3, power carrier dialing communication equipment 4, wireless GPRS communication apparatus 5 all is to give data communication server 6 with the discernible data transmission of computing machine after false proof harvester 2 conversions of data; The main effect of described data communication server 6 then is that raw data is stored; The main effect of described data processing and publisher server 7 is that the raw data of data communication server 6 database that deposits in is analyzed automatically, calculated, and differentiates the situation that truly puts into operation of on-the-spot flue gas desulfurization device in thermal power plant; The described data distribution system 8 general H-RMSF type WEB delivery systems that adopt, the main effect of WEB delivery system 8 is that the data after by the WEB mode data processing and publisher server group 7 being handled are issued with forms such as real time data, historical data, real-time curve, history curve, forms respectively, realizes the browse right management simultaneously.
The invention has the beneficial effects as follows:
(1), can carry out the digital management of overall process to the collection of heat-engine plant desulfurized facility real-time process data, transmission, processing, calculating, analysis, statistics, issue etc., automatically the data of gathering are carried out calculating real-time desulfuration efficiency after the true and false analysis, are dealt with desulfurization electricity price money etc.;
(2), can guarantee the authenticity of institute's image data.
(3), strengthened the supervision that flue gas desulfurization device in thermal power plant drops into situation, reduced SO
2Deng the discharging of pollutant, energy-saving and emission-reduction, social and economic significance is great.
Description of drawings
Fig. 1 is denoted as among the figure for the structured flowchart of a specific embodiment of operation monitoring system of flue gas desulfurization device in thermal power plant of the present invention;
The 11-relay,
12-two-way direct current signal isolator,
The false proof harvester of 2-data,
3-electric power designated lane communication device,
4-power carrier dialing communication device,
5-wireless GPRS communication device,
The 6-data communication server,
7-data processing and publisher server group,
The 8-data distribution system.
Embodiment
As shown in Figure 1, the relay 11 that the operation monitoring system of flue gas desulfurization device in thermal power plant of this embodiment of the invention comprises adopts commercially available Chinese yunnan cloud to moisten the SWP9034 type two-way direct current signal isolator that instrument Manufacturing Co., Ltd produces, the demultiplexer that the DC48V type relay that two-way direct current signal isolator 12 adopts Omron (China) company limited to produce is formed, both effects are respectively on-the-spot switch on and off signal and the on-the-spot 4～20mA standard signal of being gathered to be divided into two, one the tunnel flows to DCS, and one the tunnel flows to the false proof harvester 2 of data of the invention described above.The false proof harvester 2 of data of the present invention adopts the commercially available Hunan China false proof collection isolated plant of step infosystem company limited made H-RASF type field data earlier.This device is installed between fired power generating unit desulfurization electronics, its main body is the Quantum series of PLC (Programmable Logic Controller) that a cover U.S. MODICON company produces, and comprises a 140XBP01000 type ten slot backboards, a 140CPU43412 type CPU module, a 140CPS11420 type power supply module, a 140DDI35300 type switching value inputting modular unit, three 140ACI04000 type analog quantity inputting modular units.This device of every cover can be gathered the signal of the required monitoring of 2 above fired power generating unit desulfurization facilities simultaneously.
Above-mentioned electric power designated lane communication device 3, power carrier dialing communication device 4 and wireless GPRS communication device 5 as data transmission set are installed on each scene, fired power generating unit monitoring point and remote monitoring center.A cover electric power designated lane communication device 3 wherein has Hunan Province Utilities Electric Co. to provide; One cover power carrier dialing communication device 4 adopts commercially available Beijing Lian Dake to interrogate the LD-56RS-485 type power carrier dialing communication device that Science and Technology Ltd. produces; 5 H7118 type wireless GPRS communicators that adopt commercially available Shenzhen City Hongdian Technology Development Co., Ltd to produce of another set of wireless GPRS communication device.
Data processing and publisher server group 7 also place the remote monitoring center, are equipped with printer, uninterrupted power source, large screen display etc.This data processing and publisher server group 7 comprise that commercially available IBM System x3650 raw data base server, IBM System x3650 handle back database server and IBM System x3650 data distribution server.Operation has a commercially available data communication software in the raw data base server wherein, is responsible for carrying out a communication with each data transmission set in per 5 minutes, and the real time data that receives is stored in the raw data base by certain format.Be resource and the advantage that makes full use of multiple communication modes, above-mentioned data communication software also possesses the content of " communication competitive strategy " and " communication detection mechanism "; Also move in the database server after the above-mentioned processing commercially available data processing software is arranged, be responsible for the raw data of being gathered is carried out comprehensive analysis and judgement, reject mistake or false data, automatically finish desulfurization facility operational percentage, idle time corresponding generated energy and desulfurization electricity price money, desulfuration efficiency, deal with calculating such as monthly and annual statistics such as desulfurization electricity price money, and deposit in by predetermined format and to handle the back database;
Connect by LAN (Local Area Network) between above-mentioned each server, carry out conventional browse right management simultaneously.
Claims (2)
1. operation monitoring system of flue gas desulfurization device in thermal power plant, it is characterized in that, it is by relay (11), two-way direct current signal isolator (12), the false proof harvester of data (2), electric power designated lane communication device (3), power carrier dialing communication device (4), wireless GPRS communication device (5), data communication server (6), data processing and publisher server group (7), data distribution system (8) is formed, and the output terminal of wherein said relay (11) and two-way direct current signal isolator (12) is connected by the input end of the false proof harvester of shielded cable and data (2); The output terminal of the false proof harvester of data (2) is connected with the input end of described electric power designated lane communication device (3), is connected, is connected by the input end of RS-232 interface with described wireless GPRS communication device (5) with the input end of described power carrier dialing communication device (4) by the RS-485 interface by optical fiber respectively in regular turn, and the output terminal of described electric power designated lane communication device (3) is connected by the input end of optical fiber with described data communication server (6); The output terminal of described power carrier dialing communication device (4) is connected with the input end of described data communication server (6) by the electric carrier telephony cable; The output terminal of described data communication server (6) is connected with the input end of described data processing and publisher server group (7) by the LAN (Local Area Network) netting twine; The output terminal of described data processing and publisher server group (7) is connected with the input end of described data distribution system (8) by the LAN (Local Area Network) netting twine.
2. operation monitoring system of flue gas desulfurization device in thermal power plant according to claim 1 is characterized in that described data processing and publisher server group 7 comprise that IBM System x3650 raw data base server, IBMSystem x3650 handle back database server and IBM System x3650 data distribution server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910044581A CN101788798A (en) | 2009-10-21 | 2009-10-21 | Operation monitoring system of flue gas desulfurization device in thermal power plant |
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|---|---|---|---|
| CN200910044581A CN101788798A (en) | 2009-10-21 | 2009-10-21 | Operation monitoring system of flue gas desulfurization device in thermal power plant |
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| CN101788798A true CN101788798A (en) | 2010-07-28 |
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| CN200910044581A Pending CN101788798A (en) | 2009-10-21 | 2009-10-21 | Operation monitoring system of flue gas desulfurization device in thermal power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435616A (en) * | 2015-11-07 | 2016-03-30 | 常州大学 | Spray and semi-dry desulfurization facility monitoring terminal |
| CN115195069A (en) * | 2022-06-27 | 2022-10-18 | 佛山市南海区广工大数控装备协同创新研究院 | Universal data acquisition module and system for injection molding machine |
-
2009
- 2009-10-21 CN CN200910044581A patent/CN101788798A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435616A (en) * | 2015-11-07 | 2016-03-30 | 常州大学 | Spray and semi-dry desulfurization facility monitoring terminal |
| CN115195069A (en) * | 2022-06-27 | 2022-10-18 | 佛山市南海区广工大数控装备协同创新研究院 | Universal data acquisition module and system for injection molding machine |
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Application publication date: 20100728 |