CN102589613A - Remote monitoring system for combined removal of fuel coal inhalable particles and heavy metal - Google Patents
Remote monitoring system for combined removal of fuel coal inhalable particles and heavy metal Download PDFInfo
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- CN102589613A CN102589613A CN2012100185507A CN201210018550A CN102589613A CN 102589613 A CN102589613 A CN 102589613A CN 2012100185507 A CN2012100185507 A CN 2012100185507A CN 201210018550 A CN201210018550 A CN 201210018550A CN 102589613 A CN102589613 A CN 102589613A
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Abstract
The invention relates to a remote monitoring system for combined removal of fuel coal inhalable particles and heavy metal. The system comprises a digital test instrument, a CFP module, a test module and a computer, wherein the digital test instrument is arranged on a purification system and equipment for performing combined removal of fuel coal smoke inhalable particles and heavy metal by a dry method; the CFP module is connected with the digital test instrument through a signal wire; the test module is connected with the CFP module; and the test module is connected with the computer through a local area network. The system can avoid direct contact with toxic and harmful substance inhalable particles and heavy metal mercury, can perform digital remote monitoring, and analyzes and processes data conveniently.
Description
Technical field
The present invention relates to coal-fired flue-gas and purify field of intelligent monitoring, particularly relate to a kind of inhalable particles in coal and heavy metal and unite the long distance control system that removes.
Background technology
Heavy metal Hg receives much concern as a kind of very important global contaminant; Even under the low-down situation of concentration; It all has sizable toxicity to human and wild animals and plants; In the atmospheric environment source of mercury except that a part from outside (for example volcanicity and mineral reserve discharge) the natural discharging, greatly from human activity, the mercury that wherein coal combustion discharged just occupies bigger ratio (more than 30%).Because to account for the energy structure ratio bigger for coal in China, thus in the coal-fired flue-gas except inhalable particles in coal, the mercury pollution problem is more outstanding; Human health and environment there is obvious harm; Mercury and compound thereof can pass through different approaches such as respiratory tract, skin and alimentary canal and invade human body, cause nerve to poison and the deep tissue pathology, and mercury toxicity have accumulation property; Often needed several years or just performance to some extent of more than ten years; So in scientific experiment and the subtractive process of engineering practice, should avoid and remove the close contact of equipment, operation, supervisory system are spatially separated with smoke gas treatment equipment as far as possible to pellet and mercury.This just needs automatic monitoring system and signal transmission system at a distance, and the operator is shared with data carrying out data monitoring at a distance, reduces and the close contact of poisonous and harmful substance, and is convenient to the collection and the arrangement of data.
LabVIEW is present unique compiling type graphical programming language; With the hardware support of computing machine as instrument; Make full use of computing machine computing, store, call, function such as demonstration and file management, the specialized functional softwareization of traditional instrument, make it to combine together with computing machine; So just, constituted all identical from the outward appearance to the function, as fully to have enjoyed a computer resource again simultaneously instrument system with traditional instrument.Traditional instrument is exported three parts by signals collecting, signal analysis and signal usually and is formed.Virtual instrument can be divided into data acquisition, data analysis processing and result equally and show three big functional modules.Virtual instrument system is made up of computing machine, hardware platform and application software.From constituted mode; The PC-DAQ test macro of forming with data collecting card (DAQ) and signal conditioning circuit is then arranged, and is the GPIB system that forms of hardware, VXI system, serial bus system, field bus system etc. with STD bus instruments such as GPIB, VXI, universal serial bus and fieldbus.Usually the method that adopts at present is to insert data collecting card on computers, carries out signal analysis and processing and on computer screen, generates instrument panel with software.
Virtual instrument application abroad is quite universal, and for example the machinery of American university is and Department of Electronics, and every work that relates to test and control is all using LabVIEW to programme.In VLSI (very large scale integrated circuits) test, be used widely by fields such as modern household electric test and military affairs, space flight, factory testing for virtual instrument.
Owing to many reasons, it is later that virtual instrument gets into time of China, R&D institution's quantity of being engaged in the virtual instrument research and development also seldom, the notion of control is backward relatively automatically for the laboratory.Especially to the remote monitoring of pellet in the large-scale power station coal-fired flue-gas and heavy metal Hg, more lack a kind of effective intelligent control method.
Summary of the invention
Technical matters to be solved by this invention provides a kind of inhalable particles in coal and heavy metal is united the long distance control system that removes; Avoid contacting with the direct of poisonous and harmful substance pellet and heavy metal Hg; And can carry out the digitizing remote monitoring, data analysis is more convenient with processing.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of inhalable particles in coal and heavy metal to unite the long distance control system that removes, comprising:
Be arranged on dry method and unite the cleaning system that removes coal-fired flue-gas pellet and heavy metal and the digital test instrument on the equipment, said digital test instrument is used to detect said dry method and unites cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal;
With the CFP module that said digital test instrument links to each other through signal wire, said CFP module is used to gather the actual parameter that said digital test instrument detecting arrives;
With the test module that said CFP module links to each other, said test module is used for the signal that said CFP module collects is analyzed, handled and changes;
With the computing machine that said test module links to each other through LAN, the display module of said computing machine is used for showing in real time through said test module analysis and the various data after handling.
Described inhalable particles in coal and heavy metal are united the long distance control system that removes and are also comprised the memory module that links to each other with said test module, and said memory module is used for storing through the various data after said test module analysis and the processing.
Also comprise the graphics module that links to each other with display module in the said computing machine, said graphics module is according to said test module analysis with the various data creating oscillograms after handling, and said display module is used to the oscillogram that shows that said graphics module is made.
It is the incorporate equipment of removing of uniting of adsorptive reactor and deep bed filter that described dry method is united the cleaning system and the equipment that remove coal-fired flue-gas pellet and heavy metal.
Described digital test instrument comprises thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer and inspirable particle concentration analyser.
Said mercury in-line analyzer module is through com interface or USB interface output; Said CFP module connects through COM port and said mercury in-line analyzer.
Said inspirable particle concentration analyser is through com interface or USB interface output; Said CFP module connects through COM port and said inspirable particle concentration analyser.
Said thermopair is the CFP-RTD-124PT100 module; Pressure difference transmitter is the CFP-AI-111 current module; Flow is counted the CFP-AI-112 voltage module.
Said CFP module adopts the CFP-2020 controller, links to each other with said computing machine through LAN, and said computing machine is controlled said CFP module.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The present invention compared with prior art; Have following advantage and good effect: the present invention can reduce and avoid the experimenter to contact with the direct of poisonous and harmful substance pellet and heavy metal Hg, can effectively carry out individual protection.The present invention can be for the fume treatment auxiliary that removes inhalable particles in coal and heavy metal Hg simultaneously; Can pass through the LAN setting; Through any computing machine in the LAN CFP controller is controlled, promptly " virtual laboratory " carried out Long-distance Control and operation, rapidly and efficiently.
Description of drawings
Fig. 1 is a structural principle block scheme of the present invention;
Fig. 2 is CFP module collecting flowchart figure among the present invention;
Fig. 3 is mercury among the present invention, particle concentration analyser and LABVIEW communication module synoptic diagram;
Fig. 4 is temperature among the present invention, flow, pressure survey flow chart;
Fig. 5 is a computing machine remote operation monitoring synoptic diagram among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present invention relates to a kind of inhalable particles in coal and heavy metal is united the long distance control system that removes, and is as shown in Figure 1, comprising:
Dry method is united cleaning system and the equipment that removes coal-fired flue-gas pellet and heavy metal, for example the incorporate equipment of removing of uniting of adsorptive reactor and deep bed filter;
Be arranged on said dry method and unite the cleaning system that removes coal-fired flue-gas pellet and heavy metal and the digital test instrument on the equipment, said digital test instrument is used to detect said dry method and unites cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal; Wherein, the described various digital test instruments that need the parameter installation of detection comprise thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer, inspirable particle concentration analyser etc.Make various digital test instruments through signal wire; Comprise that thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer, inspirable particle concentration analyser etc. are connected with the CFP module; And guarantee the signal two-way exchange, make the CFP module can collect digital signal.
With the CFP module that said digital test instrument links to each other through signal wire, said CFP module is used to gather the actual parameter that said digital test instrument detecting arrives;
With the test module that said CFP module links to each other, said test module is used for the signal that said CFP module collects is analyzed, handled and changes;
With the memory module that said test module links to each other, said memory module is used for also can being transferred on the computer that needs remote monitoring through LAN the storage data of obtaining storing through the various data after said test module analysis and the processing.Through the system control panel on the computer the various data of equipment are carried out Real time dynamic display, also can analyze the data variation tendency through oscillogram.
With the computing machine that said test module links to each other through LAN, the display module of said computing machine is used for showing in real time through said test module analysis and the various data after handling;
Also comprise the graphics module that links to each other with display module in the computing machine, said graphics module is according to said test module analysis with the various data creating oscillograms after handling, and said display module is used to the oscillogram that shows that said graphics module is made.
Unite in dry method and to remove on pellet and heavy metal Hg cleaning system and the equipment, the parameter that needs detect is installed various digital test instruments: temperature thermocouple, vortex shedding flow meter, pressure difference transmitter, mass flow controller, mercury vapour concentration analyzer, particle concentration tester etc.Through signal wire testing apparatus is connected with the CFP module, and guarantees the signal two-way exchange, make the CFP module can collect digital signal.Simultaneously, the CFP module is connected with temperature, flow, pressure measuring module in the master server, makes the electric current gathered in the CFP module, voltage, temperature, concentration signal etc. can fast be transferred to test module.Through test module analysis and processing, make electric current, voltage, temperature signal change signals such as flow, pressure, temperature, concentration into.Data to obtaining are carried out data storage, and are transferred on the computing machine that needs remote monitoring through LAN.Through the system control panel on the computing machine the various data of equipment are carried out Real time dynamic display, also can analyze the data variation tendency through oscillogram.The computer remote operation is as shown in Figure 2, system remote monitoring flow process is as shown in Figure 5, and any computing machine also can be controlled the CFP module, promptly " virtual laboratory " is operated and remote monitoring.
The present invention is based on CFP module among the Labview, be used for remote monitoring coal fired power plant flue gas pellet and heavy metal Hg " virtual laboratory " test macro, this system mainly reaches following purpose: (1) procedure of laboratory shows.Unite on the measuring system that removes pellet and heavy metal Hg in the coal-fired flue-gas and the equipment real-time demonstration (like each point temperature, vortex shedding flow meter, pressure difference transmitter, mass flow controller etc.) in dry method with each item test parameter.(2) the real-time collection of experimental data.Parameters in the experiment is gathered automatically and is preserved, such as temperature, flow, pressure or the like.(3) experimental data automatic mapping.Can carry out automatic drawing function to experimental data, design sketch can directly be derived.(4) system remote control function.In a LAN, can on any computing machine, control and keep watch on each item operational factor in the system.
System will realize above-mentioned functions; At first must make each equipment of experiment and instrument and Labview realize communicating by letter; Through each Signal Processing being obtained the actual parameter of each testing tool and equipment,, thereby obtain testing required various parameters through processing again to actual parameter such as temperature, flow or the like; Meanwhile, through functions such as computer realization drawing, demonstration, preservations.
As shown in Figure 3, COM port that mercury measuring and analysing meter and particle measuring and analysing meter are self-contained or USB interface output are communicated by letter with Labview through the VISA port.COM port that carries on the employing CFP module and mercury measuring and analysing meter and particle measuring and analysing meter connect, thereby gather the signal of mercury measuring and analysing meter and particle measuring and analysing meter through CFP.
As shown in Figure 4, several kinds of mode signal outputs below the surveying instrument that temperature, flow, pressure measuring module use is total, the PT100 thermal resistance signal of 4～20mA current output signal, 0～5V voltage output signal, standard.Adopt CFP-AI-112 voltage module, CFP-AI-111 current module, CFP-RTD-124PT100 module to gather electric current, voltage, temperature signal respectively, at last acquired signal is analyzed and handled, change signals such as flow, pressure, temperature into.
Data memory module can call for the data that make collection afterwards, just need be kept in the computing machine test data is permanent.Here LABVIEW provides the file I/O function, and file I/O VI and function are used to open and close file, and reading and writing of files is created designated directory and file in the control of path, obtain directory information, with character string, numeral, array with bunch write file.The file of keeping can adopt .txt and .exerl File Open, carries out data processing.
Through integration and adjustment, finally accomplish system to above-mentioned each module.When system moves, but thermopair and measured temperature value and the flow of flowmeter are set in the computer interface real-time display system.Display interface can also show the oscillogram of each thermopair and the measured data of flowmeter.If desired measured data are handled, can be at any time to the interface interpolation of making amendment.
Because test macro is based on the CFP module; The CFP module can be selected the CFP-2020 controller for use; This controller itself can be used as a terminal; Can pass through the LAN setting, the CFP controller controlled, promptly " virtual laboratory " carried out Long-distance Control and operation through any computing machine in the LAN.
Claims (9)
1. inhalable particles in coal and heavy metal are united the long distance control system that removes, and it is characterized in that, comprising:
Be arranged on dry method and unite the cleaning system that removes coal-fired flue-gas pellet and heavy metal and the digital test instrument on the equipment, said digital test instrument is used to detect said dry method and unites cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal;
With the CFP module that said digital test instrument links to each other through signal wire, said CFP module is used to gather the actual parameter that said digital test instrument detecting arrives;
With the test module that said CFP module links to each other, said test module is used for the signal that said CFP module collects is analyzed, handled and changes;
With the computing machine that said test module links to each other through LAN, the display module of said computing machine is used for showing in real time through said test module analysis and the various data after handling.
2. inhalable particles in coal according to claim 1 and heavy metal are united the long distance control system that removes; It is characterized in that; Also comprise the memory module that links to each other with said test module, said memory module is used for storing through the various data after said test module analysis and the processing.
3. inhalable particles in coal according to claim 1 and heavy metal are united the long distance control system that removes; It is characterized in that; Also comprise the graphics module that links to each other with display module in the said computing machine; Said graphics module is according to said test module analysis with the various data creating oscillograms after handling, and said display module is used to the oscillogram that shows that said graphics module is made.
4. inhalable particles in coal according to claim 1 and heavy metal are united the long distance control system that removes; It is characterized in that it is the incorporate equipment of removing of uniting of adsorptive reactor and deep bed filter that described dry method is united the cleaning system and the equipment that remove coal-fired flue-gas pellet and heavy metal.
5. inhalable particles in coal according to claim 1 and heavy metal are united the long distance control system that removes; It is characterized in that described digital test instrument comprises thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer and inspirable particle concentration analyser.
6. inhalable particles in coal according to claim 5 and heavy metal are united the long distance control system that removes, and it is characterized in that, said mercury in-line analyzer module is through com interface or USB interface output; Said CFP module connects through COM port and said mercury in-line analyzer.
7. inhalable particles in coal according to claim 5 and heavy metal are united the long distance control system that removes, and it is characterized in that, said inspirable particle concentration analyser is through com interface or USB interface output; Said CFP module connects through COM port and said inspirable particle concentration analyser.
8. inhalable particles in coal according to claim 5 and heavy metal are united the long distance control system that removes, and it is characterized in that, said thermopair is the CFP-RTD-124PT100 module; Pressure difference transmitter is the CFP-AI-111 current module; Flow is counted the CFP-AI-112 voltage module.
9. inhalable particles in coal according to claim 1 and heavy metal are united the long distance control system that removes; It is characterized in that; Said CFP module adopts the CFP-2020 controller, links to each other with said computing machine through LAN, and said computing machine is controlled said CFP module.
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| CN201210018550.7A CN102589613B (en) | 2012-01-20 | 2012-01-20 | Remote monitoring system for combined removal of fuel coal inhalable particles and heavy metal |
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| CN201210018550.7A CN102589613B (en) | 2012-01-20 | 2012-01-20 | Remote monitoring system for combined removal of fuel coal inhalable particles and heavy metal |
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Citations (5)
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|---|---|---|---|---|
| CN1593726A (en) * | 2004-06-21 | 2005-03-16 | 樊金鑫 | Monitoring and automatic control system for wet method flue gas desulfurization technology |
| US20060064183A1 (en) * | 2004-09-14 | 2006-03-23 | Sundeep Chandhoke | Automatic generation of a motion controller |
| US20060243096A1 (en) * | 2005-05-02 | 2006-11-02 | Dieter Kita | Method and apparatus for converting oxidized mercury into elemental mercury |
| CN101564640A (en) * | 2009-06-05 | 2009-10-28 | 华中科技大学 | Combined removal method for contaminants from coal-fired flue gas and special purification reactor thereof |
| CN101584966A (en) * | 2009-06-25 | 2009-11-25 | 东华大学 | Device provided with chemical reactor therein for jointly removing inhalable particle of coal and heavy metal Hg and method |
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- 2012-01-20 CN CN201210018550.7A patent/CN102589613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593726A (en) * | 2004-06-21 | 2005-03-16 | 樊金鑫 | Monitoring and automatic control system for wet method flue gas desulfurization technology |
| US20060064183A1 (en) * | 2004-09-14 | 2006-03-23 | Sundeep Chandhoke | Automatic generation of a motion controller |
| US20060243096A1 (en) * | 2005-05-02 | 2006-11-02 | Dieter Kita | Method and apparatus for converting oxidized mercury into elemental mercury |
| CN101564640A (en) * | 2009-06-05 | 2009-10-28 | 华中科技大学 | Combined removal method for contaminants from coal-fired flue gas and special purification reactor thereof |
| CN101584966A (en) * | 2009-06-25 | 2009-11-25 | 东华大学 | Device provided with chemical reactor therein for jointly removing inhalable particle of coal and heavy metal Hg and method |
Non-Patent Citations (1)
| Title |
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| 刁永发等: "燃煤可吸入颗粒物及重金属汞控制技术研究进展", 《东华大学学报（自然科学版）》 * |
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Inventor after: Diao Yongfa Inventor after: Zou Yue Inventor after: Wang Longjie Inventor after: Lu Junhao Inventor before: Diao Yongfa Inventor before: Zou Yue Inventor before: Wang Longjie |
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