CN102589613B - 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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- CN102589613B CN102589613B CN201210018550.7A CN201210018550A CN102589613B CN 102589613 B CN102589613 B CN 102589613B CN 201210018550 A CN201210018550 A CN 201210018550A CN 102589613 B CN102589613 B CN 102589613B
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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 purifying coal-fired flue gas field of intelligent monitoring, particularly relate to a kind of inhalable particles in coal and heavy metal and combine the long distance control system removing.
Background technology
Heavy metal Hg receives much concern as a kind of very important global contaminant, even in the low-down situation of concentration, it has sizable toxicity to the mankind and wild animals and plants, in atmospheric environment, the source of mercury is except a part for example, from outside (volcanicity and mineral reserve discharge) natural discharge, from human activity, the mercury that wherein coal combustion discharges just occupies larger ratio (more than 30%) greatly.Due to coal in China, to account for energy structure ratio larger, so in coal-fired flue-gas except inhalable particles in coal, mercury pollution problem is more outstanding, human health and environment are had to obvious harm, mercury and mercuric compounds can pass through respiratory tract, the different approaches such as skin and alimentary canal is invaded human body, cause the poisoning and deep tissue pathology of nerve, and mercury toxicity has accumulation, often need several years or just performance to some extent of more than ten years, so scientific experiment and engineering practice to the subtractive process of pellet and mercury in, should avoid and the close contact that removes equipment as far as possible, make operation, supervisory system is spatially carried out separated with smoke gas treatment equipment.This just needs automatic monitoring system and remote signal transmission system, makes operator carry out at a distance data monitoring and data sharing, reduces the close contact with poisonous and harmful substance, and is convenient to collection and the arrangement of data.
LabVIEW is current unique compiling type graphical programming language, using the hardware support of computing machine as instrument, make full use of computing machine computing, store, call, the function such as demonstration and file management, the specialized functional software of traditional instrument, make it to combine together with computing machine, so just, formed one all identical with traditional instrument from outward appearance to function, fully enjoyed again the instrument system of computer resource simultaneously.Traditional instrument is conventionally exported three parts by signals collecting, signal analysis and signal and is formed.Virtual instrument can be divided into equally data acquisition, data analysis processing and result and show three large functional modules.Virtual instrument system is comprised of computing machine, hardware platform and application software.From constituted mode, there is the PC-DAQ test macro forming with data collecting card (DAQ) and signal conditioning circuit, the GPIB system that the STD bus instruments such as GPIB, VXI, universal serial bus and fieldbus of take form as hardware, VXI system, serial bus system, field bus system etc.The method adopting at present is conventionally data inserting capture card on computers, with software, carries out signal analysis and processing and on computer screen, generates instrument panel.
Virtual instrument application is abroad quite universal, the mechanical Xi He Department of Electronics of American university for example, and every work that relates to test and control is all being used LabVIEW to programme.Virtual instrument is in VLSI (very large scale integrated circuit) test, is used widely in the fields such as modern household electric test and military affairs, space flight, factory testing.
Due to many reasons, it is more late that virtual instrument enters the time of China, is engaged in R&D institution's quantity of virtual instrument research and development also seldom, and the concept of automatically controlling for laboratory is relatively backward.Especially the remote monitoring to the pellet in large-scale power station coal-fired flue-gas and heavy metal Hg, more lacks a kind of effective intelligent control method.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of inhalable particles in coal and heavy metal is combined the long distance control system removing, avoid contacting with the direct of poisonous and harmful substance pellet and heavy metal Hg, and can carry out 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 combine the long distance control system removing, comprising:
Be arranged on dry method and combine and remove the cleaning system of coal-fired flue-gas pellet and heavy metal and the digital test instrument on equipment, described digital test instrument is combined cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal for detection of described dry method;
With the CFP module that described digital test instrument is connected by signal wire, described CFP module is for gathering the actual parameter that described digital test instrument detects;
With the test module that described CFP module is connected, described test module is analyzed, processes and change for the signal that described CFP module is collected;
With the computing machine that described test module is connected by LAN (Local Area Network), the display module of described computing machine is for showing in real time the various data through described test module analysis and after processing.
Described inhalable particles in coal and heavy metal are combined the long distance control system removing and are also comprised the memory module being connected with described test module, and described memory module is for storing the various data through described test module analysis and after processing.
In described computing machine, also comprise the graphics module being connected with display module, the various data creating oscillograms of described graphics module according to described test module analysis and after processing, the oscillogram of described display module for showing that described graphics module is made.
It is the integrated equipment of removing of combining of adsorptive reactor and deep bed filter that described dry method is combined 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.
Described mercury in-line analyzer module is exported by com interface or USB interface; Described CFP module connects by COM port and described mercury in-line analyzer.
Described inspirable particle concentration analyser is exported by com interface or USB interface; Described CFP module connects by COM port and described inspirable particle concentration analyser.
Described thermopair is CFP-RTD-124PT100 module; Pressure difference transmitter is CFP-AI-111 current module; Flow is counted CFP-AI-112 voltage module.
Described CFP module adopts CFP-2020 controller, by LAN (Local Area Network), is connected with described computing machine, and described computing machine is controlled described CFP module.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art, there is following advantage and good effect: the present invention can reduce and avoid 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 arrange by LAN (Local Area Network), by any computing machine in a LAN (Local Area Network), CFP controller is controlled, " virtual laboratory " carried out to Long-distance Control and operation, rapidly and efficiently.
Accompanying drawing explanation
Fig. 1 is structural principle block scheme of the present invention;
Fig. 2 is CFP module collecting flowchart figure in the present invention;
Fig. 3 is mercury in the present invention, particle concentration analyser and LABVIEW communication module schematic diagram;
Fig. 4 is temperature in the present invention, flow, pressure survey flow chart;
Fig. 5 is Computer remote operation monitoring schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiments of the present invention relate to a kind of inhalable particles in coal and heavy metal is combined the long distance control system removing, and as shown in Figure 1, comprising:
Dry method is combined cleaning system and the equipment that removes coal-fired flue-gas pellet and heavy metal, for example the integrated equipment of removing of combining of adsorptive reactor and deep bed filter;
Be arranged on described dry method and combine and remove the cleaning system of coal-fired flue-gas pellet and heavy metal and the digital test instrument on equipment, described digital test instrument is combined cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal for detection of described dry method; Wherein, the various digital test instruments that the parameter that described needs detect is installed, comprise thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer, inspirable particle concentration analyser etc.By signal wire, make various digital test instruments, comprise that thermopair, pressure difference transmitter, flowmeter, mercury in-line analyzer, inspirable particle concentration analyser etc. are connected with CFP module, and guarantee signal two-way exchange, make CFP module can collect digital signal.
With the CFP module that described digital test instrument is connected by signal wire, described CFP module is for gathering the actual parameter that described digital test instrument detects;
With the test module that described CFP module is connected, described test module is analyzed, processes and change for the signal that described CFP module is collected;
With the memory module that described test module is connected, described memory module, for the various data through described test module analysis and after processing are stored, also can be transferred on the computer that needs remote monitoring by LAN (Local Area Network) the storage data of obtaining.By the system control panel on computer, the various data of equipment are carried out to Real time dynamic display, also can to data variation tendency, analyze by oscillogram.
With the computing machine that described test module is connected by LAN (Local Area Network), the display module of described computing machine is for showing in real time the various data through described test module analysis and after processing;
In computing machine, also comprise the graphics module being connected with display module, the various data creating oscillograms of described graphics module according to described test module analysis and after processing, the oscillogram of described display module for showing that described graphics module is made.
In dry method, combine and remove on pellet and heavy metal Hg cleaning system and equipment, the parameter that needs are detected 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.By signal wire, testing apparatus is connected with CFP module, and guarantees signal two-way exchange, make CFP module can collect digital signal.Meanwhile, CFP module is connected with temperature, flow, pressure measuring module in master server, the electric current that makes to gather in CFP module, voltage, temperature, concentration signal etc. can fast be transferred to test module.By test module, analyze and process, make electric current, voltage, temperature signal change the signals such as flow, pressure, temperature, concentration into.The data of obtaining are carried out to data storage, and be transferred on the computing machine that needs remote monitoring by LAN (Local Area Network).By the system control panel on computing machine, the various data of equipment are carried out to Real time dynamic display, also can to data variation tendency, analyze by oscillogram.Computer remote operates as shown in Figure 2, system remote is monitored flow process as shown in Figure 5, and any computing machine also can be controlled CFP module, " virtual laboratory " is operated and remote monitoring.
The present invention is based on CFP module in Labview, for remote monitoring coal fired power plant flue gas pellet and heavy metal Hg " virtual laboratory " test macro, this system mainly reaches following object: (1) procedure of laboratory shows.Dry method combine remove coal-fired flue-gas on the measuring system of pellet and heavy metal Hg and equipment by the real-time demonstration of every test parameter (as each point temperature, vortex shedding flow meter, pressure difference transmitter, mass flow controller etc.).(2) Real-time Collection of experimental data.Parameters in experiment is carried out automatically gathering and preserving, such as temperature, flow, pressure etc.(3) experimental data automatic mapping.Can carry out automatic drawing function to experimental data, design sketch can directly be derived.(4) system remote is controlled function.In a LAN (Local Area Network), can on any computing machine, to the every operational factor in system, control and monitor.
System will realize above-mentioned functions, first must make to test each equipment and instrument realizes and communicating by letter with Labview, by the processing of each signal being obtained to the actual parameter of each testing tool and equipment, such as temperature, flow etc., again by thereby the processing of actual parameter being obtained to test required various parameters, meanwhile, by functions such as computer realization drawing, demonstration, preservations.
As shown in Figure 3, the COM port that mercury measuring and analysing meter and particle measuring and analysing meter are self-contained or USB interface output, communicate by letter with Labview by VISA port.The COM port carrying in employing CFP module and mercury measuring and analysing meter and particle measuring and analysing meter connect, thereby by CFP, gather the signal of mercury measuring and analysing meter and particle measuring and analysing meter.
As shown in Figure 4, the total following several mode signal outputs of surveying instrument that temperature, flow, pressure measuring module are used, 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 respectively electric current, voltage, temperature signal, finally collection signal is analyzed and processed, change the signals such as flow, pressure, temperature into.
Data memory module can call afterwards for the data that make to gather, and just need to be kept in computing machine test data is permanent.Here LABVIEW provides file I/O function, and file I/O VI and function are used for opening and closing file, and reading and writing of files creates catalogue and the file of appointment in the control of path, obtains directory information, by character string, numeral, array and bunch writing in files.The file of keeping can adopt .txt and .exerl File Open, carries out data processing.
By to the integration of above-mentioned each module and adjustment, final completion system.In system when operation,, computer interface arranges thermopair and measured temperature value and the flow of flowmeter in can real-time display system.Display interface can also show the oscillogram of each thermopair and the measured data of flowmeter.If need to measured data be processed, can be at any time to the interface interpolation of modifying.
Because test macro is based on CFP module, CFP module can be selected CFP-2020 controller, this controller itself can be used as a terminal, can arrange by LAN (Local Area Network), by any computing machine in a LAN (Local Area Network), CFP controller is controlled, " virtual laboratory " carried out to Long-distance Control and operation.
Claims (9)
1. inhalable particles in coal and heavy metal are combined the long distance control system removing, and it is characterized in that, comprising:
Be arranged on dry method and combine and remove the cleaning system of coal-fired flue-gas pellet and heavy metal and the digital test instrument on equipment, described digital test instrument is combined cleaning system and the equipment actual parameter that removes coal-fired flue-gas pellet and heavy metal for detection of described dry method;
With the CFP module that described digital test instrument is connected by signal wire, described CFP module is for gathering the actual parameter that described digital test instrument detects;
With the test module that described CFP module is connected, described test module is analyzed, processes and change for the signal that described CFP module is collected, and makes electric current, voltage, temperature signal change flow, pressure, temperature into;
With the computing machine that described test module is connected by LAN (Local Area Network), the display module of described computing machine is for showing in real time through described test module analysis and the flow, pressure, the temperature that obtain after processing.
2. inhalable particles in coal according to claim 1 and heavy metal are combined the long distance control system removing, it is characterized in that, also comprise the memory module being connected with described test module, described memory module is for storing the flow, pressure, the temperature that obtain after described test module analysis and processing.
3. inhalable particles in coal according to claim 1 and heavy metal are combined the long distance control system removing, it is characterized in that, in described computing machine, also comprise the graphics module being connected with display module, the flow that described graphics module obtains according to described test module analysis and processing, pressure, temperature are made oscillogram, the oscillogram of described display module for showing that described graphics module is made.
4. inhalable particles in coal according to claim 1 and heavy metal are combined the long distance control system removing, it is characterized in that, it is the integrated equipment of removing of combining of adsorptive reactor and deep bed filter that described dry method is combined 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 combined the long distance control system removing, 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 combined the long distance control system removing, and it is characterized in that, described mercury in-line analyzer module is exported by com interface or USB interface; Described CFP module connects by COM port and described mercury in-line analyzer.
7. inhalable particles in coal according to claim 5 and heavy metal are combined the long distance control system removing, and it is characterized in that, described inspirable particle concentration analyser is exported by com interface or USB interface; Described CFP module connects by COM port and described inspirable particle concentration analyser.
8. inhalable particles in coal according to claim 5 and heavy metal are combined the long distance control system removing, and it is characterized in that, described thermopair is CFP-RTD-124PT100 module; Pressure difference transmitter is CFP-AI-111 current module; Flow is counted CFP-AI-112 voltage module.
9. inhalable particles in coal according to claim 1 and heavy metal are combined the long distance control system removing, it is characterized in that, described CFP module adopts CFP-2020 controller, by LAN (Local Area Network), is connected with described computing machine, and described computing machine is controlled described 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 (3)
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9285801B2 (en) * | 2004-09-14 | 2016-03-15 | National Instruments Corporation | 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 |
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Patent Citations (3)
| 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 |
| 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）》.2010,第36卷(第1期), * |
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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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