CN104977043A - Thermal power plant flue gas emission continuous monitoring device - Google Patents
Thermal power plant flue gas emission continuous monitoring device Download PDFInfo
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- CN104977043A CN104977043A CN201510355592.3A CN201510355592A CN104977043A CN 104977043 A CN104977043 A CN 104977043A CN 201510355592 A CN201510355592 A CN 201510355592A CN 104977043 A CN104977043 A CN 104977043A
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- flue gas
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Abstract
The invention discloses a thermal power plant flue gas emission continuous monitoring device which comprises a flue gas sampling device, a particulate matter monitor, a temperature and pressure flow integration flue gas parameter monitor, a back flushing device, a back flushing gas way, a compressed gas source, a PLC controller, a PC machine and an environment protection monitoring and management department computer terminal. The flue gas sampling device, the particulate matter monitor and the temperature and pressure flow integration flue gas parameter monitor are arranged on the inner wall of a chimney. The flue gas sampling device is connected with the back flushing device and the PLC controller. The particulate matter monitor is connected with a fan and the PLC controller. The back flushing device is connected with the compressed gas source through the back flushing gas way and a compression gas pump. The PLC controller is connected with the PC machine. The PC machine is connected with the environment protection monitoring and management department computer terminal through a network signal. The thermal power plant flue gas emission continuous monitoring device provided by the invention has the advantages of high analysis precision, fast speed, good monitoring effect, convenient and reliable sampling and long service life, and is able to timely transfer monitor data to an environment protection monitoring and management department.
Description
Technical field
The present invention relates to flue gas inspection technical field, be specifically related to coal steam-electric plant smoke discharge continuous monitoring device.
Background technology
In the pollutant of power plant emission, to environmental threat larger mainly contain sulphuric dioxide, oxides of nitrogen and flue dust etc., for alleviating the pollution of coal-burning power plant to environment, State Bureau of Environmental Protection came into effect GB13223-1996 " fossil-fuel power plant atmospheric pollutant emission standard " in 1 day January in 1997." The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution " of new revision also comes into effect on September 1st, 2000.In order to carry out monitor and forecast effectively to disposals of pollutants such as sulphuric dioxide, oxides of nitrogen and flue dust, to reduce the destruction to environment, simultaneously also in order to improve the performance driving economy of unit, smoke components on-line continuous monitoring system should be installed by coal-burning power plant.But there is the problems such as analysis precision is low, analysis speed slow, and sampler easily blocks up, service life of equipment is short in continuous monitoring device at present on the market, therefore needs to improve.
Summary of the invention
For solving the problem, the invention provides coal steam-electric plant smoke discharge continuous monitoring device, analysis precision is high, and speed is fast, and monitoring effect is good, samples convenient and reliable, long service life, and Monitoring Data can be sent in time and transfer to monitoring of environment administrative authority.
For achieving the above object, the technical scheme that the present invention takes is: coal steam-electric plant smoke discharge continuous monitoring device, comprise flue gas sampler, particle monitoring instrument, the flow integrated Gas Parameters monitor of temperature and pressure, back-blowing device, blowback gas circuit, compressed gas source, PLC, PC and monitoring of environment administrative authority computer end, flue gas sampler, particle monitoring instrument, the flow integrated Gas Parameters monitor of temperature and pressure is provided with the inwall of chimney, flue gas sampler is connected with PLC with back-blowing device respectively, particle monitoring instrument is connected with blower fan and PLC, back-blowing device is connected with compressed gas source by blowback gas circuit, PLC is connected with PC, PC is connected with monitoring of environment administrative authority computer end by network signal.
As preferably, described flue gas sampler is cold dry direct extraction-type sampling thief, and monitoring result is butt value, does not need to carry out data conversion again, and the data precision is high.
As preferably, described PC is also connected with mobile phone terminal, is processed emergency case by mobile phone notice thermal power plant technician.
Gaseous contaminant monitor (particle monitoring instrument) adopts ultraviolet difference absorption spectrum (DOAS) technology, does not affect by cross jamming, and efficiently solve water, dust to measuring the interference produced, adaptive capacity to environment is strong; Measuring accuracy is high, drifts about little.
The present invention has following beneficial effect: analysis precision is high, and speed is fast, and monitoring effect is good, samples convenient and reliable, long service life, and Monitoring Data can be sent in time and transfer to monitoring of environment administrative authority.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, embodiments provide coal steam-electric plant smoke discharge continuous monitoring device, comprise flue gas sampler 1, particle monitoring instrument 2, the flow integrated Gas Parameters monitor 3 of temperature and pressure, back-blowing device 4, blowback gas circuit 5, compressed gas source 6, PLC 7, PC 8 and monitoring of environment administrative authority computer end 9, flue gas sampler 1, particle monitoring instrument 2, the flow integrated Gas Parameters monitor 3 of temperature and pressure is provided with the inwall of chimney, flue gas sampler 1 is connected with PLC 7 with back-blowing device 4 respectively, particle monitoring instrument 2 is connected with blower fan and PLC 7, back-blowing device is connected with compressed gas source 6 by blowback gas circuit 5, PLC 7 is connected with PC 8, PC 8 is connected with monitoring of environment administrative authority computer end 9 by network signal.
Described flue gas sampler 1 is cold dry direct extraction-type sampling thief.
Described PC 8 is also connected with mobile phone terminal.
This embodiment, by extracting sample mode, measures gaseous contamination substrate concentration, particle concentration in flue gas, measures the parameters such as the oxygen level of the temperature of flue gas, pressure, flow velocity and flue gas simultaneously, calculates various pollutant emission rate and discharge capacity in flue gas; Show and print various parameter, chart, and transferring to monitoring management department by data communication transmission system.
The analysis precision of this embodiment is high, and speed is fast, and monitoring effect is good, samples convenient and reliable, long service life, and Monitoring Data can be sent in time and transfer to monitoring of environment administrative authority.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. coal steam-electric plant smoke discharge continuous monitoring device, it is characterized in that, comprise flue gas sampler (1), particle monitoring instrument (2), the flow integrated Gas Parameters monitor (3) of temperature and pressure, back-blowing device (4), blowback gas circuit (5), compressed gas source (6), PLC (7), PC (8) and monitoring of environment administrative authority computer end (9), flue gas sampler (1), particle monitoring instrument (2), the flow integrated Gas Parameters monitor (3) of temperature and pressure is provided with the inwall of chimney, flue gas sampler (1) is connected with PLC (7) with back-blowing device (4) respectively, particle monitoring instrument (2) is connected with blower fan and PLC (7), back-blowing device is connected with compressed gas source (6) by blowback gas circuit (5), PLC (7) is connected with PC (8), PC (8) is connected with monitoring of environment administrative authority computer end (9) by network signal.
2. coal steam-electric plant smoke discharge continuous monitoring device according to claim 1, is characterized in that, described flue gas sampler (1) is cold dry direct extraction-type sampling thief.
3. coal steam-electric plant smoke discharge continuous monitoring device according to claim 1, it is characterized in that, described PC (8) is also connected with mobile phone terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355592.3A CN104977043A (en) | 2015-06-20 | 2015-06-20 | Thermal power plant flue gas emission continuous monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510355592.3A CN104977043A (en) | 2015-06-20 | 2015-06-20 | Thermal power plant flue gas emission continuous monitoring device |
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| CN104977043A true CN104977043A (en) | 2015-10-14 |
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| CN201510355592.3A Pending CN104977043A (en) | 2015-06-20 | 2015-06-20 | Thermal power plant flue gas emission continuous monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105351955A (en) * | 2015-11-05 | 2016-02-24 | 武汉烽火兴业节能环保科技有限公司 | Intelligent detection system and method for flue gas dust removal |
| CN113641126A (en) * | 2021-08-10 | 2021-11-12 | 浙江浩普智能科技有限公司 | Data acquisition and transmission device based on serial port communication |
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| CN113641126A (en) * | 2021-08-10 | 2021-11-12 | 浙江浩普智能科技有限公司 | Data acquisition and transmission device based on serial port communication |
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Application publication date: 20151014 |