CN103278653B - A kind of ature of coal on-line analysis and analytic system - Google Patents
A kind of ature of coal on-line analysis and analytic system Download PDFInfo
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- CN103278653B CN103278653B CN201310155732.3A CN201310155732A CN103278653B CN 103278653 B CN103278653 B CN 103278653B CN 201310155732 A CN201310155732 A CN 201310155732A CN 103278653 B CN103278653 B CN 103278653B
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Abstract
The invention discloses a kind of ature of coal on-line analysis, the method is sprayed in oxygen stream by coal dust to be measured to burn, pass through spectroscopic analysis methods, in conjunction with oxygen surplus in flue gas and water vapour content, the calorific capacity of analytical calculation coal dust, volatile content, carbon, sulphur, phosphorus element content, this system comprises burner hearth, flue, flow controller, Gravimetric Coal Feeders, signals collecting control module, spectra collection analytic unit, signal processor, described burner hearth, flue, flow controller, Gravimetric Coal Feeders connection signal acquisition control module, described burner hearth, flue connects spectra collection analytic unit, described signals collecting control module and spectra collection analytic unit connection signal processor.The invention has the beneficial effects as follows: solve laboratory measurement can not continuously, the difficult problem that cannot carry out fast, equipment can environment long-term stability run at the scene, ensure that chronicity and the stability of measurement.
Description
Technical field
The present invention relates to automatic measurement technology field, particularly relate to a kind of ature of coal on-line analysis and analytic system.
Background technology
For the measurement of the calorific value of fire coal, volatile matter and constituent content, all adopt laboratory method at present.The laboratory testing method test duration is long, general needs several hours.Need coal dust to carry out artificial sample preparation, the sample made manually is put into testing apparatus and carries out test analysis, analyze and terminate, need manual finishing equipment, test period is long.Need the ash sample after manually putting into sample and taking out test, can not automatically, continuously carry out.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of ature of coal on-line analysis and analytic system, achieving the automatic, continuous, real-time of coal analysis.
The technical solution adopted in the present invention is: a kind of ature of coal on-line analysis, coal dust to be measured is sprayed in oxygen stream and burns, by spectroscopic analysis methods, in conjunction with oxygen surplus in flue gas and water vapour content, the constituent content such as calorific capacity, volatile content, carbon, sulphur, phosphorus of analytical calculation coal dust.
Further, analytic process adopts continuous automatic mode, and coal dust, oxygen real-time continuous quantitatively spray into, and realize the on-line analysis of ature of coal.
A kind of ature of coal on-line analysis system of the present invention, comprise burner hearth, flue, flow controller, Gravimetric Coal Feeders, signals collecting control module, spectra collection analytic unit, signal processor, described burner hearth, flue, flow controller, Gravimetric Coal Feeders connection signal acquisition control module, described burner hearth, flue connect spectra collection analytic unit, described signals collecting control module and spectra collection analytic unit connection signal processor.
Further, described burner hearth adopts minor diameter, big L/D ratio structure.
Further, be provided with two-stage dust arrester in described flue, flue end is provided with strength induced draft fan.
Further, described flow controller adopts closed loop mode, automatically by oxygen flux control in setting value.
Further, described Gravimetric Coal Feeders is used for the quantitative coal supply of burner hearth, and it is while the coal supply of burner hearth continous-stable, completes the weighing in real time of coal-supplying amount, measures.
Further, described signals collecting control module, under signal processor controls, carries out real-time Survey control to oxygen, coal-supplying amount, completes temperature, pressure, surplus oxygen amount, the isoparametric Real-time Collection of water vapour content in burner hearth, flue.
Further, described spectra collection analytic unit realization is to the collection analysis of the smoke components absorption spectrum in the emission spectrum of burner hearth combustion flame and flue, and analysis result sends into signal processor.
Further, described signal processor control signal acquisition control module, spectra collection analytic unit, complete the automatic control to whole measuring process and parameter acquisition, the signals such as the spectral signal that synthetical collection arrives and coal amount, oxygen amount, adopt multi-parameter fusion algorithm, calculate the constituent content such as the calorific capacity of coal dust, volatile content and carbon, sulphur, phosphorus in real time.
Compared with prior art, the invention has the beneficial effects as follows: solve laboratory measurement can not continuous coverage, the difficult problem that cannot carry out fast, equipment can environment long-term stability run at the scene, ensure that chronicity and the stability of measurement.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is system construction drawing of the present invention.
Embodiment
In order to more clearly understand technical scheme of the present invention, below in conjunction with accompanying drawing, the present invention is further described.
A kind of ature of coal on-line analysis of the present invention, coal dust to be measured is sprayed in oxygen stream and burns, by spectroscopic analysis methods, in conjunction with oxygen surplus in flue gas and water vapour content, the constituent content such as calorific capacity, volatile content, carbon, sulphur, phosphorus of analytical calculation coal dust; Analytic process adopts continuous automatic mode, and coal dust, oxygen real-time continuous quantitatively spray into, and realize the on-line analysis of ature of coal.
A kind of ature of coal on-line analysis system of the present invention, comprise burner hearth 1, flue 2, flow controller 3, Gravimetric Coal Feeders 4, signals collecting control module 5, spectra collection analytic unit 6, signal processor 7, described burner hearth 1, flue 2, flow controller 3, Gravimetric Coal Feeders 4 connection signal acquisition control module 5, described burner hearth 1, flue 2 connect spectra collection analytic unit 6, described signals collecting control module 5 and spectra collection analytic unit 6 connection signal processor 7.
Described burner hearth 1 adopts minor diameter, big L/D ratio structure, coal dust and oxygen to spray into after burner hearth can fast, Thorough combustion.Hearth inner lining uses novel fire resistant material, in combustion process, and can not slagging scorification in burner hearth.
Be provided with two-stage dust arrester in described flue 2, flue end is provided with strength induced draft fan.
Described flow controller 3 is used for carrying out measure control to oxygen, and it adopts closed loop mode, automatically by oxygen flux control in setting value, with ensure oxygen in measuring process accurate quantification supply.
Described Gravimetric Coal Feeders 4 is used for burner hearth 1 quantitatively coal supply.It is while burner hearth (1) continous-stable coal supply, completes the weighing in real time of coal-supplying amount, measures.
Described signals collecting control module 5, under the control of signal processor 7, carries out real-time Survey control to oxygen, coal-supplying amount, completes temperature, pressure, surplus oxygen amount, the isoparametric Real-time Collection of water vapour content in burner hearth 1, flue 2.
Described spectra collection analytic unit 6 realizes the collection analysis to the Related Component absorption spectrum of flue gas in the emission spectrum of burner hearth combustion flame and flue, and analysis result sends into signal processor 7.
Described signal processor 7 control signal acquisition control module 5, spectra collection analytic unit 6, complete the automatic control to whole measuring process and parameter acquisition, the signals such as the spectral signal that synthetical collection arrives and coal amount, oxygen amount, adopt multi-parameter fusion algorithm, calculate the constituent content such as the calorific capacity of coal dust, volatile content and carbon, sulphur, phosphorus in real time.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (4)
1. an ature of coal on-line analysis system, is characterized in that: comprise burner hearth, flue, flow controller, Gravimetric Coal Feeders, signals collecting control module, spectra collection analytic unit, signal processor, described burner hearth, flue, flow controller, Gravimetric Coal Feeders connection signal acquisition control module, described burner hearth, flue connects spectra collection analytic unit, described signals collecting control module and spectra collection analytic unit connection signal processor, and described burner hearth adopts minor diameter, big L/D ratio structure, described flow controller adopts closed loop mode, automatically by oxygen flux control in setting value, described signals collecting control module under signal processor controls, to oxygen, coal-supplying amount carries out real-time Survey control, completes burner hearth, temperature in flue, pressure, surplus oxygen amount, the Real-time Collection of water vapour content parameter, described spectra collection analytic unit realization is to the collection analysis of the smoke components absorption spectrum in the emission spectrum of burner hearth combustion flame and flue.
2. use an ature of coal on-line analysis for ature of coal on-line analysis system as claimed in claim 1, it is characterized in that: comprise the steps:
(1) coal dust to be measured is sprayed in the burner hearth being filled with oxygen stream and burn;
(2) by spectra collection analytic unit, collection analysis is absorbed to the smoke components in the emission spectrum of burner hearth combustion flame and flue, obtain analysis result;
(3) analysis result is delivered to signal processor, signal processor control signal acquisition control module, spectra collection analytic unit, complete the automatic control to whole measuring process and parameter acquisition, the signals such as the spectral signal that synthetical collection arrives and coal amount, oxygen amount, adopt multi-parameter fusion algorithm, calculate the calorific capacity of coal dust, volatile content and carbon, sulphur, phosphorus element content in real time.
3. ature of coal on-line analysis system according to claim 1, it is characterized in that: be provided with two-stage dust arrester in described flue, flue end is provided with strength induced draft fan.
4. ature of coal on-line analysis system according to claim 1, it is characterized in that: described signal processor control signal acquisition control module, spectra collection analytic unit, complete the automatic control to whole measuring process and parameter acquisition, the signals such as the spectral signal that synthetical collection arrives and coal amount, oxygen amount, adopt multi-parameter fusion algorithm, calculate the calorific capacity of coal dust, volatile content and carbon, sulphur, phosphorus element content in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155732.3A CN103278653B (en) | 2013-05-02 | 2013-05-02 | A kind of ature of coal on-line analysis and analytic system |
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| CN201310155732.3A CN103278653B (en) | 2013-05-02 | 2013-05-02 | A kind of ature of coal on-line analysis and analytic system |
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| CN103278653A CN103278653A (en) | 2013-09-04 |
| CN103278653B true CN103278653B (en) | 2015-11-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105606758B (en) * | 2016-01-15 | 2017-08-11 | 上海大学 | The method and apparatus of studying coal-fired photooxidation development generation secondary organic aerosol mechanism |
| CN106407312B (en) * | 2016-08-31 | 2019-05-21 | 大唐黄岛发电有限责任公司 | The construction method of database, as-fired coal matter are dynamically determined method and system |
| CN112834484B (en) * | 2020-12-31 | 2022-05-03 | 浙江大学 | Method and device for rapidly testing coal quality components of coal-fired power plant on line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562044A (en) * | 1982-07-06 | 1985-12-31 | The Babcock & Wilcox Company | On-line coal analyzer |
| CN1514225A (en) * | 2003-07-04 | 2004-07-21 | 罗华东 | Coal quality industrial analysis continuous determination method and its analysis instrument |
| CN100526859C (en) * | 2006-08-23 | 2009-08-12 | 太原市海通自动化技术有限公司 | Coal on-line analyse equipment based on laser induced spectral and nerve network technology |
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2013
- 2013-05-02 CN CN201310155732.3A patent/CN103278653B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562044A (en) * | 1982-07-06 | 1985-12-31 | The Babcock & Wilcox Company | On-line coal analyzer |
| CN1514225A (en) * | 2003-07-04 | 2004-07-21 | 罗华东 | Coal quality industrial analysis continuous determination method and its analysis instrument |
| CN100526859C (en) * | 2006-08-23 | 2009-08-12 | 太原市海通自动化技术有限公司 | Coal on-line analyse equipment based on laser induced spectral and nerve network technology |
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