CN107632107A - A kind of Burning Behavior For Pulverized Coal quick determination method - Google Patents
A kind of Burning Behavior For Pulverized Coal quick determination method Download PDFInfo
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Abstract
The present invention relates to a kind of Burning Behavior For Pulverized Coal quick determination method, it comprises the following steps：S1. a variety of different standard coals are chosen, Raman spectrum test and thermogravimetric analysis are carried out to every kind of standard coal respectively, obtain Raman spectral characteristics parameter and coal dust firing characteristic parameter, the mapping relations of calculated Raman spectrum characteristic parameter and coal dust firing characteristic parameter, establish Raman spectral characteristics parameter and Burning Behavior For Pulverized Coal characteristic parameter linked database；S2. Raman spectrum test is carried out to raw coal to be detected, obtains and its Raman spectral characteristics parameter and it is compared with linked database, according to corresponding mapping relations, obtain the Burning Behavior For Pulverized Coal parameter of raw coal to be detected.Have the beneficial effect that：Detection is quick, can obtain multiple Burning Behavior For Pulverized Coal parameters simultaneously, comprehensively and accurate；After establishing database, only need to carry out raw coal to be measured Raman spectrum detection every time to can obtain Burning Behavior For Pulverized Coal parameter, rear current cost is relatively low and efficiency high, suitable for engineering application.
Description
Technical field
Patent of the present invention belongs to Burning Behavior For Pulverized Coal detection field, more particularly to a kind of Burning Behavior For Pulverized Coal is quick
Detection method.
Background technology
Coal accounting 65% or so in the primary energy of China, and the coal of wherein most supplies for combustion power generation
Energy.During coal burning, the combustion characteristics of coal is the key factor for the efficiency of combustion and pollutant for influenceing boiler, therefore
The combustion characteristics of look-ahead coal dust is most important to boiler combustion adjustment and its high-efficiency cleaning burning.
Do not detected directly in coal-burning power plant, the combustion characteristics of coal dust at present, but directly pass through Industrial Analysis element point
Analysis obtains the ature of coal parameter of coal dust, further according to empirical equation, carries out calculating prediction, the degree of accuracy is not high.The member of one side coal dust
The analysis of plain analytical industry though accurately, taking longer, is unfavorable for the quick acquisition of parameter, with this, it is necessary to carried out with reference to national standard
Meanwhile the combustion characteristics of the coal dust not only relating to parameters with Industrial Analysis elementary analysis, it is closer with the chemical constitution of coal dust
Association, the especially concentrating degree of phenyl ring, oxygen-containing functional group number, alkane side chain number and crosslinked action power,
Therefore the combustion characteristics for being predicted coal dust often through elementary analysis Industrial Analysis parameter has certain limitation.
Patent CN201510680107.X disclose it is a kind of detect boiler furnace in coal dust firing dynamic characteristics method and
System, total burning time and the Secondary Air air distribution state for leaving burner hearth are injected to from burner nozzle according to default coal dust,
Sliding-model control is carried out to process of coal combustion, obtains several oxygen concentration sections, several temperature ranges, each oxygen concentration area
Between the first burning time and each temperature range the second burning time, further according to thermogravimetric to simulate corresponding condition come it is pre-
Combustion characteristics of the coal dust in each section is surveyed, but this method can not fast and accurately detect the combustion characteristics of coal dust；Specially
Sharp CN200610046105.6 discloses a kind of coal powder performance detection method and its device, this method by produce coal sample,
Make coal combustion, coal dust remains static in combustion process, while relevant gas caused by on-line continuous detection combustion process contains
Amount, and result is analyzed.The invention is mainly the generation process according to burning waste gas, judges coal dust firing state, still
This method can not also realize quick detection.Patent CN201610600182.5 discloses a kind of ature of coal based on Raman spectrum analysis
Quick determination method, though have between ature of coal and the combustion characteristics of coal dust it is certain contact, pass through ature of coal as described in leading portion content
Predict that the combustion characteristics degree of accuracy of coal dust is not high, reason is closely related for the combustion characteristics of coal dust and the chemical constitution of coal dust, coal
Matter can not but accurately reflect the chemical constitution of coal dust, therefore the correlation of ature of coal and the combustion characteristics of coal dust is difficult to ensure that；In addition,
It can be drawn the following conclusions according to above-mentioned analysis：Though patent CN201610600182.5 discloses a kind of based on Raman spectrum analysis
Ature of coal quick determination method, but those skilled in the art can not be built with " Raman spectrum → ature of coal → Burning Behavior For Pulverized Coal "
The quick detection of vertical coal dust, because ature of coal to relevance between Burning Behavior For Pulverized Coal only has empirical equation can use, and channel syndrome
Its real degree of accuracy is not high, therefore still lacks the quick determination method of effective Burning Behavior For Pulverized Coal in the prior art.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of Burning Behavior For Pulverized Coal quick detection
Method, its object is to provide a kind of quick, reliable, simple to operate and that coal dust can be obtained simultaneously ignition temperature, Burn-out temperature,
The Burning Behavior For Pulverized Coal relevant parameter such as activation energy and pre-exponential factor.This method is applicable to the Burning Behavior For Pulverized Coal of coal-burning power plant etc.
Detection, the detection for the coal combustion character being also applied for during laboratory research.
To achieve the above object, the technical solution adopted by the present invention is as follows：A kind of Burning Behavior For Pulverized Coal quick determination method,
It comprises the following steps：
S1. Raman spectral characteristics parameter is established with Burning Behavior For Pulverized Coal characteristic parameter linked database：
Choose a variety of different ranks, the standard coal of different ash contents, respectively to every kind of standard coal carry out Raman spectrum test and
Thermogravimetric analysis, obtain the Raman spectral characteristics parameter and coal dust firing characteristic parameter of every kind of standard coal, calculated Raman spectrum feature
Parameter and the mapping relations of coal dust firing characteristic parameter, establish Raman spectral characteristics parameter and closed with Burning Behavior For Pulverized Coal characteristic parameter
Join database,
Wherein Raman spectral characteristics parameter includes：D peaks, V peaks, G peaks, 2D peaks, 2G peaks, the peak position at (G+D) peak and 2S peaks
PD、PV、PG、P2D、P2G、P(G+D)、P2SAnd combinations thereof P(G-D), peak width WD、WV、WG、W2D、W2G、W(D+G)And W2S, peak area ID、IV、
IG、I2D、I2G、I(D+G)And I2S, single order Raman spectrum total peak area and second order Raman spectrum total peak area S1、S2And its respective combination
ID/S1、IV/S1、IG/S1、I2D/S2、I2G/S2、I(D+G)/S2、S1/S2、IV/I2D、I2D/I2S、I(D+G)/I2SAnd I(D+G)/I2S, specifically
During operation, required according to the difference to database precision, can all obtain above-mentioned parameter, also can only obtain one in above-mentioned parameter
Part；Burning Behavior For Pulverized Coal characteristic parameter includes：Ignition point (Ti), maximum weightless temperature (Tm), Burn-out temperature (Tb), burn-off rate
(Bn), activation energy (E) and pre-exponential factor (K)；
S2. Burning Behavior For Pulverized Coal quick detection：
Raman spectrum test is carried out to raw coal to be detected using with S1 identicals mode and benchmark, obtained corresponding with S1
Simultaneously it is compared with the linked database that S1 has been established for Raman spectral characteristics parameter, according to corresponding drawing in linked database
Graceful spectral signature parameter and the mapping relations of Burning Behavior For Pulverized Coal characteristic parameter, obtain the Burning Behavior For Pulverized Coal ginseng of raw coal to be detected
Number.Namely Raman spectrum test is carried out to raw coal to be detected, and Raman spectrogram is parsed, obtain the drawing of raw coal to be detected
Graceful spectral correlation characteristic parameter, and the Burning Behavior For Pulverized Coal-Raman spectrum linked database established is inputted, by database
The mapping relations of related Raman spectral signature parameter and Burning Behavior For Pulverized Coal, the T of raw coal to be detected can be calculatedi、Tm、Tb、
Bn, the Burning Behavior For Pulverized Coal characteristic parameter such as E, K, the combustion characteristics of coal dust to be detected can be obtained.
On the basis of above-mentioned technical proposal, the present invention can also have following further specifically chosen.
Specifically, at least 10 kinds of the quantity for the standard coal chosen, selected standard coal be raw ore coal and for it is representative not
Same coal.Standard coal is non-mixed coal and its selection is not limited only to lignite to the conventional coal such as anthracite, in addition to different rank,
The standard coal of different ash contents, different in moisture.
Specifically, Raman spectrum detection range selects 800-3400cm-1Spectral coverage, the spectral coverage of single order Raman peaks is 800-
1800cm-1, the spectral coverage of second order Raman peaks is 1800-3400cm-1.When being parsed to Raman spectrogram, Raman spectrum is entered
Row parsing not only includes single order wave band (800-1800cm-1) also include second order wave band (2100-3400cm-1), and can use
Five peaks also can carry out swarming fitting using ten peaks, and peak shape can be that Gaussian peak can also be Lorentz peak.
Specifically, the mapping relations in S1 are used to reflect that Raman spectral characteristics parameter is joined with single Burning Behavior For Pulverized Coal feature
Associated between number or reflect associating between Raman spectral characteristics parameter and multiple Burning Behavior For Pulverized Coal characteristic parameters.
Compared with prior art, the beneficial effects of the invention are as follows：
1. present invention detection is quick, the ignition temperature of coal dust, maximum weightless temperature, Burn-out temperature, activation can be obtained simultaneously
The parameter such as energy and pre-exponential factor, it is comprehensively and accurate.
2. the Raman spectral characteristics parameter that the present invention is established and Burning Behavior For Pulverized Coal parameter association database, coal are neat
Entirely, data are abundant, as powerful database can Reusability, the Burning Behavior For Pulverized Coals of all raw ore coals can be covered in theory
Quick detection, and for detection accuracy provide guarantee.
After 3. the present invention establishes database, it is only necessary to which Raman spectrum detection is carried out to raw coal to be detected can be fast accordingly
Speed obtains Burning Behavior For Pulverized Coal parameter, and test is simple, and rear current cost is relatively low and efficiency high, suitable for engineering application.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of Burning Behavior For Pulverized Coal quick determination method provided by the invention；
Fig. 2 is that Burning Behavior For Pulverized Coal parameter T is obtained from thermogravimetric curvei、TmAnd TbMethod signal；
Fig. 3 is the Raman spectrum artwork of typical 10 kinds of standard coals；
Fig. 4 is Raman spectral characteristics parameter peak position P(G-D)With Burning Behavior For Pulverized Coal parameter TiMapping relations schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Conflict can is not formed between this to be mutually combined.
The combustion characteristics of coal dust depends primarily on the characteristic (internal condition) and burning condition (external condition) of coal dust, generally
For external burning condition can be adjusted according to inherent coal powder performance, so as to realize burning condition, therefore in identical
In under external condition the combustion characteristics that determines of coal powder performance it is most important to the firing optimization of coal-burning power plant and optimization.And coal
Mainly include physical arrangement, chemical constitution and alkali metal alkaline earth metal content etc. in the characteristic of powder.For most of coal dust,
The content of alkali metal alkaline earth metal is all less, therefore for most of different coals, the influence of alkali metal alkaline earth metal is smaller.
And typically, when the initial particle of coal dust is identical, physical arrangement is similar, the same terms such as porosity, specific surface area etc.
Under, initial physical arrangement difference is little.Therefore in the characteristic of coal dust, chemical constitution is a main decision Burning Behavior For Pulverized Coal
Factor.So if the chemical constitution that can accurately and rapidly characterize coal dust is the key of the combustion characteristics prediction to coal dust.
Raman spectrum is a kind of inelastic scattering light, and when laser gets to material surface, the molecule of material surface can produce spy
The Raman spectrum of sign forms Raman peaks, therefore feature peak energy characterizes specific chemical constitution in material in Raman spectrum.Due to drawing
Graceful spectrum is very sensitive to carbon structure, therefore the change of its chemical constitution to coal is very sensitive.In general, the Raman light of coal
1350cm in spectrum-1Neighbouring D peaks can reflect big aromatic ring structure in coal and be located at 1580cm-1In neighbouring G peak energy reflection coal
The intensity of graphite crystal, and 1500cm-1The duvets such as agraphitic carbon and methylmethylene that neighbouring V peaks can then reflect in coal
Structure.And it is located at 2400cm-1The 2S peaks of left and right can then reflect crosslinked action intensity or oxygen-containing hat can roll into a ball it is how many etc..By to these peaks
Change quantitative analysis, it is possible to obtain the change of these chemical constitutions in coal, be capable of efficiently and accurately sign coal change
Learn structure.Further, since Raman spectrum is a kind of inelastic scattering spectrum of light, its formed and record can with very fast, because
This, the test of Raman spectrum is also a more rapid process, and efficiency is higher.It may be said that Raman spectroscopy can be efficiently accurate
The chemical constitution of true record coal.
Based on principles above, of the invention provides a kind of Burning Behavior For Pulverized Coal quick determination method, the flow of this method
Schematic diagram is as shown in figure 1, specifically comprise the following steps：
S1. Raman spectral characteristics parameter is established with Burning Behavior For Pulverized Coal characteristic parameter linked database：
Choose a variety of different ranks, the standard coal of different ash contents, respectively to every kind of standard coal carry out Raman spectrum test and
Thermogravimetric analysis, obtain the Raman spectral characteristics parameter and coal dust firing characteristic parameter of every kind of standard coal, calculated Raman spectrum feature
Parameter and the mapping relations of coal dust firing characteristic parameter, establish Raman spectral characteristics parameter and closed with Burning Behavior For Pulverized Coal characteristic parameter
Join database,
Wherein Raman spectral characteristics parameter includes：D peaks, V peaks, G peaks, 2D peaks, 2G peaks, the peak position at (G+D) peak and 2S peaks
PD、PV、PG、P2D、P2G、P(G+D)、P2SAnd combinations thereof P(G-D), peak width WD、WV、WG、W2D、W2G、W(D+G)And W2S, peak area ID、IV、
IG、I2D、I2G、I(D+G)And I2S, single order Raman spectrum total peak area and second order Raman spectrum total peak area S1、S2And its respective combination
ID/S1、IV/S1、IG/S1、I2D/S2、I2G/S2、I(D+G)/S2、S1/S2、IV/I2D、I2D/I2S、I(D+G)/I2SAnd I(D+G)/I2S；Coal dust
Combustion characteristics characteristic parameter includes：Ignition point, maximum weightless temperature, Burn-out temperature, burn-off rate, activation energy and pre-exponential factor；
S2. Burning Behavior For Pulverized Coal quick detection：
Raman spectrum test is carried out to raw coal to be detected using with S1 identicals mode and benchmark, obtained corresponding with S1
Simultaneously it is compared with the linked database that S1 has been established for Raman spectral characteristics parameter, according to corresponding drawing in linked database
Graceful spectral signature parameter and the mapping relations of Burning Behavior For Pulverized Coal characteristic parameter, obtain the Burning Behavior For Pulverized Coal ginseng of raw coal to be detected
Number.
The first embodiment of the present invention, and an application example based on first embodiment is described below.
(1) Burning Behavior For Pulverized Coal-Raman spectrum linked database is established
Including choosing different rank, high ash content, high-moisture raw coal, and standard coal is subjected to mechanical lapping, obtaining particle diameter is
74-105 μm of coal dust, and thermogravimetric analysis and Raman spectrum analysis are carried out to these coal dusts respectively.
(1a) carries out parsing to the Raman spectrum of standard coal and obtains D peaks, V peaks, G peaks, 2D peaks, 2G peaks, (G+D) peak, 2S peaks
Deng peak peak position PD、PV、PG、P2D、P2G、P(G+D)、P2SAnd combinations thereof P(G-D), peak width WD、WV、WG、W2D、W2G、W(D+G)、W2S, peak face
Product ID、IV、IG、I2D、I2G、I(D+G)、I2S, single order Raman spectrum total peak area and second order Raman spectrum total peak area S1、S2And its
Respective combination ID/S1、IV/S1、IG/S1、I2D/S2、I2G/S2、I(D+G)/S2、S1/S2、IV/I2D、I2D/I2S、I(D+G)/I2S、I(D+G)/
I2SEtc. Raman spectral characteristics parameter.
During being parsed to Raman spectrum, including the pretreatment of Raman spectrum and the swarming meter of Raman spectrum
Calculate, pretreatment includes Raman spectrum carrying out segment processing, is divided into single order Raman peaks and second order Raman peaks, to ensure the true of spectrum
Reality, the processing that can change Raman spectrum shape such as smooth is not carried out to Raman spectrum.When carrying out swarming to Raman spectrum, to one
Rank spectral coverage, two peaks, three peaks and ten peak swarming parsings can be carried out respectively, to second order spectral coverage, can use the difference such as three peaks and eight peaks
Swarming method, it is therefore an objective to obtain Raman spectral characteristics parameter as much as possible with different method.
(1b) can obtain change of the coal dust with temperature, the change of its own quality, by heat by thermogravimetric analysis
The computer disposal of weight-loss curve, the ignition temperature (T of coal dust can be obtainedi), maximum weightless temperature (Tm), Burn-out temperature (To)、
Burn-off rate (Bn), activation energy (E), pre-exponential factor (K).
Corresponding characteristic temperature and burn-off rate can be obtained using tangential method when calculating the combustion characteristics characteristic parameter of coal dust,
Activation energy (E) and pre-exponential factor (K) can be obtained using dynamics calculation.
(1c) is established in (1a) in Raman spectral characteristics parameter and (1b) between each Burning Behavior For Pulverized Coal characteristic parameter respectively
Relation, the mapping relations established between both parameters, so as to establish Burning Behavior For Pulverized Coal-Raman spectral characteristics parameter association
Database.
More particularly using any one Raman spectral characteristics parameter as abscissa, one of Burning Behavior For Pulverized Coal feature ginseng
The non-ordinate of number, draws mapping relations figure between the two, and carries out the Fitting Calculation and obtain incidence relation formula.In the association of acquisition
In relational expression, fitting coefficient it is higher as the incidence relation formula preferentially used.In the mapping relations finally obtained, Ke Nengyi
Individual Raman spectrum parameter can be mapped with one or several Burning Behavior For Pulverized Coal characteristic parameters, it is also possible to several Raman lights
Spectrum signature parameter preferably associates with a Burning Behavior For Pulverized Coal characteristic parameter, therefore can be as more as possible when establishing database
This mapping relations of searching and be recorded into database.
(2) Burning Behavior For Pulverized Coal quick detection to be measured
(2a) carries out Raman spectrum detection to coal to be measured
Because grinding will not produce change to the chemical constitution of coal dust, because typically need not be to be measured before Raman detection
Coal is ground.It is identical with (1) further for parameter used in the Raman detection of coal to be measured.Obtain the Raman light of coal to be measured
After spectrum, such as the parsing in (1) is carried out to Raman spectrum and obtains corresponding Raman spectral characteristics parameter.
(2b) coal Raman spectral characteristics parameter comparison data storehouse to be measured
The Raman spectral characteristics parameter of the coal to be measured obtained in (2a) is joined with the Burning Behavior For Pulverized Coal feature obtained in (1)
The linked database of number-Raman spectral characteristics parameter is compared, and can obtain ignition temperature (Ti), maximum weightless temperature (Tm)、
Burn-out temperature (To), burn-off rate (Bn), activation energy (E), the Burning Behavior For Pulverized Coal characteristic parameter such as pre-exponential factor (K), so that it is determined that treating
Survey burning of coal characteristic.
During comparison, a combustion characteristics characteristic parameter is corresponded to when running into multiple Raman spectral characteristics parameters
When, multiple Raman spectral characteristics parameters can be substituted into corresponding correlation, obtain multiple values and raising of averaging is predicted
Precision.
Here is an application example based on first embodiment.
1) 40 kinds of standard coals are chosen, marked as 1-40, and grinding screening obtains the coal dust that particle diameter is 74-105 μm respectively,
Heat analysis is carried out in thermogravimetric.The heating schedule of heat analysis such as following table：
The heat analysis temperature program(me) of table 1
2) by tangential method (as shown in Figure 2) and dynamic analysis, 40 kinds of burning of coal characteristic feature parameters is obtained, are table
Up to simplicity, here and follow-up example only enumerates the related data of wherein typical 10 kinds of standard coals, as shown in table 2.
The standard coal combustion character characteristic parameter of table 2
3) Raman spectrum test is carried out to 40 kinds of standard coals, the Raman spectrogram of standard coal is obtained, wherein ten kinds of typical case
As shown in Figure 3, Raman spectrum test condition is as shown in table 3 for spectrogram：
The Raman spectrum test condition of table 3
| Optical maser wavelength | Laser power | Eyepiece multiple | Sweep time | Scanning range |
| 532.16nm | 5mW | ×50 | 15s | 800-3400cm-1 |
4) Raman spectrum is parsed, obtains the Raman spectral characteristics parameter of standard coal, wherein ten kinds of standard coal
Raman spectral characteristics parameter, as shown in table 4：
The standard coal Raman spectral characteristics parameter of table 4
5) the Raman spectral characteristics parameter of the Burning Behavior For Pulverized Coal characteristic parameter obtained and coal dust is associated, established
Burning Behavior For Pulverized Coal-Raman spectral characteristics parameter association database, wherein typical relation G peak positions-D peak positions and coal powder ignition characteristic
Incidence relation it is as shown in Figure 4.
6) coal to be measured, and repeat step 3 are obtained) step 4) obtain coal to be measured Raman spectral characteristics parameter it is as shown in table 5：
The coal Raman spectral characteristics parameter to be measured of table 5
7) coal Raman spectral characteristics parameter to be measured is substituted into the Burning Behavior For Pulverized Coal-Raman spectral characteristics established in step 5)
Parameter association database, it is as shown in table 6 to obtain burning of coal characteristic feature parameters to be measured：
The coal combustion character characteristic parameter to be measured of table 6
8) combustion characteristics experiment is carried out to coal to be measured with thermogravimetric analyzer, calculates its actual combustion characteristics characteristic parameter such as
Shown in table 7：
The coal Actual combustion characteristic feature parameters to be measured of table 7
It is by contrast as can be seen that special with its Actual combustion by the coal combustion character characteristic parameter to be measured that this method measures
Property difference is smaller, and error further illustrates the feasibility of this method within 2%, while it is higher to also demonstrate its accuracy.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (4)
1. a kind of Burning Behavior For Pulverized Coal quick determination method, it is characterised in that comprise the following steps：
S1. Raman spectral characteristics parameter is established with Burning Behavior For Pulverized Coal characteristic parameter linked database：
A variety of different ranks, the standard coal of different ash contents are chosen, Raman spectrum test and thermogravimetric are carried out to every kind of standard coal respectively
Analysis, obtain the Raman spectral characteristics parameter and coal dust firing characteristic parameter of every kind of standard coal, calculated Raman spectrum characteristic parameter
With the mapping relations of coal dust firing characteristic parameter, Raman spectral characteristics parameter and Burning Behavior For Pulverized Coal characteristic parameter incidence number are established
According to storehouse,
Wherein Raman spectral characteristics parameter includes：D peaks, V peaks, G peaks, 2D peaks, 2G peaks, the peak position P at (G+D) peak and 2S peaksD、PV、
PG、P2D、P2G、P(G+D)、P2SAnd combinations thereof P(G-D), peak width WD、WV、WG、W2D、W2G、W(D+G)And W2S, peak area ID、IV、IG、I2D、
I2G、I(D+G)And I2S, single order Raman spectrum total peak area and second order Raman spectrum total peak area S1、S2And its respective combination ID/S1、
IV/S1、IG/S1、I2D/S2、I2G/S2、I(D+G)/S2、S1/S2、IV/I2D、I2D/I2S、I(D+G)/I2SAnd I(D+G)/I2S；Coal dust firing is special
Property characteristic parameter includes：Ignition point, maximum weightless temperature, Burn-out temperature, burn-off rate, activation energy and pre-exponential factor；
S2. Burning Behavior For Pulverized Coal quick detection：
Raman spectrum test is carried out to raw coal to be detected using with S1 identicals mode and benchmark, obtains the Raman corresponding with S1
Simultaneously it is compared with the linked database that S1 has been established for spectral signature parameter, according to corresponding Raman light in linked database
Spectrum signature parameter and the mapping relations of Burning Behavior For Pulverized Coal characteristic parameter, obtain the Burning Behavior For Pulverized Coal parameter of raw coal to be detected.
A kind of 2. Burning Behavior For Pulverized Coal quick determination method according to claim 1, it is characterised in that the standard coal of selection
At least 10 kinds of quantity, selected standard coal is raw ore coal and for representative different coal.
3. a kind of Burning Behavior For Pulverized Coal quick determination method according to claim 1, it is characterised in that Raman spectrum detects
Scope selects 800-3400cm-1Spectral coverage, the spectral coverage of single order Raman peaks is 800-1800cm-1, the spectral coverage of second order Raman peaks is
1800-3400cm-1。
A kind of 4. Burning Behavior For Pulverized Coal quick determination method according to any one of claims 1 to 3, it is characterised in that S1
In mapping relations be used to reflect between Raman spectral characteristics parameter and single Burning Behavior For Pulverized Coal characteristic parameter and associate or reflect
Associating between Raman spectral characteristics parameter and multiple Burning Behavior For Pulverized Coal characteristic parameters.
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| CN109447396A (en) * | 2018-09-14 | 2019-03-08 | 华电电力科学研究院有限公司 | A kind of method and system characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result |
| CN112710638A (en) * | 2020-12-19 | 2021-04-27 | 华中科技大学 | Method for rapidly detecting coal quality based on photoluminescence spectrum comprehensive analysis |
| CN112710638B (en) * | 2020-12-19 | 2022-05-13 | 华中科技大学 | Method for rapidly detecting coal quality based on photoluminescence spectrum comprehensive analysis |
| CN114184596A (en) * | 2021-12-09 | 2022-03-15 | 中国科学院上海微系统与信息技术研究所 | Synchronous thermogravimetry-Raman characterization method |
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