CN109447396A - A kind of method and system characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result - Google Patents
A kind of method and system characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result Download PDFInfo
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- 238000004458 analytical method Methods 0.000 title claims abstract description 135
- 239000003245 coal Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012512 characterization method Methods 0.000 claims abstract description 9
- 238000003556 assay Methods 0.000 claims abstract description 7
- 238000011156 evaluation Methods 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 24
- 238000013461 design Methods 0.000 claims description 14
- 239000010883 coal ash Substances 0.000 claims description 13
- 238000005299 abrasion Methods 0.000 claims description 8
- 238000011109 contamination Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 230000001535 kindling effect Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
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- -1 volatile matter Chemical compound 0.000 claims description 5
- 235000005770 birds nest Nutrition 0.000 claims description 4
- 235000005765 wild carrot Nutrition 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002956 ash Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 description 3
- 238000013215 result calculation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
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Abstract
The present invention relates to a kind of method and system that high analysis of complexity conclusion is characterized with low complex degree Coal Analysis result.As the range that fire coal utilizes is growing, the requirement to coal property evaluation is also increasingly improved, and the contradiction of timeliness, economy and assay precision is more prominent, and speed is fast, demand at low cost and evaluating accurate analysis method is also increasingly prominent.The result characterization thermobalance analysis of the Coal Analysis of the low complex degrees such as present invention Industrial Analysis or elemental analysis or thermomicroscopy analyze contour analysis of complexity conclusion, less expense and time can be spent, pass through a certain amount of calculating, more deep analysis is carried out to coal-fired characteristic, be conducive to accurately hold coal characteristic, preferably guidance operation and research solve the contradiction between coal analysis timeliness, budget limit and analysis method excessively complexity.
Description
Technical field
The present invention relates to coal property analysis methods, and in particular to a kind of high multiple with low complex degree Coal Analysis result characterization
The method and system of miscellaneous degree analysis conclusion.
Background technique
Coal has very important status in the energy in China, in the life of the industries such as electric power, the energy, building materials and metallurgy
It produces in link, coal is most important energy source.Coal-fired performance evaluation is ring work important in coal utilization, with
The characteristic of solution coal instructs operation and maintenance.Most common analysis method includes Industrial Analysis, elemental analysis etc., and Industrial Analysis is multiple
Miscellaneous degree is low, and analysis speed is fast, at low cost, and analysis result is enough to deal with the daily use of coal utilization enterprise；Elemental analysis is to grind
The degree of metamorphism for studying carefully coal calculates the calorific value of coal, estimates in the important indicator and industry of coal carbonization product and makees fuel with coal
The basis of Shi Jinhang heat Calculation.And the Coal Analysis method of high complexity such as thermobalance analysis, thermomicroscopy analysis, coal dust
Catch fire index furnace etc., and such as application No. is 201310164280.5 Chinese patents, and analysis result is more careful, to coal property
It is more deep, accurate to evaluate, but analysis speed is slow, higher cost, can not adapt to timeliness required by industrial application and economy
Property.
As the range that fire coal utilizes is growing, the requirement to coal property evaluation is also increasingly improved, timeliness, economy
Property and assay precision contradiction it is more prominent, speed is fast, demand at low cost and evaluating accurate analysis method
It is increasingly prominent.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide a kind of coal-fired with low complex degree
Analysis result characterizes the method and system of high analysis of complexity conclusion, by obtaining the analysis of low complex degree as a result, being calculated
It is generally necessary to obtained through excessively high analysis of complexity, can more accurate Characterization coal property conclusion, solve timeliness, economy
Property and assay precision contradiction, it is horizontal to help to improve boiler design and operation debugging.
Technical solution used by the present invention solves the above problems is: a kind of high with low complex degree Coal Analysis result characterization
The method of analysis of complexity conclusion characterized by comprising
(1) raw coal is taken to carry out low complex degree coal analysis；
(2) it is calculated according to the low complex degree analysis result obtained in step (1)；
(3) specific coal property is characterized according to the calculated result of step (2)；The coal property and the high complexity of use
The resulting result of analysis method or conclusion are consistent or close.
Furthermore, low complex degree Coal Analysis result includes: that fixed carbon, volatile matter, sulfur, ash, moisture, charcoal contain
Amount, hydrogen content, oxygen content, nitrogen content, high calorific power, low heat valve, deformation temperature, softening temperature, hemispherical fusion temperature and stream
Dynamic temperature.
Furthermore, high complexity Coal Analysis method includes: thermobalance analysis, thermomicroscopy analysis, coal dust
Fiery index furnace analysis, Drop tube furnace analysis and the analysis of one-dimensional flame assay furnace.
Furthermore, high complexity Coal Analysis conclusion includes: high analysis of complexity methods and results and its amplifies out
Coal property discriminant index.
Furthermore, the coal property discriminant index includes: kindling and the combustion stability discriminant index, coal of coal
Burnout characteristic discriminant index, coal ash bird nest property discriminant index, the contamination of coal and the stifled grey property identification index of corrosion, coal ash abrasion
The discriminant index of characteristic, the erosive index of coal and abrasion index.
Furthermore, the high complexity Coal Analysis conclusion can be used for the evaluation and analysis of Combustion Characteristics of Blended Coals.
System in the above-mentioned method for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result, feature
It is, comprising:
Acquiring unit, for obtaining coal-fired low complex degree analysis result and boiler design parameter；
First computing unit, for calculating high analysis of complexity conclusion according to low complex degree Coal Analysis result；
Second computing unit, for the combustion characteristics of mixed coal to be evaluated and analyzed according to high analysis of complexity conclusion；
Output unit is mixed and is matched according to high analysis of complexity conclusion and Combustion Characteristics of Blended Coals output boiler operatiopn adjustment and burning
Burning is mixed to suggest.
Furthermore, the boiler design parameter includes: rated capacity, combustion type, burner type, design coal
Matter, size of burner hearth, Thermal load of cross-section, volume heat load, wall with refractory lining, refracto area and pulverized coal preparation system form.
Furthermore, the output unit is according to the kindling of coal and the burnout characteristic of combustion stability discriminant index, coal
Discriminant index, coal ash bird nest property discriminant index, the contamination of coal and the stifled grey property identification index of corrosion, coal ash wearing character are sentenced
Other index, the erosive index of coal and abrasion index and Combustion Characteristics of Blended Coals, in conjunction with boiler design parameter output boiler fortune
Row adjustment and burning, which mix to match, mixes burning suggestion.
Compared with prior art, the present invention having the following advantages that and effect: high with low complex degree Coal Analysis result characterization
The method of analysis of complexity conclusion, comprising: raw coal is taken to carry out low complex degree coal analysis；Result is analyzed according to the low complex degree
It is calculated；Calculated result can characterize specific coal property；With use the resulting result of high analysis of complexity method or conclusion
It is consistent or close.Can more accurate Characterization coal property conclusion, solve timeliness, economy and assay precision
Contradiction.The system for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result can combine calculated result and boiler
Parameter targetedly exports boiler operatiopn adjustment and burning is mixed with burning suggestion is mixed, and helps to improve boiler design and operation debugging
It is horizontal.
Detailed description of the invention
Fig. 1 is the flow diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of the acquiring unit of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the output unit of the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1, a method of high analysis of complexity conclusion is characterized with low complex degree Coal Analysis result, comprising:
(1) raw coal is taken to carry out low complex degree coal analysis；
(2) it is calculated according to the low complex degree analysis result obtained in step (1)；
(3) specific coal property is characterized according to the calculated result of step (2)；Coal property and the high analysis of complexity of use
The resulting result of method or conclusion are consistent or close.
Low complex degree Coal Analysis result include: fixed carbon, volatile matter, sulfur, ash, moisture, carbon content, hydrogen content,
Oxygen content, nitrogen content, high calorific power, low heat valve, deformation temperature, softening temperature, hemispherical fusion temperature and flowing temperature.
High complexity Coal Analysis method includes: thermobalance analysis, thermomicroscopy analysis, coal powder ignition index furnace point
Analysis, Drop tube furnace analysis and the analysis of one-dimensional flame assay furnace.
High complexity Coal Analysis conclusion includes: that high analysis of complexity methods and results and its coal property amplified out differentiate
Index.
Coal property discriminant index includes: that the kindling of coal and the burnout characteristic differentiation of combustion stability discriminant index, coal refer to
Number, the contamination of coal ash bird nest property discriminant index, coal and the differentiation of corrosion stifled grey property identification index, coal ash wearing character refer to
Number, the erosive index of coal and abrasion index.
High complexity Coal Analysis conclusion can be used for the evaluation and analysis of Combustion Characteristics of Blended Coals.
System in the above-mentioned method for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result, comprising:
Acquiring unit, for obtaining coal-fired low complex degree analysis result and boiler design parameter；
First computing unit, for calculating high analysis of complexity conclusion according to low complex degree Coal Analysis result；
Second computing unit, for the combustion characteristics of mixed coal to be evaluated and analyzed according to high analysis of complexity conclusion；
Output unit is mixed and is matched according to high analysis of complexity conclusion and Combustion Characteristics of Blended Coals output boiler operatiopn adjustment and burning
Burning is mixed to suggest.
Boiler design parameter includes: rated capacity, combustion type, burner type, designing coal quality, size of burner hearth, section
Thermic load, volume heat load, wall with refractory lining, refracto area and pulverized coal preparation system form.
Output unit is according to the kindling of coal and combustion stability discriminant index, the burnout characteristic discriminant index of coal, coal ash knot
Slag property identification index, the contamination of coal and the stifled grey property identification index of corrosion, the discriminant index of coal ash wearing character, coal are ground
Property coefficient and abrasion index and Combustion Characteristics of Blended Coals, the output boiler operatiopn adjustment of bonded boiler design parameter and burning, which mix to match, mixes burning
It is recommended that.
Specific implementation process is as follows:
Thermobalance test result is levied with industrial analytical data, Industrial Analysis is a kind of common low complex degree fire coal chemical examination
Method, and thermobalance method is a kind of high analysis of complexity method closer to boiler Actual combustion state, passes through thermobalance method
Analysis can accurately analyze and determine the ignition stability and after-flame performance of coal, can be amplified out according to thermobalance test result
There is the ignition stability index R of coalWWith after-flame sex index RJ.According to embodiments of the present invention, it provides and a kind of uses Industrial Analysis
The ignition stability index R of data characterization coalWWith after-flame sex index RJEmbodiment.
The coal-fired Industrial Analysis result of table 1
| Coal-fired serial number | Mt | Mad | Aad | Vdaf | FCad | Qnet.ar |
| 1 | 5.35 | 0.66 | 17.59 | 13.04 | 71.09 | 6260 |
| 2 | 6.45 | 0.24 | 44.01 | 14.65 | 47.58 | 3890 |
| 3 | 9.43 | 0.64 | 18.61 | 11.75 | 71.26 | 5820 |
| 4 | 9.47 | 0.5 | 29.82 | 5.32 | 65.97 | 4769 |
| 5 | 8.88 | 0.22 | 20.97 | 12.79 | 68.73 | 5725 |
| 6 | 7.46 | 0.34 | 34.17 | 16.58 | 54.62 | 4657 |
| 7 | 4.34 | 1.12 | 19.3 | 15.2 | 67.48 | 6203 |
| 8 | 4.9 | 1.8 | 36.7 | 32.21 | 41.69 | 4527 |
| 9 | 5.92 | 0.8 | 21.77 | 19.73 | 62.15 | 5870 |
| 10 | 5.6 | 0.75 | 19.1 | 14.5 | 68.53 | 6040 |
| 11 | 5.87 | 0.62 | 26.63 | 21.35 | 57.22 | 5298 |
| 12 | 7.86 | 5.53 | 32.29 | 39.93 | 37.35 | 4202 |
| 13 | 4.47 | 2.7 | 27.85 | 39.15 | 42.26 | 4894 |
| 14 | 9.8 | 3.68 | 11.65 | 33.06 | 56.68 | 5972 |
| 15 | 4.83 | 1.37 | 30.26 | 28.64 | 48.79 | 4668 |
The ignition stability index R of the industrial Analysis result calculation coal of table 2W' and after-flame sex index RJ’
| Coal-fired serial number | RW’ | RJ’ |
| 1 | 4.593 | 3.126 |
| 2 | 4.24 | 3.153 |
| 3 | 4.517 | 3.043 |
| 4 | 4.043 | 2.626 |
| 5 | 4.509 | 3.036 |
| 6 | 4.484 | 3.288 |
| 7 | 4.687 | 3.336 |
| 8 | 5.229 | 4.492 |
| 9 | 4.841 | 3.559 |
| 10 | 4.641 | 3.23 |
| 11 | 4.832 | 3.628 |
| 12 | 5.825 | 5.595 |
| 13 | 5.725 | 5.069 |
| 14 | 5.742 | 4.862 |
| 15 | 5.145 | 4.201 |
The ignition stability index R of the industrial Analysis result calculation coal of table 3W' and after-flame sex index RJ' and thermobalance
The comparison of method calculated result
The ignition of the coal characterized it can be seen from 3 comparing result of table by the Industrial Analysis result of low complex degree is steady
Overall qualitative index RW' and after-flame sex index RJ' consistent with using the resulting result of high complexity thermobalance test analysis method or conclusion
Or it is close.
Fig. 2, Fig. 3 are please referred to, a kind of high complexity of low complex degree Coal Analysis result characterization is provided in the present embodiment
The system for analyzing conclusion, including acquiring unit, for obtaining coal-fired low complex degree analysis result, boiler design parameter and mixed coal side
Case.
Output unit, output is according to low complex degree Analysis result calculation it is generally necessary to the combustion that high analysis of complexity is characterized
Coal characteristic discriminant index, comprising: the kindling of coal and combustion stability discriminant index, the burnout characteristic discriminant index of coal, coal ash knot
Slag property identification index, the contamination of coal and the stifled grey property identification index of corrosion, the discriminant index of coal ash wearing character, coal are ground
Property coefficient and abrasion index.And be compared with design coal, comparison diagram is exported, while carrying out analysis discussion, output burning is adjusted
Whole suggestion.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes in other way, for example, the apparatus embodiments described above are merely exemplary, for example, the division of unit,
Only a kind of logical function partition, practical realize are that there may be another division manner, such as multiple units or components can be with
In conjunction with or be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed mutual
Between coupling or direct-coupling or homosexual Jack first is that through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (9)
1. a kind of method for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result characterized by comprising
(1) raw coal is taken to carry out low complex degree coal analysis；
(2) it is calculated according to the low complex degree analysis result obtained in step (1)；
(3) specific coal property is characterized according to the calculated result of step (2)；The coal property and the high analysis of complexity of use
The resulting result of method or conclusion are consistent or close.
2. the method according to claim 1 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
Be characterized in that, low complex degree Coal Analysis result include: fixed carbon, volatile matter, sulfur, ash, moisture, carbon content, hydrogen content,
Oxygen content, nitrogen content, high calorific power, low heat valve, deformation temperature, softening temperature, hemispherical fusion temperature and flowing temperature.
3. the method according to claim 1 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
It is characterized in that, high complexity Coal Analysis method includes: thermobalance analysis, thermomicroscopy analysis, coal powder ignition index furnace point
Analysis, Drop tube furnace analysis and the analysis of one-dimensional flame assay furnace.
4. the method according to claim 1 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
It is characterized in that, high complexity Coal Analysis conclusion includes: that high analysis of complexity methods and results and its coal property amplified out are sentenced
Other index.
5. the method according to claim 4 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
It is characterized in that, the coal property discriminant index includes: that the kindling of coal and the burnout characteristic of combustion stability discriminant index, coal are sentenced
Other index, coal ash bird nest property discriminant index, the contamination of coal and the differentiation of corrosion stifled grey property identification index, coal ash wearing character
Index, the erosive index of coal and abrasion index.
6. the method according to claim 1 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
It is characterized in that, the high complexity Coal Analysis conclusion can be used for the evaluation and analysis of Combustion Characteristics of Blended Coals.
7. a kind of high complicated with low complex degree Coal Analysis result characterization as described in any one of claim 1-6 claim
System in the method for degree analysis conclusion characterized by comprising
Acquiring unit, for obtaining coal-fired low complex degree analysis result and boiler design parameter；
First computing unit, for calculating high analysis of complexity conclusion according to low complex degree Coal Analysis result；
Second computing unit, for the combustion characteristics of mixed coal to be evaluated and analyzed according to high analysis of complexity conclusion；
Output unit is mixed to match and mixes burning according to high analysis of complexity conclusion and Combustion Characteristics of Blended Coals output boiler operatiopn adjustment and burning
It is recommended that.
8. the system according to claim 7 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
Be characterized in that, the boiler design parameter include: rated capacity, combustion type, burner type, designing coal quality, size of burner hearth,
Thermal load of cross-section, volume heat load, wall with refractory lining, refracto area and pulverized coal preparation system form.
9. the system according to claim 7 for characterizing high analysis of complexity conclusion with low complex degree Coal Analysis result,
It is characterized in that, the output unit is according to the kindling of coal and burnout characteristic discriminant index, the coal of combustion stability discriminant index, coal
Grey Slagging Characteristics discriminant index, the contamination of coal and the stifled grey property identification index of corrosion, the discriminant index of coal ash wearing character, coal
Erosive index and abrasion index and Combustion Characteristics of Blended Coals, in conjunction with boiler design parameter output boiler operatiopn adjustment and burning
It mixes to match and mixes burning suggestion.
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| CN107316104A (en) * | 2017-06-07 | 2017-11-03 | 西安西热锅炉环保工程有限公司 | The coal mixing combustion forecast system of assessment system after a kind of band |
| CN107632107A (en) * | 2017-08-14 | 2018-01-26 | 华中科技大学 | A kind of Burning Behavior For Pulverized Coal quick determination method |
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