CN108008069A - A kind of quality of fly ash compositive appraisement system and assessment method - Google Patents
A kind of quality of fly ash compositive appraisement system and assessment method Download PDFInfo
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- G—PHYSICS
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- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
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Abstract
The present invention relates to a kind of quality of fly ash compositive appraisement system and assessment method, belong to utilization of waste as resource field.Flyash is first detected its physicochemical property during comprehensive utilization, then testing result control national standard relevant criterion is compared one by one, obtains a result.Since the flyash composition of different batches is changeable, it can not reflect the quality of flyash comprehensively only in accordance with above-mentioned parameter.Quality of fly ash compositive appraisement system disclosed by the invention includes intelligent terminal, and intelligent terminal is connected with flyash physicochemical property detecting instrument, and intelligent terminal includes safety determination module, physicochemical property test and appraisal module and the pre- judgment module of comprehensive utilization；Intelligent terminal is automatically uploaded to by data are detected by flyash physicochemical property detecting instrument, intelligent terminal modules call correlation function to be calculated the detection data for collecting storage, judged again successively, so as to rapidly and accurately be tested and assessed to the quality of flyash comprehensively, the suggestion of total utilization of PCA approach or upgrading suggestion are provided.
Description
Technical field
The present invention relates to a kind of quality of fly ash compositive appraisement system and assessment method, belongs to utilization of waste as resource neck
Domain.
Background technology
Flyash is the primary solids waste of coal-fired station's discharge, with China's economy and social development process
Accelerate, will persistently rise for the demand of the energy, in the form of coal fired power generation can also long-term existence, therefore the yield of flyash
It can continue to increase.The main composition of flyash is expressed as in the form of an oxide：SiO2, Al2O3, Fe2O3, CaO, TiO2,
MgO, K2O, Na2O, SO3And MnO2Deng in addition with the poisonous and harmful trace element such as some Pb, Hg, Cr, Cd, As.Greatly
The flyash of amount accumulation can cause significant damage and influence to environment, its land occupation, waste of resource, pollution air, contaminant water
Body, contaminated soil, can also cause radioactive pollution etc. so as to influence human health.Therefore, increase and flyash is dealt carefully with
Research and development seem and become more and more important.
At present, flyash is mainly used for building material industry manufacture fly ash silicate product, including flyash brick, pressurization are built
Block, pulverized fuel ash cement, mixing concrete etc..During comprehensive utilization, Main Basiss " JC/T409-2001 silicates building system
Product flyash " and " GB/T1596-2017 be used for cement and concrete in flyash " to the fineness of flyash, loss on ignition,
Need water ratio, water content, sulfur trioxide, free calcium oxide, stability, strength activity index to be detected, wherein, flyash it is thin
Degree is tailed over 45 microns of square hole screens and represented, then by testing result compare national standard total utilization of PCA Main Basiss relevant criterion by
Bar compares, and obtains a result.Since flyash is influenced by feed coal, different batches composition is changeable.In practical applications, only in accordance with upper
The quality of flyash can not be reflected comprehensively by stating parameter, be not only easy to cause flyash downstream user and gone wrong using process,
And the comprehensive utilization of some flyash is limited, cause damages.
The Chinese patent of Application No. 201310185620.2 discloses the comprehensive detection of casting tin-lead solder product quality
Evaluation system and its method, the system design is complex and unsuitable quality of fly ash comprehensive test.It is therefore it provides a kind of fast
Fast, comprehensive, scientifical quality of fly ash evaluation system and assessment method are very necessary for improving total utilization of PCA.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency existing in the prior art, and provide a kind of rational fine coal of design
Grey quality compositive appraisement system and assessment method, the quality of fly ash compositive appraisement system is by the way that intelligent terminal and flyash are managed
Change the connection of nature examination instrument, flyash physicochemical property detecting instrument will detect in data and arrive intelligent terminal, and intelligent terminal is each
Module calls correlation function to calculate, judge the detection data for collecting storage again successively, thus to the quality of flyash into
Row test and appraisal comprehensively, provide the suggestion of total utilization of PCA approach or upgrading suggestion.
Technical solution is used by the present invention solves the above problems：A kind of quality of fly ash compositive appraisement system, including
Intelligent terminal, the intelligent terminal are connected with flyash physicochemical property detecting instrument, it is characterised in that the intelligent terminal includes
Safety determination module, physicochemical property test and appraisal module and the pre- judgment module of comprehensive utilization；The safety determination module is to fine coal
The whether exceeded security tested and assessed and tentatively judge the flyash of radionuclide amount and Leaching of Heavy Metals amount of ash
Whether qualified, the physicochemical property tests and assesses module to the chemical composition of the flyash of security qualification, mineral composition, microscopic appearance
And building materials index of correlation is tested and assessed, the pre- judgment module of comprehensive utilization calls the evaluating result of physicochemical property test and appraisal module
Matched with flyash for the national standard index of building materials and its utilization ways is judged.The quality of fly ash integrates
Evaluation system design is reasonable, can comprehensively be tested and assessed to the quality of flyash, provide the suggestion of total utilization of PCA approach or carry
Matter suggestion, saves manpower, and work efficiency is high.
Furthermore, the flyash physicochemical property detecting instrument include Xray fluorescence spectrometer, X-ray diffractometer,
Gamma spectrometer, scanning electron microscope, strength tester, negative pressure screen analyzer, free calcium oxide analyzer, Intelligent oven, assay balance
And inductively coupled plasma spectrometer.Flyash physicochemical property detecting instrument is not limited to above-mentioned instrument, apart from the above, also wraps
Include other pertinent instruments.
A kind of quality of fly ash Comprehensive measurement method, it is characterised in that surveyed using quality of fly ash as described above synthesis
System is commented, flyash is detected by the flyash physicochemical property detecting instrument and uploads test data to intelligently end
End, the safety determination module read radionuclide amount test data and according to " GB6566-2001 construction materials radiate
Property radionuclides limitation " calculates the External Exposure Index and Outreach services of the flyash, and by the External Exposure Index and outer photograph
Penetrate index to be contrasted with building radioactive material standard value, give bid red warning when exceeded；Meanwhile intelligent terminal reads weight
Metal leaching test data, the safety determination module is automatically by the Leaching of Heavy Metals amount test data and Leaching of Heavy Metals
The national standard limit of amount is contrasted, and gives bid red warning when exceeded；According to the survey of radionuclide amount and Leaching of Heavy Metals amount
Comment as a result, tentatively judge whether the security of the flyash qualified, " flyash needs upgrading " prompted when unqualified, it is qualified then
Start physicochemical property test and appraisal module；Physicochemical property test and appraisal module uploads to intelligent terminal by flyash physicochemical property detecting instrument
The chemical composition of flyash, mineral composition, the test data of microscopic appearance and building materials index of correlation integrated again respectively
Calculate, each result is mutually authenticated；After physicochemical property test and appraisal module terminates test and appraisal, comprehensively utilize pre- judgment module and call physics and chemistry
The evaluating result of property test and appraisal module is simultaneously matched it with national standard index of the flyash for building materials, to flyash
Utilization ways judge, provide suggestion.The quality of fly ash Comprehensive measurement method can be quickly and accurately to coal-burning power plant's fine coal
Grey quality is tested and assessed, so that science prejudges its comprehensive Utilization Ways, what raising related personnel utilized Ash Utilization sentences
Disconnected efficiency and accuracy, help to improve total utilization of PCA rate.
Furthermore, the suggestion that the pre- judgment module of comprehensive utilization provides is including " flyash answers innoxious rear place
Reason ", " flyash can be used for concrete ", " flyash can be used for cement " or " flyash can be used for fine coal
Grey brick ".It can also include other related advisories.
Furthermore, the chemical composition of flyash is measured using Xray fluorescence spectrometer, including to flyash
Middle SiO2、Al2O3、Fe2O3、CaO、 MgO、K2O、Na2O、P2O5、TiO2、SO3, CuO, ZnO, MnO and NiO constituent content
It is measured.In addition, the measure of other components content can also be included.
Furthermore, it is measured using mineral composition of the X-ray diffractometer to flyash, including to brilliant in flyash
Body mineral composition and content are measured to be measured with amorphous mineral content.
Furthermore, the microscopic appearance of flyash is measured using scanning electron microscope, including the surface to flyash
Photo is observed and shot to pattern.
Furthermore, the building materials index of correlation include fineness, loss on ignition, water demand ratio, water content, sulfur trioxide,
Free calcium oxide, stability and strength activity index.
Furthermore, the flyash includes " JC/T409-2001 silicon for the foundation of the national standard index of building materials
Hydrochlorate building product flyash " and " GB/T1596-2017 is used for the flyash in cement and concrete ".
Compared with prior art, the present invention haing the following advantages and effect：Quality of fly ash compositive appraisement system is based on powder
The physicochemical property detection data of coal ash, judge mould in advance by safety determination module, physicochemical property test and appraisal module and comprehensive utilization
Call function tests and assesses the quality of flyash to block successively, so that the comprehensive Utilization Ways of science anticipation flyash, improve
The judging efficiency and accuracy that related personnel utilizes Ash Utilization, save manpower, work efficiency is high, helps to improve
The comprehensive utilization ratio of flyash.
Brief description of the drawings
Fig. 1 is the quality of fly ash compositive appraisement system schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following embodiments are to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Referring to Fig. 1, a kind of quality of fly ash compositive appraisement system, including intelligent terminal, intelligent terminal and flyash physics and chemistry
Nature examination instrument connects, and intelligent terminal includes safety determination module, physicochemical property test and appraisal module and comprehensive utilization and judges in advance
Module, flyash physicochemical property detecting instrument include Xray fluorescence spectrometer, X-ray diffractometer, gamma spectrometer, scanning electricity
Mirror, strength tester, negative pressure screen analyzer, free calcium oxide analyzer, Intelligent oven, assay balance and inductively coupled plasma
Spectrometer etc., flyash physicochemical property detecting instrument are not limited to above-mentioned instrument.
Whether safety determination module is exceeded to the radionuclide amount and Leaching of Heavy Metals amount of flyash to be surveyed
Comment and tentatively judge whether the security of the flyash is qualified, change of the physicochemical property test and appraisal module to the flyash of security qualification
Learn composition, mineral composition, microscopic appearance and building materials index of correlation to test and assess, comprehensively utilize pre- judgment module and call physics and chemistry
The evaluating result of matter test and appraisal module is matched for the national standard index of building materials with flyash and its utilization ways is made
Judge.The quality of fly ash compositive appraisement system can test and assess the quality of flyash comprehensively, provide total utilization of PCA
Approach suggestion or upgrading suggestion, save manpower, and work efficiency is high.
A kind of quality of fly ash Comprehensive measurement method, using quality of fly ash compositive appraisement system as above, passes through fine coal
Grey physicochemical property detecting instrument is detected flyash and radionuclide amount test data is automatically uploaded to intelligent end
End, safety determination module calculate the interior irradiation of flyash according to " GB6566-2001 radioactive materials radionuclides limitation "
Index and Outreach services, and External Exposure Index and Outreach services are contrasted with building radioactive material standard value,
Give bid red warning when exceeded；Meanwhile Leaching of Heavy Metals measures examination according to " HJ/T299-200 solid waste Leaching leaches
Method sulfonitric method " carries out, and Leaching of Heavy Metals amount data upload to intelligent terminal after test, and safety determination module is read
Take Leaching of Heavy Metals amount test data and contrasted the national standard limit of itself and Leaching of Heavy Metals amount, give bid red police when exceeded
Show；According to radionuclide amount and the evaluating result of Leaching of Heavy Metals amount, tentatively judge whether the security of the flyash closes
Lattice, prompt the flyash to need upgrading, qualified then startup physicochemical property test and appraisal module when unqualified；
Physicochemical property test and appraisal module uploads to the chemical group of the flyash of intelligent terminal by flyash physicochemical property detecting instrument
Test data into, mineral composition, microscopic appearance and building materials index of correlation is integrated calculated again respectively, and each result is mutual
Verification.
The chemical composition of flyash is measured using Xray fluorescence spectrometer, including to SiO in flyash2、
Al2O3、Fe2O3、CaO、 MgO、K2O、Na2O、P2O5、TiO2、SO3, the constituent content such as CuO, ZnO, MnO and NiO surveyed
It is fixed.Ash discharge melting temperature, slagging index and structure index can be obtained by the determination data of flyash chemical composition, and then proved
Or backstepping boiler operatiopn slagging fouling condition.
It is measured using mineral composition of the X-ray diffractometer to flyash, including crystalline mineral in flyash is formed
And content is measured and is measured with amorphous mineral content.By the mineral composition of flyash measure situation can draw Ca,
The existence form and content of Fe elements, so as to estimate free calcium oxide.
The microscopic appearance of flyash is measured using scanning electron microscope, including the surface topography of flyash is observed
And shooting photo.Microsphere particle distribution consistency degree and surface porosity particle deposits in microscopic appearance by observing flyash
It can aid in estimating the mobility for using it for concrete in situation etc..
Building materials index of correlation includes fineness, loss on ignition, water demand ratio, water content, sulfur trioxide, free calcium oxide, stable
Property and strength activity index etc., wherein, fineness is tailed over 45 microns of square hole screens and represented, building materials index of correlation is pre- for comprehensive utilization
Judgment module makes the foundation accordingly judged.
After physicochemical property test and appraisal module terminates test and appraisal, comprehensively utilize pre- judgment module and call physicochemical property test and appraisal module
Evaluating result is simultaneously matched it with national standard index of the flyash for building materials, and flyash is used for the national standard of building materials
The foundation of index include " JC/T409-2001 silicate building products flyash " and " GB/T1596-2017 be used for cement with
Flyash in concrete ", comprehensively utilizes pre- judgment module and the utilization ways of flyash is judged, provide the " flyash
Answer innoxious post processing ", " flyash can be used for concrete ", " flyash can be used for cement " or " flyash
Can be used for flyash brick " etc. suggest.
In pre- judgment module is comprehensively utilized, fineness, loss on ignition, the testing result of silica and sulfur trioxide are used for
Judge whether flyash is suitable for silicate product, silicate product includes air entrained concrete, flyash bores, lays bricks and fine coal
Steam-cured haydite of ash etc.；Loss on ignition, water content, sulfur trioxide, free calcium oxide, the detection knot of stability and strength activity index
Fruit is used to judge whether flyash is suitable for cement active mixed material；Fineness, water demand ratio, loss on ignition, water content, three oxidations
Sulphur, free calcium oxide and stability are used to judge whether flyash is suitable for mixing concrete mortar.In addition, comprehensive profit
With pre- judgment module can also judge flyash other using approach.
The quality of fly ash Comprehensive measurement method quickly and accurately can test and assess coal-burning power plant's quality of fly ash, from
And science prejudges its comprehensive Utilization Ways, judging efficiency and accuracy that related personnel utilizes Ash Utilization are improved, is had
Help improve total utilization of PCA rate.
Although the present invention is disclosed as above with embodiment, it is not limited to protection scope of the present invention, any to be familiar with
The technical staff of this technology, changes and retouches what is made without departing from the spirit and scope of the invention, should all belong to this hair
Bright protection domain.
Claims (9)
1. a kind of quality of fly ash compositive appraisement system, including intelligent terminal, the intelligent terminal is examined with flyash physicochemical property
Survey instrument connection, it is characterised in that the intelligent terminal includes safety determination module, physicochemical property test and appraisal module and comprehensive profit
With pre- judgment module；Whether the safety determination module surpasses the radionuclide amount and Leaching of Heavy Metals amount of flyash
Mark is tested and assessed and tentatively judges whether the security of the flyash is qualified, and the physicochemical property test and appraisal module is qualified to security
Chemical composition, mineral composition, microscopic appearance and the building materials index of correlation of flyash test and assess, the comprehensive utilization anticipation
The national standard index that disconnected module calls the evaluating result of physicochemical property test and appraisal module to be used for building materials with flyash is matched simultaneously
Its utilization ways is judged.
2. quality of fly ash compositive appraisement system according to claim 1, it is characterised in that the flyash physicochemical property
Detecting instrument includes Xray fluorescence spectrometer, X-ray diffractometer, gamma spectrometer, scanning electron microscope, strength tester, negative pressure sieve
Analyzer, free calcium oxide analyzer, Intelligent oven, assay balance and inductively coupled plasma spectrometer.
3. a kind of quality of fly ash Comprehensive measurement method, it is characterised in that using such as claim 1-2 any one of them fine coal
Grey quality compositive appraisement system, is detected flyash by the flyash physicochemical property detecting instrument and uploads test number
Read radionuclide amount test data according to intelligent terminal, the safety determination module and according to " GB6566-2001 is built
Build material radionuclide limitation " calculate the External Exposure Index and Outreach services of the flyash, and by the interior irradiation
Index and Outreach services are contrasted with building radioactive material standard value, give bid red warning when exceeded；Meanwhile intelligence
Terminal read Leaching of Heavy Metals test data, the safety determination module automatically by the Leaching of Heavy Metals amount test data with
The national standard limit of Leaching of Heavy Metals amount is contrasted, and gives bid red warning when exceeded；According to radionuclide amount and heavy metal
The evaluating result of leaching content, tentatively judges whether the security of the flyash is qualified, and " flyash needs to carry for prompting when unqualified
Matter ", qualified then startup physicochemical property test and appraisal module；Physicochemical property test and appraisal module passes through flyash physicochemical property detecting instrument and uploads
Test data to the chemical composition of the flyash of intelligent terminal, mineral composition, microscopic appearance and building materials index of correlation carries out
Integrate and calculate again respectively, each result is mutually authenticated；After physicochemical property test and appraisal module terminates test and appraisal, comprehensive utilization judges mould in advance
Block calls the evaluating result of physicochemical property test and appraisal module and is matched it with national standard index of the flyash for building materials,
The utilization ways of flyash are judged, provide suggestion.
4. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that the comprehensive utilization is pre- to be judged
The suggestion that module provides includes " flyash answers innoxious post processing ", " flyash can be used for concrete ", " flyash
Can be used for cement " or " flyash can be used for flyash brick ".
5. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that utilize X-ray fluorescence spectra
Instrument is measured the chemical composition of flyash, including to SiO in flyash2、Al2O3、Fe2O3、CaO、 MgO、K2O、Na2O、
P2O5、TiO2、SO3, CuO, ZnO, MnO and NiO constituent content be measured.
6. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that utilize X-ray diffractometer pair
The mineral composition of flyash is measured, including in flyash crystalline mineral composition and content is measured and amorphous mineral
Content is measured.
7. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that using scanning electron microscope to fine coal
The microscopic appearance of ash is analyzed, including the surface topography of flyash is observed and shot photo.
8. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that the building materials index of correlation bag
Include fineness, loss on ignition, water demand ratio, water content, sulfur trioxide, free calcium oxide, stability and strength activity index.
9. quality of fly ash Comprehensive measurement method according to claim 3, it is characterised in that the flyash is used for building materials
The foundation of national standard index include " JC/T409-2001 silicate building products flyash " and " GB/T1596-2017
For the flyash in cement and concrete ".
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| CN109254312B (en) * | 2018-10-31 | 2020-12-22 | 中南大学 | Rapid detection method for measuring lead pollution based on gamma energy spectrum |
| CN110618440A (en) * | 2019-04-19 | 2019-12-27 | 四川省劲腾环保建材有限公司 | Method for checking radioactivity of medium particles in prepared expanded slag ceramsite |
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