CN109164240A - A kind of online ash content of coal analyzer of laser assisted detection - Google Patents
A kind of online ash content of coal analyzer of laser assisted detection Download PDFInfo
- Publication number
- CN109164240A CN109164240A CN201811075492.5A CN201811075492A CN109164240A CN 109164240 A CN109164240 A CN 109164240A CN 201811075492 A CN201811075492 A CN 201811075492A CN 109164240 A CN109164240 A CN 109164240A
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- China
- Prior art keywords
- pressure sensor
- measurement
- upper belt
- control instrument
- camera
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels, explosives
- G01N33/222—Solid fuels, e.g. coal
Abstract
The present invention provides a kind of online ash content of coal analyzers of laser assisted detection, the analyzer includes: the top that laser source and camera are fixed on material, the laser of a wordline shape is emitted by laser source, impinge upon the upper surface of material, form one of bright line, camera-shot analyzes the sectional area of material at measurement and control instrument, measurement and control instrument is transferred to after digital photograph；Pressure sensor is installed in the lower section of upper belt, and measurement and control instrument analyzes the load of upper belt according to the signal of pressure sensor；Measurement and control instrument calculates the ash value of material according to information above by formula in turn.The analyzer does not use the radioactive source with ionising radiation, has no adverse effects to environment, and security risk is not present to operator.
Description
Technical field
The present invention relates to a kind of analyzers that on-line analysis can be carried out for the ash content of coal, and in particulaing relate to one kind can needle
The laser assisted detection analysis instrument of on-line analysis is carried out to the ash content of coal.
Background technique
Ash content of coal is the important parameter for measuring Coal Quality, and the calorific value of coal can be calculated by ash content, because
This ash content of coal online measuring technique is the important technology of coal on-line checking.Existing ash content of coal on-line checking generally uses
Radiometric technique, such as: low-energy gamma ray anti-scattering method, high-energy gamma ray pair effect, natural gamma ray are surveyed
Amount method, dual energy gamma ray transmissive method, neutron activation prompt fission gammas analytic approach, Reflection X-ray method.
But all there is ionising radiation in these methods, in measurement process, can affect to environment, while give operator
Member brings security risk.
Summary of the invention
For defect in the presence of the ash content detection of current existing online coal, the present invention propose it is a kind of it is radiationless,
The online ash content of coal analyzer being safe from harm to working environment.
The specific technical solution of the present invention is:
Laser source (2) and camera (4) pass through bracket A(1 respectively) and bracket B(3) it is fixed on upper belt (10) and material
(11) top.Laser source (2) is emitted the laser of a wordline shape, impinges upon the upper surface of material (11), forms one of bright line, is shot
As head (4) shooting is at being transferred to measurement and control instrument (8) after digital photograph.Measurement and control instrument (8) number according to captured by camera (4) shines
Piece identifies the position of bright line, the cross-sectional shape of available material (11), and then extrapolates the transversal of material (11)
Area S.
Pressure sensor A(5) and pressure sensor B(6) lower section of upper belt (10) is fixed on by fixed frame (7),
Pressure sensor A(5) and pressure sensor B(6) on be fixed with epithelium belt roller (9), epithelium belt roller (9) supports upper belt
(10), can be by pressure sensor A(5) and pressure sensor B(6) no object on the signal that exports in real time and upper belt (10)
The load W of upper belt (10) is learnt in the comparison of output signal when expecting (11).
Specifically have:
Wherein: WtAFor the pressure sensor A(5) pressure suffered when upper belt (10) has material (11), W0AFor pressure biography
Sensor A(5) pressure suffered at material (11) no on upper belt (10), WtBIt is pressure sensor B(6) in upper belt
(10) suffered pressure, W0 when having material (11)BIt is pressure sensor B(6) at material (11) no on upper belt (10)
Suffered pressure.
Wherein WtAAnd WtBIt is that during normal production, upper belt (10) has real-time measurement values when material (11)；W0AAnd W0BIt is
Analyzer allows upper belt (10) to measure to obtain when dallying before normally coming into operation.
When scene during normal production, the material on belt successively passes through bracket bracket A(1), bracket B(3) position.
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6) respectively pass through cable and measurement and control instrument
(8) couple；Measurement and control instrument (8) is respectively laser source (2), camera (4), pressure sensor A(5 by feed cable), pressure pass
Sensor B(6) working power is provided；Camera (4), pressure sensor A(5), pressure sensor B(6) pass through signal cable respectively
Respective output signal is transferred to measurement and control instrument (8).
Measurement and control instrument (8) is calculated according to the cross-sectional area S of material (11), the load W of upper belt (10) according to following formula
Obtain the ash value H of material:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, D3, C are constant term, in the calibration process before instrument comes into operation, are led to
A large amount of data are established in over sampling control, are obtained by conventional nonlinear regression and fitting.
It is required according to the technique at scene and the practical operation situation of instrument, measurement and control instrument (8) can set every minor tick and consolidate
It fixes time or data processing or calculated result output is carried out according to the state feature of material on belt, this is the routine in the field
Processing mode.
The utility model has the advantages that
Analyzer structure of the present invention is simple, is easily installed implementation, does not use penetrating for ionising radiation in the analysis process
Line source has no adverse effects to environment, and security risk is not present.
Detailed description of the invention
Fig. 1: the main view of analyzer of the present invention
Fig. 2: pressure sensor A(5 of the present invention), pressure sensor B(6) scheme of installation
In figure: 1 bracket A, 2 laser sources, 3 bracket B, 4 cameras, 5 pressure sensor A, 6 pressure sensor B, 7 is fixed
Frame, 8 measurement and control instruments, 9 epithelium belt rollers, 10 upper belts, 11 materials, 12 belt holders.
Specific embodiment
The structure for being described with reference to the accompanying drawings laser analyzer constitutes and application method:
It is as shown in Figure 1 and Figure 2:
Belt holder is equipped with bracket A(1 on (12)) and bracket B(3), bracket A(1) on be fixed with laser source (2), bracket B(3) on
It is fixed with camera (4)；
It is equipped on belt holder (12) fixed frame (7), fixed frame is fixed with pressure sensor A(5 on (7)) and pressure sensor B
(6), pressure sensor A(5) and pressure sensor B(6) on be fixed with epithelium belt roller (9)；
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6) respectively pass through cable and measurement and control instrument (8)
Connection；
Measurement and control instrument (8) is respectively laser source (2), camera (4), pressure sensor A(5 by feed cable), pressure sensor B
(6) working power is provided；
Camera (4), pressure sensor A(5), pressure sensor B(6) signal measurement and control instrument (8) are transferred to by signal cable.
Laser source (2) uses a wordline laser device.
The modules such as Switching Power Supply, signal-processing board, translation interface and tablet computer are installed inside measurement and control instrument (8), it can
To camera (4), the pressure sensor A(5 received), pressure sensor B(6) signal identified, handled, by flat
Plate computer shows result after being calculated.
When analyzer is started to work, laser source (2) is emitted the laser of a wordline shape, impinges upon the upper surface of material (11),
One of bright line is formed, by camera (4) shooting at being transferred to measurement and control instrument (8) after digital photograph；
Measurement and control instrument (8) digital photograph according to captured by camera (4), identifies the position of bright line, available material
(11) cross-sectional shape, and then extrapolate the cross-sectional area S of material (11).
Measurement and control instrument (8) is according to pressure sensor A(5), pressure sensor B(6) transmission come signal can extrapolate epithelium
The load W of band (10),
Wherein: WtAFor the pressure sensor A(5) pressure suffered when upper belt (10) has material (11), W0AFor pressure biography
Sensor A(5) pressure suffered at material (11) no on upper belt (10), WtBIt is pressure sensor B(6) in upper belt
(10) suffered pressure, W0 when having material (11)BIt is pressure sensor B(6) at material (11) no on upper belt (10)
Suffered pressure.
Wherein WtAAnd WtBIt is that during normal production, upper belt (10) has real-time measurement values when material (11)；W0AAnd W0BIt is
Analyzer allows upper belt (10) to measure to obtain when dallying before normally coming into operation.
Measurement and control instrument (8) is calculated according to the cross-sectional area S of material (11), the load W of upper belt (10) according to following formula
Obtain the ash value H of material:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, D3, C are constant term, in the calibration process before instrument comes into operation, are led to
A large amount of data are established in over sampling control, are obtained by conventional nonlinear regression and fitting.
Application example:
Laser source using Changchun ray machine technical grade a wordline laser device, be emitted as green light；
Camera uses technical grade high speed camera, and frame per second 120FPS matches Varifocal zoom lens；
Measurement and control instrument is Dandong Dongfang Measurement & Control Technology Co., Ltd.'s self-control.
Claims (5)
1. a kind of online ash content of coal analyzer of laser assisted detection, it is characterised in that:
Belt holder is equipped with bracket A(1 on (12)) and bracket B(3), bracket A(1) on be fixed with laser source (2), bracket B(3) on
It is fixed with camera (4)；It is equipped on belt holder (12) fixed frame (7), fixed frame is fixed with pressure sensor A(5 on (7)) and
Pressure sensor B(6), pressure sensor A(5) and pressure sensor B(6) on be fixed with epithelium belt roller (9)；
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6) respectively pass through cable and measurement and control instrument (8)
Connection；Measurement and control instrument (8) is respectively laser source (2), camera (4), pressure sensor A(5 by feed cable), pressure sensor
B(6) working power is provided；Camera (4), pressure sensor A(5), pressure sensor B(6) signal pass through signal cable pass
It is defeated by measurement and control instrument (8).
2. based on a kind of online ash content of coal analyzer of laser assisted detection described in claim 1, it is characterised in that: described
Laser source (2) use a wordline laser device.
3. based on a kind of online ash content of coal analyzer of laser assisted detection described in claim 1, it is characterised in that:
Measurement and control instrument (8) is calculated according to the cross-sectional area S of material (11), the load W of upper belt (10) according to following formula
The ash value H of material:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, D3, C are constant term, in the calibration process before instrument comes into operation, are led to
A large amount of data are established in over sampling control, are obtained by conventional nonlinear regression and fitting.
4. based on a kind of online ash content of coal analyzer of laser assisted detection as claimed in claim 3, it is characterised in that:
The cross-sectional area S of the material (11) is when analyzer is started to work, and laser source (2) is emitted swashing for a wordline shape
Light, impinges upon the upper surface of material (11), forms one of bright line, by camera (4) shooting at being transferred to measurement and control instrument after digital photograph
(8)；Measurement and control instrument (8) digital photograph according to captured by camera (4), identifies the position of bright line, obtains material (11)
Cross-sectional shape, extrapolate the cross-sectional area S of material (11).
5. based on a kind of online ash content of coal analyzer of laser assisted detection as claimed in claim 3, it is characterised in that:
The load W of the upper belt (10) is measurement and control instrument (8) according to pressure sensor A(5), pressure sensor B(6) transmission
The signal come extrapolates the load W of upper belt (10):
Wherein: WtAFor the pressure sensor A(5) pressure suffered when upper belt (10) has material (11), W0AFor pressure sensing
Device A(5) pressure suffered at material (11) no on upper belt (10), WtBIt is pressure sensor B(6) in upper belt
(10) suffered pressure, W0 when having material (11)BIt is pressure sensor B(6) at material (11) no on upper belt (10)
Suffered pressure；
Wherein WtAAnd WtBIt is that during normal production, upper belt (10) has real-time measurement values when material (11)；W0AAnd W0BIt is analysis
Instrument allows upper belt (10) to measure to obtain when dallying before normally coming into operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075492.5A CN109164240A (en) | 2018-09-14 | 2018-09-14 | A kind of online ash content of coal analyzer of laser assisted detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075492.5A CN109164240A (en) | 2018-09-14 | 2018-09-14 | A kind of online ash content of coal analyzer of laser assisted detection |
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| Publication Number | Publication Date |
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| CN109164240A true CN109164240A (en) | 2019-01-08 |
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ID=64879136
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811075492.5A Pending CN109164240A (en) | 2018-09-14 | 2018-09-14 | A kind of online ash content of coal analyzer of laser assisted detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697816A (en) * | 2020-04-13 | 2021-04-23 | 丹东东方测控技术股份有限公司 | Online ash content appearance of many detectors of supplementary detection of laser |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063033Y (en) * | 2007-06-19 | 2008-05-21 | 尤荣 | Continuous on-line detecting device for measuring thermal value of coaly |
| CN101349661A (en) * | 2008-09-17 | 2009-01-21 | 丹东东方测控技术有限公司 | Method for on-line detecting coal ashes on belt |
| CN102313722A (en) * | 2011-09-05 | 2012-01-11 | 华南理工大学 | Proximate analyzing method for coal quality base on multivariate linear regression |
| CN102749433A (en) * | 2012-07-17 | 2012-10-24 | 中国神华能源股份有限公司 | Coal ash content detecting method |
| CN104198503A (en) * | 2014-08-19 | 2014-12-10 | 开封市测控技术有限公司 | Online coal ash content measurement system and method based on natural gamma rays |
| CN204613057U (en) * | 2015-04-29 | 2015-09-02 | 北京微点至信科技有限公司 | Ash content of coal on-line measurement system |
| CN205246369U (en) * | 2015-11-05 | 2016-05-18 | 山东信华电力科技有限公司 | Online coal quality detection and analysis system of laser |
| CN106680019A (en) * | 2015-11-05 | 2017-05-17 | 山东信华电力科技有限公司 | On-line coal quality laser detection and analysis system |
| CN209356484U (en) * | 2018-09-14 | 2019-09-06 | 丹东东方测控技术股份有限公司 | A kind of online ash content of coal analyzer of laser assisted detection |
-
2018
- 2018-09-14 CN CN201811075492.5A patent/CN109164240A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063033Y (en) * | 2007-06-19 | 2008-05-21 | 尤荣 | Continuous on-line detecting device for measuring thermal value of coaly |
| CN101349661A (en) * | 2008-09-17 | 2009-01-21 | 丹东东方测控技术有限公司 | Method for on-line detecting coal ashes on belt |
| CN102313722A (en) * | 2011-09-05 | 2012-01-11 | 华南理工大学 | Proximate analyzing method for coal quality base on multivariate linear regression |
| CN102749433A (en) * | 2012-07-17 | 2012-10-24 | 中国神华能源股份有限公司 | Coal ash content detecting method |
| CN104198503A (en) * | 2014-08-19 | 2014-12-10 | 开封市测控技术有限公司 | Online coal ash content measurement system and method based on natural gamma rays |
| CN204613057U (en) * | 2015-04-29 | 2015-09-02 | 北京微点至信科技有限公司 | Ash content of coal on-line measurement system |
| CN205246369U (en) * | 2015-11-05 | 2016-05-18 | 山东信华电力科技有限公司 | Online coal quality detection and analysis system of laser |
| CN106680019A (en) * | 2015-11-05 | 2017-05-17 | 山东信华电力科技有限公司 | On-line coal quality laser detection and analysis system |
| CN209356484U (en) * | 2018-09-14 | 2019-09-06 | 丹东东方测控技术股份有限公司 | A kind of online ash content of coal analyzer of laser assisted detection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697816A (en) * | 2020-04-13 | 2021-04-23 | 丹东东方测控技术股份有限公司 | Online ash content appearance of many detectors of supplementary detection of laser |
| CN112697816B (en) * | 2020-04-13 | 2023-08-11 | 丹东东方测控技术股份有限公司 | Laser-assisted detection multi-detector online ash analyzer |
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