CN109164232A - The ash content of coal analysis system compensated can be changed to moisture - Google Patents
The ash content of coal analysis system compensated can be changed to moisture Download PDFInfo
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- CN109164232A CN109164232A CN201811074311.7A CN201811074311A CN109164232A CN 109164232 A CN109164232 A CN 109164232A CN 201811074311 A CN201811074311 A CN 201811074311A CN 109164232 A CN109164232 A CN 109164232A
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- pressure sensor
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- 238000004458 analytical method Methods 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000005259 measurement Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims description 15
- 210000000981 epithelium Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 3
- 206010067482 No adverse event Diseases 0.000 abstract description 2
- 230000002285 radioactive effect Effects 0.000 abstract 1
- 230000005251 gamma ray Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 241001637516 Polygonia c-album Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The ash content of coal analysis system compensated can be changed to moisture the present invention provides a kind of, the analysis system 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；Microwave moisture instrument detects the moisture of material；Measurement and control instrument calculates the ash value of material according to information above by formula in turn.The analysis system 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 analysis systems that can be analyzed for the ash content of coal on conveying belt, in particular relate to one
The laser assisted testing and analysis system that kind can be analyzed for the ash content of coal on conveying belt.
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,
It is safe from harm to working environment, and the ash content of coal analysis system compensated can be changed to moisture.
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.
Microwave detector (32) is fixed on the top of upper belt (10) and material (11), microwave hair by C-shaped frame (31)
Generating apparatus (33) is fixed on the centre of upper belt (10) and lower belt, microwave detector (32) and microwave by C-shaped frame (31)
Generating device (33), which constitutes conventional microwave moisture instrument, can detecte out the moisture value P of material (11).
When scene during normal production, the material on belt successively passes through C-shaped frame (31), bracket A(1), bracket B(3) position
It sets, and the position of C-shaped frame (31) is closely located to bright line of being broken forth on material (11) as far as possible.
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32), microwave
Generating device (33) is coupled by cable with measurement and control instrument (8) respectively；Measurement and control instrument (8) by feed cable be respectively laser source (2),
Camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32), microwave generating apparatus (33) provide work
Make power supply；Camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32) pass through signal cable respectively
Respective output signal is transferred to measurement and control instrument (8).
Measurement and control instrument (8) according to the cross-sectional area S of material (11), the load W of upper belt (10), material (11) moisture value P,
The ash value H of material is calculated according to following formula:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, C are that constant term passes through in the calibration process before instrument comes into operation
A large amount of data are established in 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
Analysis system structure of the present invention is simple, is easily installed implementation, does not use ionising radiation in the analysis process
Radiographic source has no adverse effects to environment, and security risk is not present.And in the analysis process to the material water for influencing analysis precision
The variation divided is compensated, so that analysis precision is higher.
Detailed description of the invention
Fig. 1: the main view of analysis system of the present invention
Fig. 2: the side view of analysis system of the present invention
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, 31 C-shaped frames, 32 microwave detectors, 33
Microwave generating apparatus.
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)；
It is equipped on belt holder (12) C-shaped frame (31), microwave detector (32), microwave generating apparatus is fixed in C-shaped frame (31)
(33), wherein microwave detector (32) is fixed on the top of upper belt (10) and material (11), microwave generating apparatus (33) quilt
It is fixed on the centre of upper belt (10) and lower belt；
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32), microwave occur
Device (33) is coupled by cable with measurement and control instrument (8) respectively；
Measurement and control instrument (8) is respectively laser source (2), camera (4), pressure sensor A(5 by feed cable), pressure sensor B
(6), microwave detector (32), microwave generating apparatus (33) provide working power；
Camera (4), pressure sensor A(5), pressure sensor B(6), the signal of microwave detector (32) pass through signal cable
It is transferred to measurement and control instrument (8).
Laser source (2) uses a wordline laser device.
Microwave detector (32) and microwave generating apparatus (33), which constitute conventional microwave moisture instrument, can detecte out material
(11) moisture value P.
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), the signal of microwave detector (32) carries out
Identification, processing, show result after tablet computer is calculated.
When analysis system is started to work, laser source (2) is emitted the laser of a wordline shape, impinges upon the upper table of material (11)
Face forms one of bright line, 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.
Microwave detector (32) and microwave generating apparatus (33), which constitute conventional microwave moisture instrument, can detecte out material
(11) moisture value P is transferred to measurement and control instrument (8) by signal cable.
Measurement and control instrument (8) according to the cross-sectional area S of material (11), the load W of upper belt (10), material (11) moisture value P,
The ash value H of material is calculated according to following formula:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, C are that constant term passes through in the calibration process before instrument comes into operation
A large amount of data are established in 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；
Microwave moisture instrument uses the homemade microwave moisture instrument of Dandong Dongfang Measurement & Control Technology Co., Ltd.；
Measurement and control instrument is Dandong Dongfang Measurement & Control Technology Co., Ltd.'s self-control.
Claims (6)
1. the ash content of coal analysis system compensated can be changed to moisture, 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)；On belt holder (12)
C-shaped frame (31), bracket C(31 are installed) on be fixed with microwave detector (32) and microwave generating apparatus (33)；Microwave detector
(32) top of upper belt (10) and material (11) is fixed on by C-shaped frame (31), microwave generating apparatus (33) passes through C-shaped frame
(31) it is fixed on the centre of upper belt (10) and lower belt；
When scene during normal production, the material on belt successively passes through C-shaped frame (31), bracket A(1), bracket B(3) position；
Laser source (2), camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32), microwave occur
Device (33) is coupled by cable with measurement and control instrument (8) respectively；Measurement and control instrument (8) is respectively laser source (2), camera shooting by feed cable
Head (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32), microwave generating apparatus (33) provide work electricity
Source；Camera (4), pressure sensor A(5), pressure sensor B(6), microwave detector (32) respectively by signal cable will be each
From output signal be transferred to measurement and control instrument (8).
2. based on described in claim 1 the ash content of coal analysis system compensated can be changed to moisture, it is characterised in that: institute
The laser source (2) stated uses a wordline laser device.
3. based on described in claim 1 the ash content of coal analysis system compensated can be changed to moisture, it is characterised in that: institute
The microwave detector (32) and microwave generating apparatus (33) stated constitute conventional microwave moisture instrument.
4. based on described in claim 1 the ash content of coal analysis system compensated can be changed to moisture, it is characterised in that:
Measurement and control instrument (8) according to the cross-sectional area S of material (11), the load W of upper belt (10), material (11) moisture value P, according to
The ash value H of material is calculated in following formula:
In formula: E1, E2, E3, E4, E5, E6, D1, D2, C are that constant term passes through in the calibration process before instrument comes into operation
A large amount of data are established in sampling control, are obtained by conventional nonlinear regression and fitting.
5. based on as claimed in claim 4 the ash content of coal analysis system compensated can be changed to moisture, 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).
6. based on as claimed in claim 4 the ash content of coal analysis system compensated can be changed to moisture, 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 |
|---|---|---|---|
| CN201811074311.7A CN109164232A (en) | 2018-09-14 | 2018-09-14 | The ash content of coal analysis system compensated can be changed to moisture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074311.7A CN109164232A (en) | 2018-09-14 | 2018-09-14 | The ash content of coal analysis system compensated can be changed to moisture |
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| Publication Number | Publication Date |
|---|---|
| CN109164232A true CN109164232A (en) | 2019-01-08 |
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ID=64879495
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074311.7A Pending CN109164232A (en) | 2018-09-14 | 2018-09-14 | The ash content of coal analysis system compensated can be changed to moisture |
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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 |
| CN209356482U (en) * | 2018-09-14 | 2019-09-06 | 丹东东方测控技术股份有限公司 | The ash content of coal analysis system compensated can be changed to moisture |
-
2018
- 2018-09-14 CN CN201811074311.7A patent/CN109164232A/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 |
| CN209356482U (en) * | 2018-09-14 | 2019-09-06 | 丹东东方测控技术股份有限公司 | The ash content of coal analysis system compensated can be changed to moisture |
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Application publication date: 20190108 |