CN109212155A - A kind of coal calorimetry system of laser assisted detection - Google Patents
A kind of coal calorimetry system of laser assisted detection Download PDFInfo
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- CN109212155A CN109212155A CN201811075399.4A CN201811075399A CN109212155A CN 109212155 A CN109212155 A CN 109212155A CN 201811075399 A CN201811075399 A CN 201811075399A CN 109212155 A CN109212155 A CN 109212155A
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- pressure sensor
- measurement
- upper belt
- belt
- control instrument
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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 coal calorimetry systems of laser assisted detection, 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；The moisture of material is detected by microwave method；Measurement and control instrument calculates the calorific 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 analysis systems that can be analyzed for the calorific value of coal, and in particulaing relate to one kind can be directed to
The laser assisted testing and analysis system that the calorific value of coal is analyzed.
Background technique
Coal calorific value is the important parameter for measuring Coal Quality, especially can directly analyze the as-fired coal in conveyor belt
Calorific value, can to adjustment kettleman important directive function is played as state.But there is presently no can directly analyze online
The instrument of coal calorific value is all that this two indexs calculate by the ash content and moisture of on-line analysis coal.
And existing ash content of coal on-line checking generally uses radiometric technique, and such as: low-energy gamma ray backscattering
Method, high-energy gamma ray pair effect, natural gamma ray mensuration, dual energy gamma ray transmissive method, neutron activation wink
Send out gamma 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 calorimetry of current existing online coal, the present invention propose it is a kind of it is radiationless,
The coal calorimetry system 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.
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 bracket A(1), bracket B(3), the position of C-shaped frame (31)
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 calorific value Q of coal is calculated according to following formula:
In formula: E1, E2, E3, E4, E5, E6, E7, D1, D2, D3, C are constant term, the calibration process before instrument comes into operation
In, a large amount of data are established by 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, 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) constitute conventional
Microwave moisture instrument can detecte out the moisture value P of material (11).
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 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.
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 calorific value Q of material is calculated according to following formula:
In formula: E1, E2, E3, E4, E5, E6, E7, D1, D2, D3, C are constant term, the calibration process before instrument comes into operation
In, a large amount of data are established by 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. a kind of coal calorimetry system 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)；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 bracket A(1), bracket B(3), the position of C-shaped frame (31)；
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), the signal of microwave detector (32) passes through signal cable and passes
It is defeated by measurement and control instrument (8).
2. based on a kind of coal calorimetry system of laser assisted detection described in claim 1, it is characterised in that: described
Laser source (2) uses a wordline laser device.
3. based on a kind of coal calorimetry system of laser assisted detection described in claim 1, it is characterised in that: described
Microwave detector (32) and microwave generating apparatus (33) constitute conventional microwave moisture instrument.
4. based on a kind of coal calorimetry system of laser assisted detection described in claim 1, 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 calorific value Q of coal is calculated in following formula:
In formula: E1, E2, E3, E4, E5, E6, E7, D1, D2, D3, C are constant term, the calibration process before instrument comes into operation
In, a large amount of data are established by sampling control, are obtained by conventional nonlinear regression and fitting.
5. based on a kind of coal calorimetry system of laser assisted detection as claimed in claim 4, 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 a kind of coal calorimetry system of laser assisted detection as claimed in claim 4, 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 |
|---|---|---|---|
| CN201811075399.4A CN109212155A (en) | 2018-09-14 | 2018-09-14 | A kind of coal calorimetry system of laser assisted detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075399.4A CN109212155A (en) | 2018-09-14 | 2018-09-14 | A kind of coal calorimetry system of laser assisted detection |
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| Publication Number | Publication Date |
|---|---|
| CN109212155A true CN109212155A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811075399.4A Pending CN109212155A (en) | 2018-09-14 | 2018-09-14 | A kind of coal calorimetry system of laser assisted detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986349A (en) * | 2022-06-01 | 2022-09-02 | 成都迈锐捷激光技术有限公司 | Laser-assisted grinding device |
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|---|---|---|---|---|
| US4486894A (en) * | 1979-08-07 | 1984-12-04 | Coal Industry (Patents) Limited | Method of and apparatus for sensing the ash content of coal |
| CN202066852U (en) * | 2010-11-24 | 2011-12-07 | 南京龙源环保有限公司 | Rapid coal quality detection device for coal transported by automobile |
| 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 |
| 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 |
| CN105547917A (en) * | 2016-02-22 | 2016-05-04 | 天地（唐山）矿业科技有限公司 | Automatic detection method for coal product ash content |
| 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 |
-
2018
- 2018-09-14 CN CN201811075399.4A patent/CN109212155A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486894A (en) * | 1979-08-07 | 1984-12-04 | Coal Industry (Patents) Limited | Method of and apparatus for sensing the ash content of coal |
| CN202066852U (en) * | 2010-11-24 | 2011-12-07 | 南京龙源环保有限公司 | Rapid coal quality detection device for coal transported by automobile |
| 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 |
| 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 |
| CN105547917A (en) * | 2016-02-22 | 2016-05-04 | 天地（唐山）矿业科技有限公司 | Automatic detection method for coal product ash content |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986349A (en) * | 2022-06-01 | 2022-09-02 | 成都迈锐捷激光技术有限公司 | Laser-assisted grinding device |
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