CN106198310A - Ash content of coal On-line Measuring Method and system - Google Patents

Ash content of coal On-line Measuring Method and system Download PDF

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Publication number
CN106198310A
CN106198310A CN201510214392.6A CN201510214392A CN106198310A CN 106198310 A CN106198310 A CN 106198310A CN 201510214392 A CN201510214392 A CN 201510214392A CN 106198310 A CN106198310 A CN 106198310A
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coal
volume
ash content
quality
ash
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刘建成
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Micro-Point In Beijing Is To Believing Science And Technology Ltd
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Micro-Point In Beijing Is To Believing Science And Technology Ltd
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Abstract

The present invention proposes a kind of ash content of coal On-line Measuring Method and system, and the method comprises the following steps: measure quality and the volume of coal of coal;Quality according to coal and the bulk density of the volume calculating coal of coal;The ash of the bulk density estimation coal according to coal;And the caloric value of coal is calculated according to the ash of coal.The method of the present invention can accurately measure ash content of coal, has the advantage that safety is good, stability is high and the suitability is good.

Description

Ash content of coal On-line Measuring Method and system
Technical field
The present invention relates to ash content of coal field of measuring technique, particularly to a kind of ash content of coal On-line Measuring Method and system.
Background technology
Ash is the important parameter evaluating Coal Quality, can also be extrapolated the caloric value of coal by ash content of coal, survey online Amount ash content of coal is to producing and applying coal significant.The method of on-line measurement ash content of coal is mainly by various at present Radioactive ray realizes, and these technology include: dual energy gamma ray transmissive method, monoergic gamma ray bounce technique, The activation point of dual energy gamma ray bounce technique, high-energy gamma ray pair effect annihilation radiation method, neutron prompt gamma ray Analysis methods etc., these technology realize mainly by ray and the rule of element interaction in coal, and the technology wherein having can be more fortunately Ash content of coal measured by line, such as dual energy gamma ray transmissive method, and has relatively high performance-price ratio, but by high atomic number element in coal The impact of changes of contents is relatively big, and some technology such as neutron prompt gamma ray activation analysis can analyze the middle multiple element that produces coal Content, but expensive, application cost is high.But the common trait of these technology is all to use radioactivity, owing to there is peace Full problem, the application of this quasi-instrument is restricted.
Based on this, the naturally radioactive in presently relevant research and utilization coal measures pit ash, and coal substantially can regard C as (carbon) and the mixture of mineral, if naturally radioactive K-40, U, Th and decay constant thereof are deposited with content of mineral substances In fixed proportion relation, then measure these radioelement and the ray of decay constant transmitting thereof, substantially may determine that the ash of coal Point, but there is Railway Project in this method: (1) naturally radioactive is the most weak, measures during its intensity the most affected by environment;(2) Naturally radioactive content is relevant with the geological conditions in colliery, even same mine, naturally radioactive and minerals in coal content Proportionate relationship be possible to change.The most this ash measuring method, accuracy is poor.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in above-mentioned correlation technique.
To this end, it is an object of the present invention to propose a kind of ash content of coal On-line Measuring Method, the method can be surveyed exactly Amount ash content of coal, has the advantage that safety is good, stability is high and the suitability is good.
Second object of the present invention is to provide a kind of ash content of coal on-line measurement system.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of ash content of coal On-line Measuring Method, bag Include following steps: measure quality and the volume of described coal of described coal;Quality according to described coal and described coal Volume calculates the bulk density of described coal;Bulk density according to described coal estimates the ash of described coal;And according to The ash of described coal calculates the caloric value of described coal.
Ash content of coal On-line Measuring Method according to embodiments of the present invention, by measuring quality and the volume of coal, calculating is produced coal The bulk density of charcoal, then according to the ash of bulk density estimation coal, and then obtains the caloric value of coal.Therefore, the party Method can accurately measure ash content of coal, and the method does not use radioactive ray, and safety is good;It addition, the method is not Affected with mineral rate fluctuations by natural radioactive element in coal, good stability;Further, the method is easy and simple to handle, Being easily achieved, the ash content of coal being applicable to the multiple occasions such as colliery, electrician and coal blending center is measured, and therefore, the suitability is good.
It addition, ash content of coal On-line Measuring Method according to the above embodiment of the present invention can also have following additional technology spy Levy:
In some instances, the quality of described coal is measured by belted electronic balance.
In some instances, measured the surface configuration of described coal by laser scanning or ultrasonic measuring distance technology, and according to institute The surface configuration stating coal calculates the volume of described coal.
The embodiment of second aspect present invention additionally provides a kind of ash content of coal on-line measurement system, including: apparatus for measuring quality, Described apparatus for measuring quality is for the quality of coal described in on-line measurement;Volume measurement device, described volume measurement device is used for The volume of coal described in on-line measurement;Processor, described processor respectively with described apparatus for measuring quality and described cubing Device is connected, and calculates the bulk density of described coal for the quality according to described coal and volume, and according to described coal Bulk density estimates the ash of described coal, and calculates the caloric value of described coal according to the ash of described coal.
Ash content of coal on-line measurement system according to embodiments of the present invention, by measuring quality and the volume of coal, calculating is produced coal The bulk density of charcoal, then according to the ash of bulk density estimation coal, and then obtains the caloric value of coal.Therefore, this is System can accurately measure ash content of coal, and this system does not use radioactive ray, and safety is good;It addition, this system is not Affected with mineral rate fluctuations by natural radioactive element in coal, good stability;Further, this system structure is simple, Low cost and being easily achieved, the ash content of coal being applicable to the multiple occasions such as colliery, electrician and coal blending center is measured, therefore, suitable Good by property.
It addition, ash content of coal on-line measurement system according to the above embodiment of the present invention can also have following additional technology spy Levy:
In some instances, described apparatus for measuring quality is belted electronic balance.
In some instances, described volume measurement device is for measuring described coal by laser scanning or ultrasonic measuring distance technology Surface configuration, and calculate the volume of described coal according to the surface configuration of described coal.
In some instances, described volume measurement device is one or more ultrasonic distance-measuring sensor.
In some instances, described apparatus for measuring quality is controlled nucleon operated belt conveyor scale.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become bright from the following description Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will be apparent from from combining the accompanying drawings below description to embodiment With easy to understand, wherein:
Fig. 1 is the flow chart of ash content of coal On-line Measuring Method according to an embodiment of the invention;And
Fig. 2 is the structured flowchart of ash content of coal on-line measurement system according to an embodiment of the invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing The embodiment stated is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Below in conjunction with accompanying drawing, ash content of coal On-line Measuring Method according to embodiments of the present invention and system are described.
Fig. 1 is the flow chart of ash content of coal On-line Measuring Method according to an embodiment of the invention.As it is shown in figure 1, the party Method comprises the following steps:
Step S101: measure quality and the volume of coal of coal.
In one embodiment of the invention, the quality of coal to be measured is such as measured by electronic belt or controlled nucleon operated belt conveyor scale.Example As measured the surface configuration of coal to be measured by laser scanning or ultrasonic measuring distance technology, then according to the surface configuration meter of coal Calculate the volume of coal to be measured.
Step S102: calculate the bulk density of coal according to the quality of coal and the volume of coal.I.e. according to above-mentioned steps S101 In the quality of coal to be measured that obtains and volume, the bulk density of coal to be measured can be calculated.
Step S103: estimate the ash of coal according to the bulk density of coal.
Specifically, there is preferable linear relationship in the true density of coal and ash content of coal, ash content of coal is the highest, the true density of coal The highest.Pore size between the bulk density of coal with the true density of coal and coal particles is relevant, typically fixes at one Occasion, the pore size between coal particles is seen based on average effect, substantially stationary, therefore, the bulk density of coal with There is linear approximate relationship in true density, as long as namely on-line measurement go out the bulk density of coal, it is possible to approximate calculation goes out coal Ash.
Step S104: calculate the caloric value of coal according to the ash of coal.
To sum up, ash content of coal On-line Measuring Method according to embodiments of the present invention, by measuring quality and the volume of coal, meter Calculate the bulk density of coal, then according to the ash of bulk density estimation coal, and then obtain the caloric value of coal.Therefore, The method can accurately measure ash content of coal, and the method does not use radioactive ray, and safety is good;It addition, the party Method is not affected with mineral rate fluctuations by natural radioactive element in coal, good stability;Further, the method operation letter Just, it is easy to accomplish, the ash content of coal being applicable to the multiple occasions such as colliery, electrician and coal blending center is measured, therefore, the suitability Good.
Further embodiment of the present invention additionally provides a kind of ash content of coal on-line measurement system.
Fig. 2 is the structured flowchart of ash content of coal on-line measurement system according to an embodiment of the invention, as in figure 2 it is shown, should System 100 includes: apparatus for measuring quality 110, volume measurement device 120 and processor 130.
Wherein, apparatus for measuring quality 110 is for the quality of on-line measurement coal to be measured.In one embodiment of the invention, Apparatus for measuring quality 110 for example, belted electronic balance.In other example, apparatus for measuring quality 110 can also be core Sub-belt conveyer scale.
Volume measurement device 120 is for the volume of on-line measurement coal to be measured.Specifically, volume measurement device 120 is the most logical Cross laser scanning or the surface configuration of ultrasonic measuring distance technology measurement coal, then calculate coal according to the surface configuration of coal Volume.More specifically, in one embodiment of the invention, volume measurement device 120 is the most one or more ultrasonic Ripple distance measuring sensor.
Processor 130 is connected with apparatus for measuring quality 110 and volume measurement device 120 respectively, for according to coal to be measured Quality and volume calculate the bulk density of coal, and fix the ash calculating coal according to the bulk density of coal, and then according to coal The ash of charcoal calculates the caloric value of coal.
Specifically, there is preferable linear relationship in the true density of coal and ash content of coal, ash content of coal is the highest, the true density of coal The highest.Pore size between the bulk density of coal with the true density of coal and coal particles is relevant, typically fixes at one Occasion, the pore size between coal particles is seen based on average effect, substantially stationary, therefore, the bulk density of coal with There is linear approximate relationship in true density, as long as namely on-line measurement go out the bulk density of coal, it is possible to approximate calculation goes out coal Ash.In this example, processor 130 acquisition quality measurement apparatus 110 is measured the quality of coal and cubing The volume of the coal that device 120 is measured, calculates the bulk density of coal, and then the ash of estimation coal according to quality and stereometer Point, the caloric value of coal is then calculated according to ash.
To sum up, ash content of coal on-line measurement system according to embodiments of the present invention, by measuring quality and the volume of coal, meter Calculate the bulk density of coal, then according to the ash of bulk density estimation coal, and then obtain the caloric value of coal.Therefore, This system can measure ash content of coal in ground, and this system does not use radioactive ray, and safety is good;It addition, this system is not subject to In coal, natural radioactive element affects with mineral rate fluctuations, good stability;Further, this system structure is simple, becomes This is low and is easily achieved, and the ash content of coal being applicable to the multiple occasions such as colliery, electrician and coal blending center is measured, and therefore, is suitable for Property is good.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings Orientation or position relationship, be for only for ease of describe the present invention and simplify describe rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or Person implies the quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, Three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", the art such as " fixing " Language should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be machinery Connect, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units Connection within part or the interaction relationship of two elements, unless otherwise clear and definite restriction.Ordinary skill for this area For personnel, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be One directly contacts with second feature, or the first and second features are by intermediary mediate contact.And, fisrt feature is Two features " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of first Characteristic level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature Immediately below second feature or obliquely downward, or it is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ", Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes It is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term necessarily It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be arbitrary Individual or multiple embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be combined by art personnel And combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary, Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment It is changed, revises, replaces and modification.

Claims (8)

1. an ash content of coal On-line Measuring Method, it is characterised in that comprise the following steps:
Measure quality and the volume of described coal of described coal;
Quality according to described coal and the bulk density of the volume described coal of calculating of described coal;
Bulk density according to described coal estimates the ash of described coal;And
Ash according to described coal calculates the caloric value of described coal.
Ash content of coal On-line Measuring Method the most according to claim 1, it is characterised in that wherein, pass through electronic belt The quality of described coal measured by scale.
Ash content of coal On-line Measuring Method the most according to claim 1, it is characterised in that wherein, pass through laser scanning Or the surface configuration of the ultrasonic measuring distance technology described coal of measurement, and calculate described coal according to the surface configuration of described coal Volume.
4. an ash content of coal on-line measurement system, it is characterised in that including:
Apparatus for measuring quality, described apparatus for measuring quality is for the quality of coal described in on-line measurement;
Volume measurement device, described volume measurement device is for the volume of coal described in on-line measurement;
Processor, described processor is connected with described apparatus for measuring quality and described volume measurement device respectively, for according to institute State quality and the bulk density of the volume described coal of calculating of coal, and estimate described coal according to the bulk density of described coal Ash, and calculate the caloric value of described coal according to the ash of described coal.
Ash content of coal on-line measurement system the most according to claim 4, it is characterised in that wherein, described mass measurement Device is belted electronic balance.
Ash content of coal on-line measurement system the most according to claim 4, it is characterised in that wherein, described cubing Device is used for being measured the surface configuration of described coal by laser scanning or ultrasonic measuring distance technology, and according to the table of described coal Face shape calculates the volume of described coal.
Ash content of coal on-line measurement system the most according to claim 6, it is characterised in that described volume measurement device is One or more ultrasonic distance-measuring sensors.
Ash content of coal on-line measurement system the most according to claim 4, it is characterised in that wherein, described mass measurement Device is controlled nucleon operated belt conveyor scale.
CN201510214392.6A 2015-04-29 2015-04-29 Ash content of coal On-line Measuring Method and system Pending CN106198310A (en)

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CN107451408A (en) * 2017-07-31 2017-12-08 华能平凉发电有限责任公司 A kind of coal burning caloricity data check method
CN107621432A (en) * 2017-08-11 2018-01-23 红云红河烟草(集团)有限责任公司 Evaluation and detection method for bulk density of cut tobacco
CN107843640A (en) * 2017-11-01 2018-03-27 广西壮族自治区食品药品检验所 The assessment method of 20 kinds of constituent content uncertainties in honeysuckle
CN108519305A (en) * 2018-03-26 2018-09-11 红云红河烟草(集团)有限责任公司 Detection and evaluation method for filling property of cut tobacco in whole batch
CN109164234A (en) * 2018-09-14 2019-01-08 丹东东方测控技术股份有限公司 A kind of pair of belt speed changes the ash content of coal analysis system compensated
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CN112798467A (en) * 2020-12-15 2021-05-14 中煤科工集团唐山研究院有限公司 Intelligent online ash detection device and detection method based on high-speed microscopic vision
CN113466086A (en) * 2021-06-21 2021-10-01 中国原子能科学研究院 Method for measuring bulk density and method for measuring bulk density of calcined product of radioactive waste liquid
CN114472205A (en) * 2021-12-24 2022-05-13 重庆卡贝乐化工有限责任公司 System and method for measuring ash content and calorific value of coal

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CN107451408A (en) * 2017-07-31 2017-12-08 华能平凉发电有限责任公司 A kind of coal burning caloricity data check method
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CN109164234A (en) * 2018-09-14 2019-01-08 丹东东方测控技术股份有限公司 A kind of pair of belt speed changes the ash content of coal analysis system compensated
CN109164233A (en) * 2018-09-14 2019-01-08 丹东东方测控技术股份有限公司 A kind of pair of belt speed changes the online ash content of coal analyzer compensated
CN112798467A (en) * 2020-12-15 2021-05-14 中煤科工集团唐山研究院有限公司 Intelligent online ash detection device and detection method based on high-speed microscopic vision
CN113466086A (en) * 2021-06-21 2021-10-01 中国原子能科学研究院 Method for measuring bulk density and method for measuring bulk density of calcined product of radioactive waste liquid
CN113466086B (en) * 2021-06-21 2022-05-13 中国原子能科学研究院 Method for measuring bulk density and method for measuring bulk density of calcined product of radioactive waste liquid
CN114472205A (en) * 2021-12-24 2022-05-13 重庆卡贝乐化工有限责任公司 System and method for measuring ash content and calorific value of coal
CN114472205B (en) * 2021-12-24 2024-03-05 重庆卡贝乐化工有限责任公司 System and method for measuring ash content and calorific value of coal

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