CN104765743B - A kind of method and system of as-fired coal coal quality real-time display - Google Patents
A kind of method and system of as-fired coal coal quality real-time display Download PDFInfo
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- CN104765743B CN104765743B CN201410005462.2A CN201410005462A CN104765743B CN 104765743 B CN104765743 B CN 104765743B CN 201410005462 A CN201410005462 A CN 201410005462A CN 104765743 B CN104765743 B CN 104765743B
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Abstract
The present invention provides a kind of methods of as-fired coal coal quality real-time display, including：Required measuring point data is searched in measuring point library by thermal power plant system in SIS systems, and stores and find required measuring point data；Index storehouse gets one or more measuring point datas according to performance analysis needs, from measuring point library, and according to Index Formula and the measuring point data got from measuring point library, calculates achievement data, and the achievement data of generation is sent to typical condition achievement data library；Real-time coal bunker stores apparatus for management of information according to achievement data, it handles in real time and update each coal bunker deposits coal information, this deposit coal information be coal seam formed at the beginning of with the end time, and at the beginning of being formed according to coal seam, the upper coal information matches of end time and manual entry, the corresponding coal quality information in coal seam residing for fire coal in real time is obtained, obtains coal bunker coal-fired calorific value in real time.Current coal quality situation, the coal quality situation after a period of time are very clear.
Description
Technical field
The invention belongs to coal mine management domain, more particularly to a kind of method and system of as-fired coal coal quality real-time display.
Background technology
The SIS systems of the company of thermal power generation at present were relatively more universal in recent years, but there are various for current SIS systems
Problem, 1), it is unable to as-fired coal coal quality real-time display, 2), it is costly although there is the chemical examination of as-fired coal real-time sampling, and have
Radioactive element measures inaccurate when coal varitation is larger；3), as-fired coal result of laboratory test lags at present, and General Result is the
Two talentes go out, not strong to the directive significance of combustion adjustment；4), at present the result of laboratory test of as-fired coal matter be full factory total result,
The coal quality of specific every unit and every mill cannot be embodied.
Invention content
Based on the above-mentioned technical problems in the prior art.It is an object of the invention to propose that a kind of as-fired coal coal quality is real
When the method and system that shows.
The present invention provides a kind of methods of as-fired coal coal quality real-time display, including：
The data-query interfaces that measuring point library is provided by thermal power plant system, according to the coding of measuring point, in SIS systems
Measuring point data needed for middle lookup, the required measuring point data contains the essential attribute of measuring point, and is found described in storage
Required measuring point data, wherein the essential attribute includes coal position, adds up Coal-fired capacity, belt operating status and coal plough state
One or more of；Index storehouse gets one or more measuring point datas according to performance analysis needs, from measuring point library, and according to
The measuring point data got from measuring point library described in Index Formula and phase calculates achievement data, and the achievement data of generation is sent out
Give typical condition achievement data library；For real-time coal bunker storage apparatus for management of information according to achievement data, processing in real time and update are each
A coal bunker deposits coal information, this deposits the coal amount and volume that coal information can be each coal seam, coal seam formed at the beginning of with end
Time, and at the beginning of being formed according to coal seam, at the beginning of the upper coal information of end time and manual entry, the end time
Matching obtains the corresponding coal quality information in coal seam residing for fire coal in real time, can obtain coal bunker coal-fired calorific value in real time.
Further, the corresponding coal quality information in coal seam residing for fire coal in real time is obtained, specially：Initialization determines initial close
Degree, thus calculates the coal amount in initial coal bunker；It finds 1 coal bunker and only descends coaly state, measured out according to the volume of reduction and lower coal
Density initializes the weight of coal bunker first layer coal as initial density；If can not find the coal that a coaly state is unsatisfactory for condition
Storehouse, using the averag density of same other coal bunkers of stove as initial density；If it is coaly state is only descended, 1 new density is calculated, with
The density of preceding n computations calculates average value, as new density；The coal position in each coal seam in coal bunker is updated according to lower coal amount, and each
The coal amount in coal seam；It can count to obtain the coal quality information in current coal seam simultaneously, the fire coal information includes Coal-fired capacity, affiliated coal seam,
And the coal quality information burnt accordingly；If it is only upper coaly state, upper coal amount is calculated according to the increase of volume and current density,
If laststate is an only lower coal, then a coal seam is created, according to upper coal time match upper coal information accordingly, obtains current coal
The coal quality information of layer；If it is upper coaly state and lower coaly state, first according to lower coal amount update coal bunker in each coal seam coal position with
And undermost coal amount, the coal amount on new is then calculated according to increased volume after upper coal and current density；It can count simultaneously
To the coal quality information in current coal seam.
The invention also discloses a kind of systems of as-fired coal coal quality real-time display, including：Measuring point library, index storehouse and real-time coal
Storehouse stores apparatus for management of information, wherein measuring point library, the data-query interfaces for being provided by thermal power plant system, root
According to the coding of measuring point, required measuring point data is searched in SIS systems, the required measuring point data contains the basic of measuring point
Attribute, and find required measuring point data described in storage；Index storehouse, for the coal plough state according to coal bunker, from measuring point library
The data of one or more measuring points are got, and be composed by logical operator and arithmetic operator symbol, according to index public affairs
Formula and the corresponding above-mentioned measuring point data got from measuring point library, calculate achievement data；Real-time coal bunker storage information management dress
It sets, for according to achievement data, handles in real time and update each coal bunker deposits coal information, it can be each coal seam that this, which deposits coal information,
Coal amount and volume, coal seam formed at the beginning of with the end time, and at the beginning of being formed according to coal seam, the end time with it is upper
The time match of coal information obtains the corresponding coal quality information in coal seam residing for fire coal in real time, can obtain coal bunker coal-fired calorific value in real time.
The beneficial effects of the invention are as follows：Coal blending situation of the present invention, coal blending is as a result, current coal quality situation, after a period of time
Coal quality situation is very clear；Coal blending input can shift to an earlier date, and can also lag, not the calculating of influence process；To there is no as-fired coal skin
The power plant of belt scale is particularly useful, and upper coal amount can be retrodicted out from coal consumption and volume change；The specific coal blending one of each coal bunker is to take
Certainly coal yard takes coal position, second is that being decided by the position of pears coal device, coal blending value is objective；According to the computing module, it can be found that false
Coal bunker level indicator, and and alarm, avoid coal bunker occurs burning empty accident and occur.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of as-fired coal coal quality real-time display system of the present invention；
Fig. 2 is a kind of specific schematic diagram of as-fired coal coal quality real-time display of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, it is noted that described embodiment is only
It is intended to be convenient for the understanding of the present invention, and does not play any restriction effect to it.
Based on the secondary development of thermal power plant SIS systems, to coal yard deposit coal situation is clearer, Coal Blending Schemes clearly
Power plant makes full use of the real-time characteristic of SIS data, shows the real-time coal quality situation of as-fired coal.
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the present invention provides a kind of systems of as-fired coal coal quality real-time display, including：Measuring point library, index storehouse
Apparatus for management of information is stored with real-time coal bunker, wherein measuring point library, index storehouse can be respectively that a database is either deposited for one
Store up the server of data.Specifically, measuring point library, the data-query interfaces for being provided by thermal power plant system, according to
The coding of measuring point, searches required measuring point data in SIS systems, and the required measuring point data contains the basic category of measuring point
Property, and find required measuring point data described in storage.Index storehouse is obtained for the coal plough state according to coal bunker from measuring point library
The data of one or more measuring points are got, and be composed by logical operator and arithmetic operator symbol, according to Index Formula
With the corresponding above-mentioned measuring point data got from measuring point library, achievement data is calculated.Real-time coal bunker stores apparatus for management of information,
Coal information is deposited for according to achievement data, handle and update each coal bunker in real time, this deposits the coal that coal information can be each coal seam
Amount and volume, coal seam formed at the beginning of with the end time, and at the beginning of being formed according to coal seam, end time and upper coal
The time match of information obtains the corresponding coal quality information in coal seam residing for fire coal in real time, can obtain coal bunker coal-fired calorific value in real time, i.e.,
It can be with real-time display as-fired coal coal quality.
The present invention provides a kind of methods of as-fired coal coal quality real-time display, including：
The data-query interfaces that defeated coal/coal burning system measuring point library is provided by thermal power plant system, according to measuring point
Coding, searches required measuring point data in SIS systems, and the required measuring point data contains the essential attribute of measuring point, and
Required measuring point data is found described in storage, essential attribute here includes coal position, accumulative Coal-fired capacity, belt operating status,
The correlation measuring point information such as coal plough state.
Defeated coal/coal burning system index storehouse gets one or more measuring points according to the coal plough state of coal bunker from measuring point library
Data, and be composed by logical operator and arithmetic operator symbol, according to Index Formula and corresponding above-mentioned from measuring point
The measuring point data that library is got, calculates achievement data.Such as：Each corresponding coal plough state of coal bunker needs to combine before it
The coal plough states of all coal bunkers judges.Achievement data is sent to real-time coal bunker storage letter by defeated coal/coal burning system index storehouse
Cease managing device.
By man machine operation interface, coal information in manual entry, at the beginning of coal information includes upper coal on this, upper coal
End time, upper coal belt number and upper coal ratio.Upper coal information management provides for the realization of real-time display calorific value
Precondition the coal quality information data of gone up coal is not present in SIS, it is therefore desirable to staff's typing in defeated coal and coal burning system
Relevant information.Staff can be managed coal information by man machine operation interface, the upper coal of typing each period daily
Information；It was that each coal seam matches coal quality information in coal bunker according to the upper coal time.
Real-time coal bunker stores apparatus for management of information according to achievement data, and the coal of depositing for handling in real time and updating each coal bunker is believed
Breath, this deposits the coal amount and volume that coal information can be each coal seam, coal seam formed at the beginning of with the end time, and according to coal seam
At the beginning of formation, the time match of end time and upper coal information, obtain the corresponding coal quality in coal seam letter residing for fire coal in real time
Breath can obtain coal bunker coal-fired calorific value in real time, you can with real-time display as-fired coal coal quality.
The processing of real-time coal bunker storage information is to show the core of real-time calorific value, and processing procedure is as follows, such as：Full factory has
4 stoves, every stove are corresponding with 6 coal bunkers.Required real time data index：Coal plough A is lifted, and coal plough A is fallen, coal plough B lifts
It rises, coal plough B is fallen, lower coal amount, coal position, belt A operation, belt B operations.Upper coaly state refers to belt A operation and plough coal
Device A is fallen or belt B operations are fallen with coal plough B.Lower coaly state refers to that lower coal amount increases.
Initialization, determines initial density, thus calculates the coal amount in initial coal bunker.
It finds 1 coal bunker and only descends coaly state, density is measured out according to the volume of reduction and lower coal, as initial density, just
The weight of beginningization coal bunker first layer coal.If can not find the coal bunker that a coaly state is unsatisfactory for condition, other coal bunkers of same stove are used
Averag density as initial density, each coal bunker retains nearest 6 density.
If it is coaly state is only descended, 1 new density is calculated, the density calculated with first 5 times calculates average value, as Xinmi City
Degree；The coal position in each coal seam and the coal amount in each coal seam in coal bunker are updated according to lower coal amount.It can count to obtain current coal seam simultaneously
Coal quality information, including Coal-fired capacity, affiliated coal seam, and the coal quality information burnt accordingly.
If it is only upper coaly state, upper coal amount is calculated according to the increase of volume and current density, if laststate is only
Lower coal then creates a coal seam, goes up coal information accordingly according to upper coal time match, obtains the coal quality information in coal seam.
If it is upper coaly state and lower coaly state, the coal position in each coal seam and most lower is updated in coal bunker according to lower coal amount first
Then the coal amount of layer calculates the coal amount on new according to increased volume after upper coal and current density.It can count to obtain simultaneously current
Coal-fired information, including Coal-fired capacity, affiliated coal seam, and the coal quality information burnt accordingly.
If when if the coal position being calculated during upper coal or lower coal is inconsistent with the real-time coal position of system, according to coal
The height of layer carries out plus-minus compensation in proportion.
If after upper coal or lower coal, if the coal amount that coal amount in coal bunker is calculated with current density and volume is not inconsistent, to the
One layer or more of coal amount compensates；If only one layer of coal, compensates this layer of coal in current coal bunker.According to the coal of each layer coal
Amount is increased or decreased in coal amount ratio.
Be described above only be the present invention a specific embodiment, it is clear that technical scheme of the present invention guidance under this field
Anyone made by modification or part replace, belong to claims of the present invention restriction range.
Claims (1)
1. a kind of method of as-fired coal coal quality real-time display, which is characterized in that including：
The data-query interfaces that measuring point library is provided by thermal power plant system are looked into according to the coding of measuring point in SIS systems
It looks for required measuring point data, the required measuring point data to contain the essential attribute of measuring point, and is found described in storage required
Measuring point data, wherein the essential attribute includes coal position, adds up Coal-fired capacity, in belt operating status and coal plough state
It is one or more；
Index storehouse gets one or more measuring point datas according to performance analysis needs, from measuring point library, and according to Index Formula and
The measuring point data got from measuring point library calculates achievement data, and the achievement data of generation is sent to typical condition
Achievement data library；
Real-time coal bunker stores apparatus for management of information according to achievement data, handles in real time and update each coal bunker deposits coal information, institute
State deposit coal information include at the beginning of coal seam is formed with the end time, and at the beginning of being formed according to coal seam, the end time
With at the beginning of the upper coal information of manual entry, the end time match, obtain the corresponding coal quality in coal seam letter residing for fire coal in real time
Breath obtains coal bunker coal-fired calorific value in real time；
It is described to obtain the corresponding coal quality information in coal seam residing for fire coal in real time, specially：Initialization, determines initial density, thus counts
Calculate the coal amount in initial coal bunker；It finds 1 coal bunker and only descends coaly state, density is measured out according to the volume of reduction and lower coal, as
Initial density initializes the weight of coal bunker first layer coal；If can not find the coal bunker that a coaly state is unsatisfactory for condition, use is same
The averag density of other coal bunkers of stove is as initial density；
If it is coaly state is only descended, 1 new density is calculated, average value is calculated with the density of preceding n computations, as new density；Root
The coal position in each coal seam and the coal amount in each coal seam in coal bunker are updated according to lower coal amount；It can count to obtain the coal quality in current coal seam simultaneously
Information, coal-fired information include Coal-fired capacity, affiliated coal seam, and the coal quality information burnt accordingly；
If it is only upper coaly state, upper coal amount is calculated according to the increase of volume and current density, if laststate is a lower coal,
A coal seam is then created, coal information is gone up according to upper coal time match accordingly, obtains the coal quality information in current coal seam；
If it is upper coaly state and lower coaly state, the coal position in each coal seam and undermost is updated in coal bunker according to lower coal amount first
Then coal amount calculates the coal amount on new according to increased volume after upper coal and current density；It can count to obtain current coal seam simultaneously
Coal quality information.
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| CN201410005462.2A CN104765743B (en) | 2014-01-03 | 2014-01-03 | A kind of method and system of as-fired coal coal quality real-time display |
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| CN106203692A (en) * | 2016-06-30 | 2016-12-07 | 华润电力登封有限公司 | A kind of thermal power plant's optimization system and data processing method |
| CN106405044B (en) * | 2016-09-09 | 2019-04-12 | 南京工程学院 | A kind of thermal power plant's coal pulverizer coal elemental composition intelligent monitoring method |
| CN107512504B (en) * | 2017-08-25 | 2023-06-02 | 河北大唐国际丰润热电有限责任公司 | System and method for statistical monitoring of coal level for silo |
| CN110286608B (en) * | 2019-06-06 | 2021-09-21 | 上海蓝箭实业发展有限公司 | Dynamic compensation processing system and method for raw coal bunker |
| CN110433950B (en) * | 2019-09-03 | 2024-08-13 | 南方电网电力科技股份有限公司 | Outlet temperature control device of coal mill |
| CN110823328B (en) * | 2019-11-04 | 2021-05-11 | 浙江浙能技术研究院有限公司 | Coal bunker coal type layering real-time monitoring method |
| CN110765324A (en) * | 2019-11-06 | 2020-02-07 | 天地（常州）自动化股份有限公司 | Method for establishing programmable logic operation model of coal mine monitoring system |
| CN112199867A (en) * | 2020-11-19 | 2021-01-08 | 华能秦煤瑞金发电有限责任公司 | System and method for automatically calculating coal type switching time in coal bunker |
| CN112819653B (en) * | 2021-02-25 | 2023-03-21 | 西安热工研究院有限公司 | System and method for online monitoring heat value difference between coal as fired and coal as fired |
| CN113189299A (en) * | 2021-06-07 | 2021-07-30 | 烟台瑞能创科能源科技有限责任公司 | Real-time online display analysis system for coal quality of coal bunker |
| CN113884651B (en) * | 2021-09-26 | 2024-02-06 | 大唐南京发电厂 | On-line monitoring method for coal quality of coal fed into furnace of direct-fired pulverizing system of thermal power plant |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598688A (en) * | 2009-06-10 | 2009-12-09 | 东南大学 | Boiler Ash fouling monitoring and soot blowing and optimal method based on the ature of coal on-line measurement |
| CN101839496A (en) * | 2010-06-13 | 2010-09-22 | 华中科技大学 | Method for monitoring layering interfaces of multiple coal ranks in raw coal bunker |
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