CN104914010B - A kind of coal sample viscosity determination methods for coal sampling integration - Google Patents
A kind of coal sample viscosity determination methods for coal sampling integration Download PDFInfo
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Abstract
The invention discloses a kind of coal sample viscosity determination methods for coal sampling integration, its step is：S1：Set discrimination threshold；Normal viscosity coal sample is taken, is put into and gathers and processes in integrated coal sample detection device, when rotation sweeps station mark viscosity coal sample is carried out sweeping operation, detection rotation scrapes the real-time current value of motor in sweeping device as discrimination threshold；S2：Monitoring coal sample viscosity in real time；When gathering and processing the normal work of integrated coal sample detection device, when coal sample sweeps station by rotation, the current value for scraping motor in sweeping device is rotated in real-time monitoring integration coal sample detection device；When current value is more than the discrimination threshold, then coal sample feeding drying equipment is handled；When current value is less than or equal to the discrimination threshold, then coal sample is sent into and gathers and processes in integrated coal sample detection device next station after sweeping device is scraped in rotation and handled.The present invention has the advantages that principle is simple, operation is extremely simple, precision is high.
Description
Technical field
Present invention relates generally to coal sampling integration apparatus field, refer in particular to a kind of suitable for coal sampling integration
Coal sample viscosity determination methods.
Background technology
Because coal source, the kind of coal, grade and batch are different, some coals enter sampling, sample preparation link is possible to go out
Phenomena such as now gluing coal, chute blockage, stuck equipment.For that purpose it is necessary to sampling, sample preparation can be made by the resolution of some early stages and adopted
Process between sample and sample preparation smooth can be carried out, on the premise of automaticity is ensured, improve gather and process sample reliability and
Accuracy.Traditional mode is all not based on gathering and processing entire roboticized work to design, so it has the following disadvantages：
It is still all that the character of coal is manually distinguished by naked eyes identification at present in whole sampling, sample making course, then
Into sampling and sample preparation link.However, because the subjectivity of manual identified is too strong, phenomena such as failing to judge, judging by accident often occurs.Cause
This, coal is needed to have staff on duty before entering sampling and preparing system, special messenger judges, automatic sampling collection equipment can not be handled
Coal, it is necessary to come out by worker's manual separation, this has resulted in the deficiencies of its labor intensity is high, the cycle is long, poor accuracy.
The content of the invention
The technical problem to be solved in the present invention is that：For technical problem existing for prior art, the present invention provides one
The coal sample viscosity determination methods for being used for coal sampling integration that kind principle is simple, operation is extremely simple, precision is high.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of coal sample viscosity determination methods for coal sampling integration, its step are：
S1：Set discrimination threshold；Normal viscosity coal sample is taken, is put into and gathers and processes in integrated coal sample detection device, scraped in rotation
When sweeping station mark viscosity coal sample being carried out sweeping operation, the real-time current value conduct of motor in sweeping device is scraped in detection rotation
Discrimination threshold；
S2：Monitoring coal sample viscosity in real time；When gathering and processing the normal work of integrated coal sample detection device, when coal sample passes through rotation
When sweeping station, the current value for scraping motor in sweeping device is rotated in real-time monitoring integration coal sample detection device；Work as electric current
When value is more than the discrimination threshold, then coal sample feeding drying equipment is handled；When current value is less than or equal to the differentiation
During threshold value, then coal sample is sent into and gathers and processes in integrated coal sample detection device rotation and scrape after sweeping device at next station
Reason.
As a further improvement on the present invention：In above process, when coal sample carries out the dry of a period of time through drying equipment
After dry processing, coal sample is carried out again to sweep operation, obtain the current value of motor again, carry out real time viscosity judgement.
As a further improvement on the present invention：In said process, before coal sample is to be checked, sweeping device is scraped into rotation and dropped to
Lowest order, coal sample to be checked is then added, then rotation scrapes sweeping device rising rotation and strikes off coal sample, scrapes sweeping device rising in rotation and scrapes
, it is necessary to determine coal face in flat process, the benchmark of displacement is swept as decline.
Compared with prior art, the advantage of the invention is that：
The coal sample viscosity determination methods for being used for coal sampling integration of the present invention, principle is simple, operation is extremely simple, smart
Degree is high, and automatic viscosity can be carried out to coal sample and is judged, the coal sample of different viscosities accordingly targetedly handle, avoided
Resulted in blockage in automatic sampling sample making apparatus in follow-up broken, division equipment, whole pipelining is gone wrong.
Moreover, greater loss caused by the operations such as the broken, division in automatic sampling sample preparation link is avoided, can be certain
Ensure the representativeness of sample of coal sample in degree, meet required precision and the reliability requirement of coal sample detection.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the inventive method in application process.
Fig. 2 is that current detecting of the present invention in a concrete application example compares schematic diagram.
Fig. 3 is that current detecting of the present invention in another concrete application example compares schematic diagram.
Embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
The coal sample viscosity determination methods for being used for coal sampling integration of the present invention are to be based on following principle：Used for detection
For coal sample, humidity difference is primarily due to, causes the viscosity for detecting coal sample different.And the coal sample of different viscosities, scraped
When sweeping operation, resistance is different in the case of coal sample under equal volume, is so used for sweep suffered by the motor of operation and bears
Carrying also will be different, and the real-time working electric current in turn resulting in motor is different.Therefore, the present invention is exactly to be existed according to different coal samples
Rotate the electric current difference of motor during sweeping and carry out the viscosity judgement of coal sample.
As shown in figure 1, detailed step of the present invention in concrete application example is：
S1：Set discrimination threshold；Normal viscosity coal sample is taken, is put into and gathers and processes in integrated coal sample detection device, scraped in rotation
When sweeping station mark viscosity coal sample being carried out sweeping operation, the real-time current value conduct of motor in sweeping device is scraped in detection rotation
Discrimination threshold；
S2：Monitoring coal sample viscosity in real time；When gathering and processing the normal work of integrated coal sample detection device, when coal sample passes through rotation
When sweeping station, the current value for scraping motor in sweeping device is rotated in real-time monitoring integration coal sample detection device；Work as electric current
When value is more than the discrimination threshold, then coal sample feeding drying equipment is handled；When current value is less than or equal to the differentiation
During threshold value, then coal sample is sent into and gathers and processes in integrated coal sample detection device rotation and scrape after sweeping device at next station
Reason.
In above process, can be to coal sample again after coal sample carries out the drying process of a period of time through drying equipment
It is secondary to carry out sweeping operation, the current value of motor is obtained again, carries out real time viscosity judgement.
In above process, rotation can be scraped into sweeping device and drop to lowest order before coal sample is to be checked, then adds and treat
Coal sample is examined, then rotation scrapes sweeping device rising rotation and strikes off coal sample, is scraped in rotation during sweeping device rising strikes off, it is necessary to survey
Determine coal face, the benchmark of displacement is swept as decline.Because the coal sample volume for entering detection every time is different, highly differ after striking off
Cause, to ensure to sweep the coal sample of equal volume every time, therefore using coal face as declining the benchmark for sweeping displacement every time.
During concrete application, rotation scrapes sweeping device and sweeps certain displacement downwards（Such as 30mm）, now rotate and sweep
Current value be A, by A values and measured value of experiment before（Under equal experiment condition, carry out measuring certified reference coal or can enter
Enter the current value of the electric rotating machine of bottom-ranked unit coal sample）It is compared, if A values are less than or equal to measured value of experiment, can determine whether
This coal sample can enter bottom-ranked unit, if on the contrary, A values are more than measured value of experiment, progress forced air drying processing.Dry certain time
Afterwards, electric rotating machine amperometric determination is carried out, it is B now to rotate the current value swept, if B values are less than or equal to measured value of experiment,
It can determine whether that this coal sample can enter bottom-ranked unit, if B values are less than A values, more than measured value of experiment, then continue drying process.With
This analogizes, until electric rotating machine current value can enter bottom-ranked unit close to measured value of experiment, coal sample.
As shown in Fig. 2 for the concrete application example of the present invention, coal sample used in experimental test is automatic sampling sample preparation
The broken gained of prime in equipment, granularity are Φ 6mm lignite, full water 43.5% before drying.As shown in figure 3, it is the another of the present invention
Individual concrete application example, coal sample used in experimental test are the broken gained of prime in automatic sampling sample making apparatus, and granularity is Φ 6mm
Lignite, full water 45% before drying.
Preliminary rotation sweeps testing current, with original experimentation determination data（0.46 mA）Compare, more than original measure number
According to, preliminary judgement is wetter coal sample, so processing is dried.Dry a period of time（This experiment takes time interval and is
5min）Carry out rotation again afterwards and sweep amperometric determination, then compared with testing determination data, judge coal sample degree of drying.Until rotation
Turn to sweep electric current with test data relatively, to be determined as that coal sample is dried thoroughly, bottom-ranked unit can be entered.
Above-mentioned test data of experiment is a specific implementation citing to the sticky judgment mode of the present invention.Experimental data and figure
Table is to be based on existing experiment test platform, the result that experiment test is drawn on the premise of taking coal sample.The electricity of electric rotating machine
Flow valuve is the numerical value that above-mentioned experiment takes that coal sample obtains, and the size of electric rotating machine current value is intended only as differentiating different viscosities coal sample
A reference or foundation.But isometric coal sample is swept by rotation in the present invention, judged according to electric rotating machine current value size
The mode or method of coal sample viscosity are general.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, the protection of the present invention should be regarded as
Scope.
Claims (3)
1. a kind of coal sample viscosity determination methods for coal sampling integration, it is characterised in that step is：
S1：Set discrimination threshold；Normal viscosity coal sample is taken, is put into and gathers and processes in integrated coal sample detection device, work is swept in rotation
When position carries out sweeping operation to mark viscosity coal sample, detection rotation scrapes the real-time current value of motor in sweeping device as differentiating
Threshold value；
S2：Monitoring coal sample viscosity in real time；When gathering and processing the normal work of integrated coal sample detection device, when coal sample is swept by rotation
During station, the current value for scraping motor in sweeping device is rotated in real-time monitoring integration coal sample detection device；When current value is big
When the discrimination threshold, then coal sample feeding drying equipment is handled；When current value is less than or equal to the discrimination threshold
When, then coal sample is sent into and gathers and processes in integrated coal sample detection device next station after sweeping device is scraped in rotation and handled.
2. the coal sample viscosity determination methods according to claim 1 for coal sampling integration, it is characterised in that upper
During stating, after coal sample carries out the drying process of a period of time through drying equipment, coal sample is carried out again to sweep operation, then
It is secondary to obtain the current value of motor, carry out real time viscosity judgement.
3. the coal sample viscosity determination methods according to claim 1 or 2 for coal sampling integration, it is characterised in that
In said process, before coal sample is to be checked, sweeping device is scraped into rotation and drops to lowest order, then adds coal sample to be checked, Ran Houxuan
Turn to scrape sweeping device and rise rotation and strike off coal sample, scraped in rotation during sweeping device rises and strike off, determine coal face, scraped as decline
Sweep the benchmark of displacement.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963387A (en) * | 2006-11-10 | 2007-05-16 | 南京航空航天大学 | Full automatic intelligent measuring apparatus for gelatineous layer of mixed coal and measuring method thereof |
| CN102353619A (en) * | 2011-06-28 | 2012-02-15 | 清华大学 | Needle penetration measurement device and method for characterizing rheological behaviour of high-viscosity solid fuel ash |
| CN202599784U (en) * | 2012-05-24 | 2012-12-12 | 浙江东化实业有限公司 | Resin material viscosity on-line detection device |
| CN103760066A (en) * | 2014-01-08 | 2014-04-30 | 煤炭科学研究总院 | High-pressure high-temperature liquid viscosity measuring device and method |
-
2015
- 2015-06-30 CN CN201510371510.4A patent/CN104914010B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963387A (en) * | 2006-11-10 | 2007-05-16 | 南京航空航天大学 | Full automatic intelligent measuring apparatus for gelatineous layer of mixed coal and measuring method thereof |
| CN102353619A (en) * | 2011-06-28 | 2012-02-15 | 清华大学 | Needle penetration measurement device and method for characterizing rheological behaviour of high-viscosity solid fuel ash |
| CN202599784U (en) * | 2012-05-24 | 2012-12-12 | 浙江东化实业有限公司 | Resin material viscosity on-line detection device |
| CN103760066A (en) * | 2014-01-08 | 2014-04-30 | 煤炭科学研究总院 | High-pressure high-temperature liquid viscosity measuring device and method |
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