CN106404436A - Method for determining feeding precision of belt type feeder rapidly - Google Patents
Method for determining feeding precision of belt type feeder rapidly Download PDFInfo
- Publication number
- CN106404436A CN106404436A CN201610731520.9A CN201610731520A CN106404436A CN 106404436 A CN106404436 A CN 106404436A CN 201610731520 A CN201610731520 A CN 201610731520A CN 106404436 A CN106404436 A CN 106404436A
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- precision
- belt
- feeding
- weighing
- output frequency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a method for determining the feeding precision of a belt type feeder rapidly. The standard belt running period TX in the standard output frequency FX of a frequency converter is measured, and a theoretical value of the material weight is calculated; weighing data is collected, and a feeding deviation is calculated and displayed; and alarm information is emitted if the feeding deviation is beyond a preset fluctuation confidence interval. According to the invention, the precision of a feeding and weighing device is detected rapidly by utilizing change of output frequency of the frequency converter, so that the precision of the feeding and weighing device is detected rapidly without interruption all day, and automatic alarm can be raised. A production operator can carry out fault inspection on the fault device according to alarm prompt, and accidents and economical loss caused by abnormal feeding amount can be avoided.
Description
Technical field
The present invention relates to a kind of method judging that apron feeder is fed precision, more particularly, to one kind are quick judges that belt is given
The method that material machine is fed precision, belongs to feed weighing technology field.
Background technology
In the enterprise much needing to process a large amount of granular materials, granular material is typically first stored in some or several thing
In feed bin, in process of production the difference according to material variety and demand by different feeding devices realize constant or variable to
Material.Adopting apron feeder the dry thin material such as the fine ore in metallurgical class enterprise, coal, concentrate, the feature of apron feeder is more：
Structure is simple, and investment is little, and discharge is smooth, and feeding coal is easily adjusted, and energy consumption is less, and conveying capacity is big.Maximum advantage be for belt to
After meausring apparatus loaded onto by material machine, belt speed can be automatically adjusted according to the setting value of meausring apparatus, thus obtain required stablizing determining
Amount feeding coal.
Apron feeder feed width depends on warehouse discharge gate, is combined with the endless-belt with shirt rim by deflector chute
Carry out Critical Item so as to form certain altitude to meet feed demand.According to warehouse discharge gate version, apron feeder divides
For ordinary belt batcher and storehouse pressure type apron feeder, either its feed precision of any batcher both depends on weighing dress
The feedback put, the feedback information according to meausring apparatus is carrying out automatically adjusting of belt speed.The feedback of meausring apparatus is run by belt
Partially, the multiple factors such as belt tightening change, sensor fault, weighing hostdown, leather belt buckle foreign body, belt speed measuring device fault
Impact fault rate very high, and the feedback in smaller range is abnormal is difficult to be noticeable thus causing very big shadow to producing
Ring, serious production and quality accident will be led to particularly with fuel in metallurgical class enterprise and solvent material with addition of abnormal.
At present the precision test weighing and be fed typically periodically is demarcated to batcher by technical professional,
Or verified roughly using the mode that artificial splicing is weighed in process of production.
Technical staff carries out to batcher weighing precision demarcating needs the equipment downtime of long period to coordinate, and utilizes
The mode that artificial splicing is weighed is carrying out verifying that shortcoming is that checking precision is poor.And both the above mode all cannot be realized
Continual discharge quantity monitor in real time and initiative alarming, often result in accident or larger economic loss.
Content of the invention
The technical problem to be solved in the present invention is a kind of method providing quick judgement apron feeder to be fed precision.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of method that quick judgement apron feeder is fed precision, comprises the following steps：
Step 1：Measurement for Inverter is in standard output frequency FXWhen standard belt T service cycleX；
Step 2：It is calculated converter in standard output frequency FXWhen standard belt speed of service VX=C/TX, C is belt week
Long；
Step 3：Collection converter is running output frequency F, calculates belt speed of service V=F*V of converterX/ FX；
Step 4：Weight of material G on silverskin band when weighing normal feedRice；
Step 5：Calculate theoretical value G of weight of materialTheoretical=GRice*V；
Step 6：Collection weighing data GClaim；
Step 7：Feed deviation delta G=G is calculated and be shownClaim-GTheoretical.
The quick method judging apron feeder feed precision also includes alarming step：Judge whether to be fed deviation beyond pre-
If fluctuation trust interval；If it is, alert.
Using having technical effect that acquired by technique scheme：
1st, the present invention can find to reduce because weighing belt sensor fault or precision by the change of real-time offsets value Δ G in time
The weighing deviation leading to, prevents actual material with addition of amount change, proportioning accuracy is effectively ensured.
2nd, the present invention quickly feed weighing equipment precision to be tested using the change of converter output frequency, using this
Method is capable of being fed the round-the-clock uninterruptedly quick inspection of weighing equipment precision and initiative alarming；Production operation personnel according to
Alarm carries out trouble shooting to faulty equipment, thus avoiding the accident because feeding coal causes extremely and economic loss.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the flow chart of the present embodiment 1.
Specific embodiment
Embodiment 1：A kind of method that quick judgement apron feeder is fed precision, comprises the following steps：
Step 1：Measurement for Inverter is in standard output frequency FXWhen standard belt T service cycleX；
Step 2：It is calculated converter in standard output frequency FXWhen standard belt speed of service VX=C/TX, C is belt week
Long；
Step 3：The operation output frequency F of collection converter, calculates belt speed of service V=F*V of converterX/ FX；
Step 4：Weight of material G on silverskin band when weighing normal feedRice；
Step 5：Calculate theoretical value G of weight of materialTheoretical=GRice*V；
Step 6：Collection weighing data GClaim；
Step 7：Feed deviation delta G=G is calculated and be shownClaim-GTheoretical.
Embodiment 2：In the present embodiment, the quick method judging apron feeder feed precision also includes alarming step：Sentence
It is interval whether disconnected feed deviation trusts beyond default fluctuation；If it is, alert.
Under the conditions of certain warehouse width of discharge opening and height, by the constraint unit length belt of deflector chute and belt
The material shapes of upper carrying are relatively fixed, and its material density ρ under the conditions of granularity and moisture are metastable is permissible for material of the same race
It is considered as constant, the weight of material that on our direct weighing belts, unit length carries carries out intercepting weighing and obtains GRice.Belt is given
Material machine speed of service S is continually changing with producing adjustment, and speed measuring device is also one of trouble point of easily going wrong, and weighs master
Machine interface cannot show real-time speed S in normal operation, be unfavorable for monitoring and find fault.Measurement for Inverter is default
Standard output hertz FXWhen the belt time T that circles of fortuneX, belt speed of service ν can be obtained according to strap circumference CX=C/
TX.There is more strict linear relationship, i.e. V=F*a because the belt speed of service and converter export hertz number.For same
Driving equipment a of set belt is constant, and in example, a can be by a=V/F it is known that belt speed of service ν of any time=F* νX/ FX.
In conjunction with the belt speed of service and weight of material G in unit lengthRiceIt is computed obtaining its theory feed weight GTheoretical, GTheoretical
=GRice*ν= GRice* F*νX/ FX.According to automatic weighing feedback result GClaimWith its theory feed weight GTheoreticalDifference obtains real-time offsets
Value Δ G=GClaim- GTheoreticalFeed precision is weighed.Δ G may be positive number, negative or zero, and feed precision becomes anti-with its absolute value
Than.
By Δ G=GClaim-GRice* F* （C/ TX）/ FXOnly need to be by G when being adjusted as computing formulaRice、C、TX、 FXDeng pre-
Setting parameter is inserted in advance, carries out only need to inputting real-time weighing data G during artificial nucleus coupleClaimWith real time execution output frequency F, you can
To current feed deviation delta G, the deviation of computer automatic checking monitoring feed precision.The difference of precision can set according to demand
Fixed different alert if, the present embodiment sets 0<ΔGReport to the police< GClaim* 20% is that interval is trusted in fluctuation, feed departure Δ G is more than
Or be equal to exceed weigh weight 20% when can automatically send alarm, thus realize apron feeder feeding coal quick verification and
Automatic alarm.
The present invention can be found because weighing belt sensor fault or precision fall in time by the change of real-time offsets value Δ G
The low weighing deviation leading to, because weigh belt hostdown lead to addition of amount change, because weigh belt deviation or card foreign body etc.
The weighing deviation leading to, the actual material leading to that goes wrong because of belt speed measuring device are with addition of amount change, because of raw meal particle size, water
Point, density etc. when changing actual material change with addition of amount, because of feed bin discharge hole size variation or discharging opening blocking foreign body etc.
The weighing error that reason occurs, prevents actual material with addition of amount change, proportioning accuracy is effectively ensured.By real-time offsets value Δ G
Change monitoring can substitute heavy artificial running disk operation, the time that judges is short, high precision, manual labor amount are low.
Claims (2)
1. a kind of quick judgement apron feeder be fed precision method it is characterised in that：
Comprise the following steps：
Step 1：Measurement for Inverter is in standard output frequency FXWhen standard belt T service cycleX；
Step 2：It is calculated converter in standard output frequency FXWhen standard belt speed of service VX=C/TX, C is belt week
Long；
Step 3：Collection converter is running output frequency F, calculates belt speed of service V=F*V of converterX/ FX；
Step 4：Weight of material G on silverskin band when weighing normal feedRice；
Step 5：Calculate theoretical value G of weight of materialTheoretical=GRice*V；
Step 6：Collection weighing data GClaim；
Step 7：Feed deviation delta G=G is calculated and be shownClaim-GTheoretical.
2. quick judgement apron feeder according to claim 1 is fed the method for precision it is characterised in that also including reporting
Alert step：Judge to be fed whether deviation trusts interval beyond default fluctuation；If it is, alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731520.9A CN106404436A (en) | 2016-08-26 | 2016-08-26 | Method for determining feeding precision of belt type feeder rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731520.9A CN106404436A (en) | 2016-08-26 | 2016-08-26 | Method for determining feeding precision of belt type feeder rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404436A true CN106404436A (en) | 2017-02-15 |
Family
ID=58004520
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731520.9A Withdrawn CN106404436A (en) | 2016-08-26 | 2016-08-26 | Method for determining feeding precision of belt type feeder rapidly |
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| Country | Link |
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| CN (1) | CN106404436A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777292A (en) * | 2017-10-10 | 2018-03-09 | 龙岩烟草工业有限责任公司 | Belted electronic balance operating state monitoring system, method and tobacco system of processing |
| CN108871542A (en) * | 2018-09-21 | 2018-11-23 | 龙岩烟草工业有限责任公司 | For monitoring the methods, devices and systems of weighing belt accuracy |
| CN110806256A (en) * | 2019-11-22 | 2020-02-18 | 四川中烟工业有限责任公司 | Online real-time calculation and judgment method for electronic belt scale |
| CN110849460A (en) * | 2019-12-16 | 2020-02-28 | 龙岩烟草工业有限责任公司 | Precision detection device, humectant preparation system and precision detection method |
| CN112577586A (en) * | 2020-10-19 | 2021-03-30 | 邯郸钢铁集团有限责任公司 | Material object scale correcting method for belt electronic scale of disc feeder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012253A (en) * | 2010-11-18 | 2011-04-13 | 江苏赛摩集团有限公司 | High-precision belt weighing device |
| CN102169011A (en) * | 2010-12-31 | 2011-08-31 | 上海发电设备成套设计研究院 | Method of hanging weight calibration and error automatic correction for increasing metering precision of electric weighing coal feeder |
| CN103471698A (en) * | 2013-10-08 | 2013-12-25 | 莱芜钢铁集团有限公司 | Checking method for electronic belt scale |
| CN103900674A (en) * | 2012-12-28 | 2014-07-02 | 山东中烟工业有限责任公司青岛卷烟厂 | Accuracy judging method of weighing system composed of multiple electronic belt scales |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
| CN105523368A (en) * | 2015-12-31 | 2016-04-27 | 中国神华能源股份有限公司 | Full-automatic tippler feeding method and system |
-
2016
- 2016-08-26 CN CN201610731520.9A patent/CN106404436A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012253A (en) * | 2010-11-18 | 2011-04-13 | 江苏赛摩集团有限公司 | High-precision belt weighing device |
| CN102169011A (en) * | 2010-12-31 | 2011-08-31 | 上海发电设备成套设计研究院 | Method of hanging weight calibration and error automatic correction for increasing metering precision of electric weighing coal feeder |
| CN103900674A (en) * | 2012-12-28 | 2014-07-02 | 山东中烟工业有限责任公司青岛卷烟厂 | Accuracy judging method of weighing system composed of multiple electronic belt scales |
| CN103471698A (en) * | 2013-10-08 | 2013-12-25 | 莱芜钢铁集团有限公司 | Checking method for electronic belt scale |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
| CN105523368A (en) * | 2015-12-31 | 2016-04-27 | 中国神华能源股份有限公司 | Full-automatic tippler feeding method and system |
Non-Patent Citations (1)
| Title |
|---|
| 饶向明等: "定量给料机在线校准和在线监控", 《衡器》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777292A (en) * | 2017-10-10 | 2018-03-09 | 龙岩烟草工业有限责任公司 | Belted electronic balance operating state monitoring system, method and tobacco system of processing |
| CN108871542A (en) * | 2018-09-21 | 2018-11-23 | 龙岩烟草工业有限责任公司 | For monitoring the methods, devices and systems of weighing belt accuracy |
| CN108871542B (en) * | 2018-09-21 | 2020-09-01 | 龙岩烟草工业有限责任公司 | Method, device and system for monitoring accuracy of belt scale |
| CN110806256A (en) * | 2019-11-22 | 2020-02-18 | 四川中烟工业有限责任公司 | Online real-time calculation and judgment method for electronic belt scale |
| CN110806256B (en) * | 2019-11-22 | 2021-07-27 | 四川中烟工业有限责任公司 | Online real-time calculation and judgment method for electronic belt scale |
| CN110849460A (en) * | 2019-12-16 | 2020-02-28 | 龙岩烟草工业有限责任公司 | Precision detection device, humectant preparation system and precision detection method |
| CN110849460B (en) * | 2019-12-16 | 2024-04-02 | 龙岩烟草工业有限责任公司 | Precision detection device, humectant modulation system and precision detection method |
| CN112577586A (en) * | 2020-10-19 | 2021-03-30 | 邯郸钢铁集团有限责任公司 | Material object scale correcting method for belt electronic scale of disc feeder |
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Application publication date: 20170215 |