CN103335702A - Fast calibrating method applicable to disc feeder - Google Patents
Fast calibrating method applicable to disc feeder Download PDFInfo
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- CN103335702A CN103335702A CN2013102559684A CN201310255968A CN103335702A CN 103335702 A CN103335702 A CN 103335702A CN 2013102559684 A CN2013102559684 A CN 2013102559684A CN 201310255968 A CN201310255968 A CN 201310255968A CN 103335702 A CN103335702 A CN 103335702A
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- value
- mean value
- disk feeder
- disk
- fed amount
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Abstract
The invention discloses a fast calibrating method applicable to a disc feeder. The fast calibrating method applicable to the disc feeder comprises the following steps: determining an original k value k0; calculating a theoretical measured value Mt of each material; measuring the average value Ma of actual conveying amounts of all the materials; calculating a new k value k1 by using the equation that k1 is equal to {1+ [(Ma-Mt)*4/ 5]/Mt}*k0; controlling the disc feeder by using the new k value k1.
Description
Technical field
The present invention relates to a kind of quick school for disk feeder and claim method, specifically, the present invention relates to a kind of disk feeder batching speed of just expressing one's gratification that can make and demarcate, thereby make the quick school for disk feeder of production material fast and stable claim method.
Background technology
In the industrial processes such as sintered material, use usually various feeding devices with different mass transport to production equipment.For example, can use disk feeder to provide various SINTERING PRODUCTION materials to sintering machine.
The major function of disk feeder is to provide the supply of material thing to other equipment; thereby using disk feeder can allow material enter an equipment uniformly allows the next process can operate as normal; save the labour, and protected the performance of equipment, prolong the serviceable life of whole production line equipment.
Disk feeder has integrated disc portions and belt part usually, and wherein, integrated disc portions rotation is so that material distributes equably, and the mass transport that belt part will distribute from integrated disc portions is to production equipment.Usually, in belt part burden balance are set, with the weight of weighing by the material of belt conveying.In addition, by regulating rotational speed and the belt speed of disk, can change the amount of the material of unit interval conveying.
Be example with the sintering machine, for new sintering machine or through the sintering machine after the overhaul, because choosing reference value when the actual value of device parameter (resistance, rotating speed, real tare, actual resistance, equipment pressurized, running loss etc.) and design there are differences, in order to satisfy situ metrology scale and the consistance that requires feeding coal, reach stable material, realize the purpose of the chemical constitution fast and stable that sintering deposit requires, need carry out the school to its disk feeder and claim operation.Usually, claim in the process in the school, adopt and use earlier the chain code nominal, constantly revise, reach displayed value with consistent by chain code weight.Then, carry out materials calibration again, begin idling lotus race zero earlier, select the quantity of goods produced that needs to carry out repeatedly artificial race again and coil weighing demarcation in kind, in calibration process, constantly carry out the modification of correction factor, be worth basically identical up to variable and manual weighing.Above-mentioned school claims process can continue the time in an about week usually.Yet, owing to claim that in the school utilization factor of sintering machine is low in the process, therefore can prolong and reach the product time, and the school claims that the chemical component fluctuation of the sintering deposit product in the process is also bigger.
Summary of the invention
The object of the present invention is to provide a kind of disk feeder batch weigher that can make to demarcate fast, thereby make the quick school that is used for disk feeder of production material fast and stable claim method.
To achieve these goals, an aspect of of the present present invention provides a kind of quick school for disk feeder to claim method, and this method comprises the steps: to determine former k value k
0Calculate the theoretical measured value M of every kind of material
tMeasure the mean value M of every kind of material actual fed amount
aEquation below utilizing calculates new k value k
1, k
1={ 1+[(M
a-M
t) * 4/5]/M
t} * k
0Then, utilize new k value k
1Control disk feeder, wherein, the range correction factor that the k value representation claims.
According to an aspect of the present invention, at the mean value M that measures every kind of material actual fed amount
aStep in, can be by every kind of material manually being run 10 meters on dish, and repeatedly measure the mean value that each measurement result is calculated in the back, obtain the mean value M of every kind of material actual fed amount
a
According to an aspect of the present invention, at the mean value M that measures every kind of material actual fed amount
aStep in, the charging tray of be used for measuring is of a size of: long 500mm or 1000mm * wide 400mm～500mm * high 30mm～50mm.Wherein, the wide of charging tray can be 60% of corresponding belt width.
According to an aspect of the present invention, in the process of adjusting disk feeder, can be set to maximum constant speed by belt speed, and regulate the rotating speed of disk, thereby realize the control to feeding coal.
Embodiment
With reference to exemplary embodiment the present invention is described in more detail below.Yet, only provide following illustrative embodiment with illustrative meaning, rather than for restriction purpose of the present invention.On the contrary, provide these exemplary embodiments to make that the disclosure will be completely with complete, and will fully convey to those skilled in the art to scope of the present invention.
According to one embodiment of present invention, the quick school for disk feeder claims method to comprise the steps: to determine former k value k
0Calculate the theoretical measured value M of every kind of material
tMeasure the mean value M of every kind of material actual fed amount
aEquation 1 below utilizing calculates new k value k
1Then, utilize new k value k
1Control disk feeder.For example, according to one embodiment of present invention, can be with new k value k
1Importing computer-controlled k value hurdle controls automatically.
k
1={ 1+[(M
a-M
t) * 4/5]/M
t} * k
0Equation 1
Here, the range correction factor of the every platform balance of k value representation (just weighing value in kind and the slope relation of measuring displayed value), because equipment pressurized, running loss etc. can cause that the tare weight of scale changes, cause change the zero point of scale, for making the operator easy to adjust, when programmed control designs, chosen range correction factor k value, when the displayed value of scale and weighing in kind are worth when inconsistent, only need in programmed control, carry out the correction of k value, the correction principle be displayed value less than weighing value in kind, the k value is to little correction, otherwise, otherwise.
After the scale installation, rule of thumb choose earlier a range correction factor k value, adopt program to revise the control mode of range correction factor k value automatically simultaneously, again with chain code or choose certain quantity of goods produced and demarcate, measured value up to scale is consistent with chain code or value in kind, and the range correction factor k value of this moment is the original k value of this scale;
1, the original value of k value draws according to the chaining sign indicating number.
K value=(measured value of ∑ actual value (chain code gravimetric value)/∑ scale) * 100
∑: the accumulated value in a school scale cycle
The k value of actual participation burdening calculation=(measured value of ∑ actual value (chain code gravimetric value)/∑ scale).
K value when 2, manually running plate is revised: correct k value=platform balance value/picture displayed value.The manual correction k value number that adds deduct so is till the use k of picture value conforms to correct k value.
The theoretical measured value M of every kind of material
tCan calculate through theory according to situations such as the active constituent content of the output of target production equipment and material, losses.k
0And M
tDetermine it is known for those skilled in the art, therefore for for the purpose of concise and to the point, here will no longer be repeated in this description.
Every kind of material actual fed amount can be measured by artificial race dish.For example, can coil 10 meters by every kind of material is manually run, and repeatedly measure the mean value that each measurement result is calculated in the back, thereby obtain the mean value M of every kind of material actual fed amount
aArtificial race dish carries out measurement in kind and can adopt single fixed point to put dish (because everyone race dish mode difference, choose the difference of disk reference point, for keeping the consistance of race dish, need to carry out the one-man service and put dish, fixed point be exactly one to four point of fixity choosing disk aim at begin the race dish) mode control, the size of the charging tray of artificial race dish can be 500(1000) the wide 400～500mm of (long 500mm or 1000mm) mm * 400～500mm(, satisfying the disk blanking can connect entirely in the transversal section, be generally corresponding belt width 60%) * 30～50mm(height), and can revise by 4/5 of departure.
In this embodiment, 4/5 correction is that expression is revised 4/5 amount of the deviation of weighing value in kind and scale displayed value (measured value), for example, setting value (measured value) is 5kg/m, scale weighing value in kind is 4.5kg/m, its deviation-0.5kg/m, correction is-0.4kg/m to calculate the k value k that makes new advances by equation 1
1, again new k value k
1Being input to computer-controlled k value hurdle controls automatically.Carry out weighing in kind again, repeatedly revise by this way, substantially through 2～5 times, just can realize that weighing in kind is consistent with the computer controlled measurement displayed value, adopt the method to shorten the nominal time of every platform balance greatly, for stable sintering materials flow amount and sintering deposit chemical constitution have shortened the adjustment time, for reaching fast of sintering machine produced the condition of having created of imitating that reaches.
According to one embodiment of present invention, in the process of adjusting disk feeder, belt speed is set to maximum constant speed, and regulates the rotating speed of disk, thereby realizes the control to feeding coal.
With reference to concrete example the present invention is described in more detail below.
Comparative examples 1, comparative examples 2 and example 1 are respectively newly-built new sintering machines.Wherein, comparative examples 1 and comparative examples 2 adopts original school to claim method to demarcate, and example 1 adopts according to an exemplary embodiment of the present invention that the school claims method to demarcate.The design objective of the sintering machine that following table 1 and table 2 show comparative examples 1, comparative examples 2 and example 1 is respectively produced 15 days contrast and 15 days contrast of coefficient of stabilization production.
Table 1 design objective is produced 15 days contrast
Table 2 coefficient of stabilization is produced 15 days contrast
By comparing comparative examples 1, comparative examples 2 and example 1, the school of the sintering machine of comparative examples 1 claims to demarcate the time of using 7 days, and the school of the sintering machine of comparative examples 2 claims to demarcate the time of using 5 days.In addition, during the school claimed to demarcate, the production level of sintering machine was low, and the chemical component fluctuation of sintering deposit is big, and the usage factor of sintering machine is at 1.0t/m
2About h, with design level 1.3t/m
2The h gap is big, has prolonged the product time that reaches simultaneously.For example, the sintering machine of comparative examples 1 just reached product in 6 months, and the sintering machine of comparative examples 2 reached product in 15 days.And the school of the sintering machine of example 1 claims to demarcate the time of only using 1 day, has realized the quick demarcation of burden balance and the fast and stable of SINTERING PRODUCTION material, and the productivity of sintering machine of the sintering machine of example 1 only uses and namely reached 1.3t/m in 3 days
2The design level of h.Therefore, realize reaching fast product according to the sintering machine of example 1 of the present invention, improved product quality level, and can reduce the sintering cost.In addition, the quick school for disk feeder of the present invention claims disturbance and the hysteresis that method can reduce adjustment process, thereby further improves demarcation speed and control accuracy.
Described and shown the present invention in detail with reference to certain embodiments, yet those of ordinary skills are to be understood that, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes on form and the details to these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (5)
1. a quick school that is used for disk feeder claims method, and this method comprises the steps:
Determine former k value k
0
Calculate the theoretical measured value M of every kind of material
t
Measure the mean value M of every kind of material actual fed amount
a
Utilize equation k
1={ 1+[(M
a-M
t) * 4/5]/M
t} * k
0Calculate new k value k
1
Then, utilize new k value k
1Control disk feeder,
Wherein, the range correction factor that claims of k value representation.
2. the method for claim 1, wherein at the mean value M that measures every kind of material actual fed amount
aStep in, every kind of material is manually run 10 meters on dish, and repeatedly measures the mean value that each measurement result is calculated in the back, obtain the mean value M of every kind of material actual fed amount
a
3. the method for claim 1, wherein at the mean value M that measures every kind of material actual fed amount
aStep in, the charging tray of be used for measuring is of a size of: long 500mm or 1000mm * wide 400mm～500mm * high 30mm～50mm.
4. method as claimed in claim 3, wherein, the wide of charging tray is 60% of corresponding belt width.
5. the method for claim 1, wherein in adjusting the process of disk feeder, belt speed is set to maximum constant speed, and regulates the rotating speed of disk, thereby realizes the control to feeding coal.
Priority Applications (1)
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|---|---|---|---|
| CN201310255968.4A CN103335702B (en) | 2013-06-25 | 2013-06-25 | Quick school for disk feeder claims method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255968.4A CN103335702B (en) | 2013-06-25 | 2013-06-25 | Quick school for disk feeder claims method |
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| Publication Number | Publication Date |
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| CN103335702A true CN103335702A (en) | 2013-10-02 |
| CN103335702B CN103335702B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113939717A (en) * | 2019-09-17 | 2022-01-14 | 休特林有限责任公司 | Method for dosing target components |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191543A (en) * | 1989-10-21 | 1993-03-02 | Sartorius Ag | Electronic balance with calibrating device |
| CN101922960A (en) * | 2009-06-12 | 2010-12-22 | 铜陵市三爱思电子有限公司 | Method and device for metering belt conveyor for weighing continuous balk cargo |
| 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 |
| CN102494753A (en) * | 2011-11-25 | 2012-06-13 | 云南建水锰矿有限责任公司 | Method for calibrating electronic belt scale |
-
2013
- 2013-06-25 CN CN201310255968.4A patent/CN103335702B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191543A (en) * | 1989-10-21 | 1993-03-02 | Sartorius Ag | Electronic balance with calibrating device |
| CN101922960A (en) * | 2009-06-12 | 2010-12-22 | 铜陵市三爱思电子有限公司 | Method and device for metering belt conveyor for weighing continuous balk cargo |
| 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 |
| CN102494753A (en) * | 2011-11-25 | 2012-06-13 | 云南建水锰矿有限责任公司 | Method for calibrating electronic belt scale |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113939717A (en) * | 2019-09-17 | 2022-01-14 | 休特林有限责任公司 | Method for dosing target components |
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|---|---|
| CN103335702B (en) | 2015-12-02 |
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