CN101398327B - On-line matter verifying device and method for belt feed weigher - Google Patents
On-line matter verifying device and method for belt feed weigher Download PDFInfo
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- CN101398327B CN101398327B CN2008103055320A CN200810305532A CN101398327B CN 101398327 B CN101398327 B CN 101398327B CN 2008103055320 A CN2008103055320 A CN 2008103055320A CN 200810305532 A CN200810305532 A CN 200810305532A CN 101398327 B CN101398327 B CN 101398327B
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Abstract
The invention discloses a belt feeding balance online object calibration device with simple operation and a method; the device comprises a static weighing device which is arranged in arranged in a free suspension state; the material inlet of the static weighing device is communicated with the a material storage bin; the material outlet of the static weighing device is arranged above a belt feeding balance; the static weighing device used in the calibration method is arranged in the free suspension state, the material inlet of the static weighing device is communicated with the material storage bin; and the material outlet of the static weighing device is arranged above the belt feeding balance. The calibration device and the method calibrate the static weighing device firstly carry out the online object calibration on the belt feeding balance by the static weighing device, solve the problem that the material supply of a calciner which is affected by the belt feeding balance online calibration, improve the calibration precision, and can be widely applied to the online object calibration of various belt feeding machines.
Description
Technical field
The present invention relates to a kind of physical goods inspection method and device of belt feed weigher, online matter verifying device of especially a kind of belt feed weigher and method.
Background technology
At present, belt feed weigher is widely used in all trades and professions as a kind of dynamic conveying and metering equipment, and its effect of occasion of accurately controlling material blanking amount at needs is particularly outstanding.
In Aluminium Electrolysis, the raw material calcining is one of very important flow process during carbon element is produced, and calcining gained after-smithing petroleum coke directly influences and determining the quality of anode, and then has influence on the production operation and the economic benefit of electrolytic tank.Belt feed weigher is used in the preceding blanking of forging of calcining kiln, and the material bin feed opening is arranged on the belt feed weigher top, controls the blanking amount by the rotating speed of regulating belt feed weigher, and simultaneously, belt feed weigher adds up the blanking amount; Forge the back discharging and use belt conveyer scale, belt conveyer scale adds up during to discharging, thereby provides foundation for technology controlling and process.If the belt feed weigher weighing of feed is inaccurate before forging, there is big gap between its metering result and the actual blanking amount, and blanking amount instability just is difficult to play the effect of technology controlling and process, can not provide reliable foundation for the cost accounting and the casting yield examination of workshop; If the feed error has exceeded the scope of technological requirement, will directly influence follow-up operating mode, cause that the petroleum coke recovery is low, smoke discharge amount exceeds standard, environmental protection can not be up to standard etc. a series of consequences.
In order to guarantee the measuring accuracy of belt feed weigher, need carry out periodic check to belt feed weigher.Because general counterweight and chain code can't be simulated the uniformity coefficient of actual material blanking to the impact and the material distribution of sensor, comprise the factors such as influence of the adhesion of material to the belt tare weight, the general method of using counterweight verification, chain code check to be aided with physical goods inspection is carried out verification, stability and accuracy in using so that check gauging equipment is actual.
The metering range of belt feed weigher is bigger, and therefore, the quality in kind that physical goods inspection uses can not be too little, generally at least about one ton.Existing physical goods inspection method is performed such: earlier with the material emptying on the belt feed weigher, then, the belt feed weigher rotation that remains a constant speed, and put down about one ton material to belt feed weigher from material bin, but this batch materials can not carry out calcining kiln, but unload to vacant lot by the belt feed weigher counter-rotating, then, good static weighing device carries out weighing to this batch materials to utilize demarcation, the cumulative amount difference of putting on the mass value that records and the belt feed weigher before and after this batch materials is checked, belt feed weigher is revised.Not only labour intensity is big for this kind physical goods inspection method, and consuming time longer, and the calcinator feed interrupts in the checking procedure, and whole calcine technology is had considerable influence.Simultaneously, also there is the imperfect factor that influences the verification accuracy that waits of material collection in this kind physical goods inspection method.
Summary of the invention
In order to overcome the existing unhandy deficiency of physical goods inspection method, technical matters to be solved by this invention provides online matter verifying device of a kind of belt feed weigher easy and simple to handle and method.
The technical solution adopted for the present invention to solve the technical problems is: the online matter verifying device of belt feed weigher, comprise the static weighing device, described static weighing device is for freely being suspended on the hopper on the material bin by four LOAD CELLS, the charging aperture of hopper is communicated with material bin, the hopper feed mouth is arranged on the bulkhead of material bin, the discharging opening of hopper is positioned at the belt feed weigher top, and hopper feed mouth and hopper discharging opening are provided with flashboard to be opened/closed.
The invention has the beneficial effects as follows: the static weighing device is set between material bin and belt feed weigher, this static weighing device can freely be suspended on the material bin, therefore, can the original place be demarcated by the static weighing device, thereby can utilize this static weighing device that belt feed weigher is carried out verification easily; And, the material object of verification directly enters calcinator by belt feed weigher, the time that need stop feed to calcinator in the process of belt feed weigher verification shortens greatly, therefore, to the almost not influence of whole calcine technology, having solved the belt feed weigher on-line testing influences the problem of calcinator feed, has also improved checking precision.
Description of drawings
Fig. 1 is a synoptic diagram of the present invention.
Be labeled as 1-belt feed weigher, 2-material bin, 3-hopper, 4-LOAD CELLS, 5-flashboard, 6-counterweight hook, 20-bulkhead, 21-material bin feed opening, 22-material bin feed opening flashboard, 30-hopper feed mouth, 31-hopper discharging opening among the figure.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1, the online matter verifying device of belt feed weigher of the present invention comprises the static weighing device, and described static weighing device is in free suspension status, the charging aperture of static weighing device is communicated with material bin 2, and the discharging opening of static weighing device is positioned at belt feed weigher 1 top.
Setting is in the static weighing device of free suspension status between material bin and belt feed weigher, so that the static weighing device is demarcated, utilizes this static weighing device that belt feed weigher is carried out verification again; And, after weighing, the material object of verification directly sends into calcinator by belt feed weigher in the static weighing device, therefore operation is very easy, simultaneously the time that calcinator stops feed in the checking procedure foreshortens to a few minutes by dozens of minutes, to the almost not influence of whole calcine technology, having solved the belt feed weigher on-line testing influences the problem of calcinator feed, and blanking in kind is the practical work process of simulation belt feed weigher in the verification, and checking precision has also improved.
For convenience employed static weighing device is demarcated and verification, described static weighing device freely is suspended on the material bin 2 by LOAD CELLS 4, and like this, the static weighing device just can be demarcated by standard test weight under the situation that does not change the position.
In order to make freely hanging of compact conformation and convenient realization static weighing device, described static weighing device is a hopper 3, hopper feed mouth 30 is set directly on the bulkhead 20 of material bin 2, and hopper feed mouth 30 and hopper discharging opening 31 are provided with flashboard 5 to be opened/closed.
In order to carry out verification exactly, hopper discharging opening 31 is arranged on material bin discharging opening 21 bulkhead 20 before, like this, the material object that is used for verification in the hopper 3 from hopper 3 come out the back still by material bin discharging opening 21 times to belt feed weigher 1, simulated the actual working state of belt feed weigher 1 better.
In addition, as shown in Figure 1,, can be provided with counterweight hook 6 in hopper 3 bottoms for convenience to the proving operation of hopper 3.Counterweight hook 6 can be arranged on four jiaos of hopper 3.
In order exactly hopper 3 to be carried out proving operation, described LOAD CELLS 4 has four, its range 〉=1t.LOAD CELLS 4 also is arranged on four jiaos of hopper 3.
The online physical goods inspection method of belt feed weigher of the present invention comprises the steps: material on the emptying belt feed weigher 1, record belt feed weigher cumulative amount at this moment; The static weighing device is demarcated; Close material bin feed opening 21, the material object that verification is used is put into the static weighing device by material bin 2, material object is weighed by the static weighing device; Belt feed weigher 1 uniform rotation in kind is carried out blanking by being released in the static weighing device on the belt feed weigher 1, treat emptying in kind after, the belt feed weigher cumulative amount of record this moment; Quality in kind and belt feed weigher cumulative amount that comparison static weighing device weighs are poor, belt feed weigher 1 is revised, described static weighing device is in free suspension status, the charging aperture of static weighing device is communicated with material bin 2, and the discharging opening of static weighing device is positioned at belt feed weigher 2 tops.
As for the calibration process of static weighing device, and the checking procedure of belt feed weigher, all be those skilled in the art the conventional knowledge that should understand, do not repeat them here.
Embodiment:
As shown in Figure 1, material bin discharging opening 21 when material bin 2 is provided with ordinary production, material bin discharging opening flashboard 22 can be used for cutting out material bin discharging opening 21, offers hopper feed mouth 30 from the bulkhead 20 of material bin 2, install manual flashboard 5, be convenient to the material object that verification uses and enter in the hopper 3; On the bulkhead 20 of material bin discharging opening 21 sidepieces, offer hopper discharging opening 31, install manual flashboard 5, be convenient to from hopper 5 blankings to belt feed weigher 1; Hopper 3 freely is suspended on the material bin 2 by four LOAD CELLS 4, in order to avoid the influence accuracy of weighing, is provided with counterweight hook 6 at hopper 3 bottoms four jiaos.
The accuracy of weighing when guarantee demarcating hopper 3, when the static counterweight verification of making hopper 3, at four jiaos of counterweights of hanging Different Weight, and whether with LOAD CELLS 4 meter readings consistent, weighting error during with verification hopper centre-of gravity shift if checking institute's extension counterweight weight.
Hopper 3 cuts out material bin discharging opening flashboard 22 after demarcating well, the material on the emptying belt feed weigher 1, record belt feed weigher cumulative amount at this moment; Open hopper feed mouth 30, material object is put into the static weighing hopper weigh, open hopper discharging opening 31 then; Start belt feed weigher 1 and make its rotation that remains a constant speed, the belt feed weigher 1 of evenly putting in kind in the hopper 3 has also been put the material object of hopper 3 as far as possible, on the emptying belt feed weigher 1 behind the material, stop belt feed weigher 1, record belt feed weigher cumulative amount at this moment, relatively the cumulative amount of the withdrawal rate of hopper 3 and belt feed weigher 1 front and back is poor, and belt feed weigher 1 is revised.
Claims (4)
1. the online matter verifying device of belt feed weigher, comprise the static weighing device, it is characterized in that: described static weighing device is for freely being suspended on the hopper (3) on the material bin (2) by four LOAD CELLS (4), the charging aperture of hopper (3) is communicated with material bin (2), hopper feed mouth (30) is arranged on the bulkhead (20) of material bin (1), the discharging opening of hopper (3) is positioned at belt feed weigher (1) top, and hopper feed mouth (30) and hopper discharging opening (31) are provided with flashboard to be opened/closed (5).
2. the online matter verifying device of belt feed weigher as claimed in claim 1 is characterized in that: hopper discharging opening (31) is arranged on material bin discharging opening (21) bulkhead (20) before.
3. the online matter verifying device of belt feed weigher as claimed in claim 1 or 2 is characterized in that: hopper (3) bottom is provided with counterweight hook (6) for four jiaos.
4. the online matter verifying device of belt feed weigher as claimed in claim 1 or 2 is characterized in that: the range 〉=1t of described LOAD CELLS (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103055320A CN101398327B (en) | 2008-11-13 | 2008-11-13 | On-line matter verifying device and method for belt feed weigher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103055320A CN101398327B (en) | 2008-11-13 | 2008-11-13 | On-line matter verifying device and method for belt feed weigher |
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| Publication Number | Publication Date |
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| CN101398327A CN101398327A (en) | 2009-04-01 |
| CN101398327B true CN101398327B (en) | 2010-06-30 |
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| CN2008103055320A Active CN101398327B (en) | 2008-11-13 | 2008-11-13 | On-line matter verifying device and method for belt feed weigher |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376153B (en) * | 2012-04-25 | 2016-01-20 | 软控股份有限公司 | Material checks weighing technique and device thereof |
| CN107192435B (en) * | 2017-06-16 | 2023-08-08 | 山东钢铁股份有限公司 | Checking device and checking method for electronic belt scale |
| CN109489792A (en) * | 2017-09-11 | 2019-03-19 | 南京梅山冶金发展有限公司 | A kind of feed proportioning precision on-line monitoring method |
| CN108047973B (en) * | 2017-12-08 | 2020-06-30 | 四川南格尔生物科技有限公司 | Anti-pollution device and method for bonding assembly |
| CN109724683A (en) * | 2019-01-09 | 2019-05-07 | 盈奇科技（深圳）有限公司 | A kind of system and method improving gravity sensing precision |
| CN115876298A (en) * | 2021-09-29 | 2023-03-31 | 梅特勒-托利多(常州)精密仪器有限公司 | Non-alternative calibration method for weighing system of charging bucket scale |
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