CN1073695C - Method for metering storage in stock-bin and its apparatus - Google Patents
Method for metering storage in stock-bin and its apparatus Download PDFInfo
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- CN1073695C CN1073695C CN 95108210 CN95108210A CN1073695C CN 1073695 C CN1073695 C CN 1073695C CN 95108210 CN95108210 CN 95108210 CN 95108210 A CN95108210 A CN 95108210A CN 1073695 C CN1073695 C CN 1073695C
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- storehouse
- microcomputer
- bin
- feed bin
- feeding
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Abstract
The present invention relates to a method for detecting the quantity of stored materials in a storage bin, which is suitable for various bulk raw materials, materials with poor fluidity and storage bins with various structural shapes at a temperature of 200 DEG C. After the quantity of the stored materials and the capability of material charging and discharging equipment of the storage bin are calibrated when each storage bin is full, material flow of the high working material level and the material charging and discharging material equipment of the storage bin are detected by taking a plurality of probes as detecting elements. According to the operating time of the material charging and discharging equipment of the storage bin and unloading devices, the timely quantity of the stored materials in the storage bin is determined by a microcomputer according to a specific formula, the deflection occurring in operation can be automatically corrected, and corresponding signals are emitted when various set material levels are reached.
Description
The present invention relates to a kind of method and apparatus that detects feed bin bin stock amount.Be specially adapted to a large amount of factories that use various bulk materials such as metallurgy, chemical industry, electric power, building materials, feed bin bin stock amount and material level detected, with each feed bin bin stock amount of correct grasp.
General known material level detection method mainly contains ocular estimate, weight probe method, supercritical ultrasonics technology, radioisotope method, capacitance method etc., and in metallurgical works use at present mainly is preceding two kinds of methods.Range estimation is original, the most coarse method, can not carry out automation mechanized operation; The weight probe method because the weight of detector is to be contained in the feed bin, when the feed bin input and output material, easily buries the hammer accident.Open a mine clear 51-97468 and the clear 51-102870 of Te Kai of Japanese patent specification spy discloses a kind of detection method and device of groove bin stock amount, though the weight fixed position of former weight method surveyed to become is contained on the delivery device, regularly survey when discharging, detecting location improves to some extent, and it is more accurate to survey; But fundamentally do not solve the hammer problem of burying, particularly, still inapplicable for moisture height, mobile relatively poor raw material (as fine ore).
The purpose of this invention is to provide a kind of feed bin bin stock quantity measuring method and device, it not only is applicable to the feed bin of various bulk materials and different shape, also can be used for the thermal material of temperature≤200 ℃ and the material of mobile difference, and avoided burying the hammer phenomenon, both can independently use, also can participate in the automatic control of technological process with PC and computer networking.
Technical scheme of the present invention is: first link, the ability of bin stock amount when each feed bin is bought securities with all one's capital and feed bin input and output material equipment is demarcated.Second link is detecting element with a plurality of probes, and the materials flow on the apparatus for feeding on work high charge level and the storehouse, the materials flow on the storehouse bottom discharge equipment are detected.The 3rd link can obtain activity duration of apparatus for feeding and storehouse bottom discharge equipment and storehouse loading and unloading material device on the storehouse from electric low-voltage distribution panel.Testing result according to these three links is by formula accumulated computing through microcomputer, obtains in good time bin stock amount in the feed bin.
Feed bin bin stock quantity measuring method provided by the invention and device, not only having proposed a kind of is the detection method of foundation with the accumulation computing, and to adopt a plurality of probes be detecting element, fundamentally solved the hammer problem of burying and scope of application problem that known weight probe method and Japanese patent specification spy open clear 51-97468 and the disclosed probe method of the clear 51-102870 of Te Kai.Both can independently use, accurately grasp in good time bin stock amount in the various feed bins, realize the remote control centralized operation; Also can with the mass computing interconnect plane, thereby simplified stock control of many warehouses and Remote Control Automaticization operation steps.Installation, maintenance during use, debugging are all simpler, and volume is little, cost is low, is easy to promote.
Be that example elaborates to invention to scheme below:
Fig. 1-system and device figure;
What Fig. 1 represented is the total system device.1 is feed bin among the figure, and 2 is apparatus for feeding, and 3,4 is discharger, and 5 are discharging equipment, and 6,7,8,9 are probe, and 10 is the former point device of feed system, and 11 is the microcomputer arithmetic element.
After the ability of bin stock amount when each feed bin 1 is bought securities with all one's capital and feed bin apparatus for feeding 2, discharging equipment 5 is demarcated, with a plurality of probes 6,7,8,9 is detecting element, to the materials flow on the apparatus for feeding 2 on work high charge level and the storehouse, the materials flow on the storehouse bottom discharge equipment 5 detects; Promptly probe 7 is installed at feed bin 1 inner top, 8 (quantity is counted identical with discharging), in order to detect the high charge level (or delivery device transposition material level) of working in the storehouse, each installs probe 6 and 9 on apparatus for feeding on the storehouse 2 and storehouse bottom discharge equipment 5, respectively in order to detect input and output material equipment 2, whether material is arranged on 5, these probes 6,7,8, the 9 passive contact point signals that send, give microcomputer 11 by transmission cable, and the start-stop signal of apparatus for feeding 2 on the storehouse, discharger 3,4 location or working state signal, the start-stop signal of storehouse bottom discharge equipment 5 etc. all can obtain from the contactor of electric low-voltage distribution panel, and sends microcomputer 11 to cable.
Obtain whole signals (comprising the initiating signal of apparatus for feeding 2, the positioning signal of materials flow signal, discharger 3,4 working signals or portable delivery device on the apparatus for feeding 2) of charging on the storehouse when microcomputer 11 after, then just bright at the pilot lamp of charging, microcomputer 11 beginning computings simultaneously, and show bin stock amount in the storehouse continuously with the step-length of X second, this value reaches 95% o'clock time-out computing of the value of buying securities with all one's capital, waiting obtains popping one's head in sends work high charge level signal after signal is expired in 8 storehouses of sending, and shows the bin stock amount of buying securities with all one's capital of having demarcated after the time-delay several seconds.
Obtain whole signals (comprising the initiating signal of discharging equipment 5 and the materials flow signal on the discharging equipment 5) of storehouse bottom discharge when microcomputer 11 after, then just bright at the pilot lamp of discharging, microcomputer 11 beginning computings simultaneously, and show bin stock amount in the storehouse continuously with the step-length of X second, through after the discharging repeatedly, when bin stock amount in the storehouse reach the value of buying securities with all one's capital 1/4 the time, the low material level signal (being the charging signal) of the work of sending; Reach 1/5 o'clock of the value of buying securities with all one's capital, send the low material level signal (promptly stopping the signal of discharging) of the limit.
When microcomputer 11 obtains whole signals of charging and discharging simultaneously, then the input and output material pilot lamp is all bright, microcomputer 11 beginning computings, and show bin stock amount in the storehouse continuously.
In microcomputer 11 courses of work, just the arbitrary signal in whole signals of charging (during as two emptying points, first loading and unloading material device location, emptying point or working signal except) interrupts, and then the charging computing stops; The arbitrary signal interruption in whole signals of discharging just, then the computing of discharging stops, and in the above two kinds of cases, sends mechanical disorder in the microcomputer and reports to the police.
When microcomputer 11 obtains the initiating signal of storehouse bottom discharge equipment 5, but do not obtain or interrupted materials flow signal on the discharging equipment 5, and when the bin stock amount was on the low material level of work in the storehouse, microcomputer 11 sent the feed bin putty immediately and reports to the police.
Q
s=Q
y+ (q
jT
j-q
cT
c) in 1/3600 formula: Q
sThe in good time bin stock amount of-feed bin, ton;
Q
yOriginal bin stock amount in the-feed bin, ton;
q
jThe system capability of apparatus for feeding on the-storehouse, ton/time;
q
cThe ability of-storehouse bottom discharge equipment, ton/time;
T
jThe working time of apparatus for feeding on the-storehouse, second;
T
cThe working time of-storehouse bottom discharge equipment, second.
Bin stock amount in the storehouse that under following three kinds of states, all can be regarded as in good time by following formula:
1) discharging state in charging but not just;
At this moment, because of microcomputer 11 does not obtain or does not all obtain the discharging signal, so the timer of discharging equipment 5 operations is not worked T
c=0, then second in the following formula bracket is 0.
2) feed state in discharging but not just;
At this moment, because of microcomputer 11 does not obtain or does not all obtain the charging signal, so the timer of apparatus for feeding 2 operations is not worked T
j=0, then first in the following formula bracket is 0.
3) not only charging but also discharging state;
At this moment, the whole signals when having obtained charging and discharging because of microcomputer 11 are so the timer of input and output material equipment 2,5 operations is all worked T
j＞0; T
c＞0, then first and second in the following formula bracket all is not equal to 0.
For the fluctuation of eliminating charging ability on the feed bin 1 influence to the inventive method and device, be in above-mentioned first and during the third state at feed bin 1, the bin stock amount reaches 95% o'clock of the bin stock amount of buying securities with all one's capital in the storehouse that microcomputer 11 computings record, microcomputer 11 suspends computing, send the full warning signal in storehouse simultaneously, but the charging operation do not stop, behind the 8 work high charge level signals (promptly stopping the signal of the former point device of feed system) that send of waiting to obtain popping one's head in, stop computing, and show the bin stock amount of buying securities with all one's capital after the time-delay several seconds.
Microcomputer some deviations may occur in calculating process, but after each charging end of job, these deviations all can be revised automatically, so big cumulative errors can not occur.
Claims (4)
1. feed bin bin stock amount detecting device, by feed bin (1), apparatus for feeding (2), discharger (3), (4), discharging equipment (5), probe (6), (7), (8), (9) and microcomputer arithmetic element (11) form, to bin stock amount and the feed bin apparatus for feeding (2) of each feed bin (1) when buying securities with all one's capital, after the ability of discharging equipment (5) is demarcated, it is characterized in that: with a plurality of probes (6), (7), (8), (9) be detecting element, to the materials flow on the apparatus for feeding (2) on work high charge level and the storehouse, materials flow on the storehouse bottom discharge equipment (5) detects, promptly probe (7) is installed at feed bin (1) inner top, (8), in order to detect work in the storehouse high charge level or discharger (3), (4) transposition material level, apparatus for feeding on the storehouse (2) and storehouse bottom discharge equipment (5) are gone up each probe (6) and (9) are installed, respectively in order to detect input and output material equipment (2), whether material is arranged (5), these probes (6), (7), (8), (9) the passive contact point signal that sends, give microcomputer (11) by transmission cable, and the start-stop signal of apparatus for feeding (2) on the storehouse, discharger (3), (4) location or working state signal, the start-stop signal of storehouse bottom discharge equipment (5) etc. all can obtain from the contactor of electric low-voltage distribution panel, and sends microcomputer (11) to cable.
2. device according to claim 1 is characterized in that, the quantity of probe is installed at the feed bin top counts identical with discharging.
3. a feed bin bin stock quantity measuring method uses the described device of claim 1, and the ability of bin stock amount when each feed bin is bought securities with all one's capital and feed bin input and output material equipment is demarcated, and it is characterized in that:
A). with a plurality of probes is detecting element, and the materials flow on the apparatus for feeding on work high charge level and the storehouse, the materials flow on the storehouse bottom discharge equipment are detected;
B). through microcomputer Q by formula
s=Q
y+ (q
jT
j-q
cT
c) 1/3600 accumulate computing, obtain in the feed bin bin stock amount in good time; In the formula: Q
sThe in good time bin stock amount of-feed bin, ton;
Q
yOriginal bin stock amount in the-feed bin, ton:
q
jThe system capability of apparatus for feeding on the-storehouse, ton/time;
q
cThe ability of-storehouse bottom discharge equipment, ton/time:
T
jThe working time of apparatus for feeding on the-storehouse, it is after microcomputer (11) obtains three working signals that material signal and a certain storehouse loading and unloading material equipment (3) or (4) are arranged that initiating signal, the probe (6) of apparatus for feeding on the storehouse (2) send, the timer of the apparatus for feeding (2) of microcomputer (11) picks up counting, arbitrary blackout in above-mentioned three signals, then the timer of microcomputer (11) stops timing, and what timer stopped timing from picking up counting to is T during this period of time
j, unit is second;
T
cThe working time of-storehouse bottom discharge equipment, it is after two of receiving that the initiating signal of storehouse bottom discharge equipment (5) and probe (9) send of microcomputer (11) have the material signal, the timer of the discharging equipment (5) of microcomputer (11) is started working, arbitrary blackout in above-mentioned two signals, then the timer of microcomputer (11) stops timing, and what timer stopped timing from picking up counting to is T during this period of time
c, unit is second.
4. detection method according to claim 3 is characterized in that, can record in good time bin stock amount in the storehouse under three kinds of states:
A). charging but discharging state not;
B). discharging but feed state not;
C). not only charging but also discharging state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95108210 CN1073695C (en) | 1995-07-19 | 1995-07-19 | Method for metering storage in stock-bin and its apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95108210 CN1073695C (en) | 1995-07-19 | 1995-07-19 | Method for metering storage in stock-bin and its apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1118431A CN1118431A (en) | 1996-03-13 |
| CN1073695C true CN1073695C (en) | 2001-10-24 |
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ID=5076678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95108210 Expired - Fee Related CN1073695C (en) | 1995-07-19 | 1995-07-19 | Method for metering storage in stock-bin and its apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073695C (en) |
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| CN102109369B (en) * | 2009-12-29 | 2012-08-01 | 中冶长天国际工程有限责任公司 | Method and device for detecting material stock of sintering proportioning bin |
| CN102774630B (en) * | 2012-07-26 | 2015-06-03 | 中国神华能源股份有限公司 | Silo shift control system and method |
| CN102944281A (en) * | 2012-11-26 | 2013-02-27 | 昆山北极光电子科技有限公司 | Material fullness automatic detection method |
| CN103852400A (en) * | 2014-03-31 | 2014-06-11 | 南京理工大学 | Device for automatically acquiring silo storage flow condition information |
| CN104261015A (en) * | 2014-09-19 | 2015-01-07 | 中冶长天国际工程有限责任公司 | Stock bin for storing granulated materials and desorption tower device with stock bin |
| CN105199942A (en) * | 2015-08-25 | 2015-12-30 | 桑德环境资源股份有限公司 | Resourceful and harmless treatment system for organic waste in villages and towns and method thereof |
| CN110007696B (en) * | 2019-04-18 | 2022-07-15 | 首钢京唐钢铁联合有限责任公司 | Automatic bin dumping control system and method |
| CN111854901A (en) * | 2020-07-28 | 2020-10-30 | 山信软件股份有限公司 | Method for measuring material weight of material bin |
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1995
- 1995-07-19 CN CN 95108210 patent/CN1073695C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1118431A (en) | 1996-03-13 |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
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Granted publication date: 20011024 Termination date: 20130719 |