CN104019881A - Condition monitoring system for electronic belt scale - Google Patents
Condition monitoring system for electronic belt scale Download PDFInfo
- Publication number
- CN104019881A CN104019881A CN201410281120.3A CN201410281120A CN104019881A CN 104019881 A CN104019881 A CN 104019881A CN 201410281120 A CN201410281120 A CN 201410281120A CN 104019881 A CN104019881 A CN 104019881A
- Authority
- CN
- China
- Prior art keywords
- electronic balance
- belted electronic
- treating apparatus
- monitoring system
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention discloses a condition monitoring system for an electronic belt scale. The condition monitoring system comprises the electronic belt scale, a monitoring device and a processing device. When tobacco leaves pass through the electronic belt scale, the monitoring device monitors the instantaneous flow P of the tobacco leaves; when P is larger than or equal to 2000 kg/h and less than or equal to 2300 kg/h, the processing device sends out a fault signal; when the P is larger than or equal to 2300 kg/h, the processing device sends out a major fault signal. The instantaneous flow of the tobacco leaves when the tobacco leaves pass through the electronic belt scale is effectively guaranteed, and the situation that the tobacco leaves are incompletely processed due to excessive quantity is avoided.
Description
Technical field
The present invention relates to checkout equipment, relate in particular to a kind of condition monitoring system of belted electronic balance.
Background technology
Belted electronic balance is to adopt sensing technology, electronic technology and the integrated electronic weighting equipment of computer technology, and belted electronic balance is a kind of important metering outfit on production line, and its precision has direct impact to procedure quality production control.
Burley tobaccos are important tobacco leaves producing tobacco leaf, and it has the fragrance of mediation and jealous effect, is the important source material of blended type cigarette, is also pipe tobacco raw material.Burley tobaccos are mixed with in cigarette process needs interpolation to prepare burden, owing to producing now cigarette be all on automatic assembly line, the quantity of burley tobaccos and flow can directly affect quality cigarette, and the mouthfeel of the edible cigarette of impact therefore must strict quantity and the flow of controlling burley tobaccos.
Summary of the invention
The invention provides a kind of condition monitoring system of belted electronic balance, effectively ensure the instantaneous delivery of material through belted electronic balance system, avoid too much causing materiel machining incomplete.
For solving the problems of the technologies described above, the condition monitoring system of a kind of belted electronic balance provided by the invention, is characterized in that, comprises belted electronic balance, monitoring device and treating apparatus;
In the time that tobacco leaf passes through belted electronic balance, the instantaneous delivery P of monitoring device monitoring tobacco leaf;
If when 2300kg/h > P >=2000kg/h, treating apparatus sends fault-signal;
If when P >=2300kg/h, treating apparatus sends catastrophic failure signal.
Preferably, described step is in the time of 2300kg/h > P >=2000kg/h, and treating apparatus sends fault-signal and is specially:
In the time of 2300kg/h > P >=2000kg/h, and lasting 10s, treating apparatus sends fault-signal.
Preferably, described step is in the time of P >=2300kg/h, and treating apparatus sends catastrophic failure signal and is specially:
In the time of P >=2300kg/h, and lasting 5s, treating apparatus sends catastrophic failure signal.
Preferably, monitoring device comprises multiple LOAD CELLS, velocity measurement mechanisms and central processing unit;
Described LOAD CELLS is used for monitoring weight of material and monitoring result is sent to central processing unit;
Speed when described velocity measurement mechanisms is used for monitoring material through belted electronic balance is also sent to central processing unit by monitoring result;
Described central processing unit is for receiving the monitoring result of described LOAD CELLS and described velocity measurement mechanisms, and processing obtains instantaneous delivery P according to monitoring result.
Preferably, described LOAD CELLS is set to 4.
Preferably, described alerting signal is for passing through display display alarm.
Preferably, described alerting signal is for to sound the alarm by warning device.
Preferably, described alerting signal is by display display alarm and sounds the alarm by warning device.
As can be seen from the above technical solutions, the present invention has the following advantages: utilize belted electronic balance transport and weigh tobacco leaf, monitor the instantaneous delivery of tobacco leaf simultaneously, in the time that instantaneous delivery exceedes 2000kg/h and is less than 2300kg/h, treating apparatus alarm, in the time that instantaneous delivery exceedes 2300kg/h, send another kind of even more serious alarm, because belted electronic balance is as a kind of electronic weighting equipment, carry out continually and steadily in order to ensure follow-up operation, need to carry out a monitoring to instantaneous delivery, simultaneously according to this monitoring, alarming, thereby can remind staff to process, to guarantee the fluency of technique.
Embodiment
The invention provides a kind of condition monitoring system of belted electronic balance, effectively ensure the instantaneous delivery of material through belted electronic balance system, avoid too much causing materiel machining incomplete.
In order to make those skilled in the art understand better the present invention program, below in conjunction with embodiment, the present invention is further illustrated.
In view of this, a kind of condition monitoring system of belted electronic balance, comprises belted electronic balance, monitoring device and treating apparatus, wherein comprises the following steps in process of production:
(101) in the time that tobacco leaf passes through belted electronic balance, the instantaneous delivery P of monitoring device monitoring tobacco leaf.
Instantaneous delivery refers in the unit interval by the tobacco leaf weight of belted electronic balance.
Belted electronic balance is a kind of certain length that has, in the time that tobacco leaf enters belted electronic balance, and the instantaneous delivery that monitoring device can Real-Time Monitoring tobacco leaf.
In present embodiment, alleged tobacco leaf can be burley tobaccos silk, burley tobaccos silk is according to the different batchings of quantity preparation, thereby form different cigarette kinds, in the time that burley tobaccos silk passes through belted electronic balance, monitoring device can dialogue rib pipe tobacco instantaneous delivery monitor, and monitoring result is sent to treating apparatus.
(102) if when P < 2000kg/h, treating apparatus is left intact.
When instantaneous delivery is less than 2000kg/h, belted electronic balance system is normally worked, and does not do any warning processing.
(103) if when 2300kg/h > P >=2000kg/h, treating apparatus sends fault-signal;
When monitoring device monitors P value, and send result to treating apparatus, and treating apparatus finds that P value exceedes 2000kg/h, the while also, in 2300kg/h, is sent fault-signal.
Alleged treating apparatus herein, can continue, under the state of 10s (second), just to send fault-signal at 2300kg/h > P >=2000kg/h.
Alleged fault-signal herein, can pass through display display alarm, also can sound the alarm by warning device, can also use both to report to the police, to notify staff to process simultaneously.
(104) if when P >=2300kg/h, treating apparatus sends catastrophic failure signal.
When monitoring device monitors P value, and send result to treating apparatus, and treating apparatus finds that P value exceedes 2300kg/h, sends catastrophic failure signal.
Alleged treating apparatus herein, can continue, under the state of 5s (second), just to send catastrophic failure signal at P >=2300kg/h.
Alleged catastrophic failure signal, can pass through display display alarm, also can sound the alarm by warning device, can also use both to report to the police, to notify staff to process simultaneously.
Wherein step 103 and step 104 send chimes of doom or alerting signal be different chimes of doom or alerting signals.
It should be noted that, step 102, step 103 and step 104 order in no particular order, can be carried out simultaneously.
It should be noted that at this, the alleged belted electronic balance of the present invention also can be referred to as electronic scale, and its front-end equipment is white rib dryer, and capacity of equipment is set as 1500kg/H, but the fluctuation of meeting generation ± 500kg/H in the normal course of work of reality.According to the fluctuation of the setting of this capacity of equipment and generation; also according to containing stub bar material tail in production of cigarettes process; the flow of this stub bar material tail is few or be in right amount normal, and the too high machine that can cause goes wrong, and the upper limit for the treatment of apparatus instantaneous delivery has been done to safeguard measure.
The reason that can cause machine problem to occur for too high flow, therefore, in the situation that capacity of equipment is 1500kg/H, adds the situation+500kg/H of fluctuation, and the 2000kg/H obtaining can ensure the smooth of machine operation.
Because tobacco leaf also needs to carry out next step preparation, and belted electronic balance has certain buffer index, and therefore belted electronic balance need to have preparation technology's normal operation of certain upper limit guarantee tobacco leaf to the instantaneous delivery of tobacco leaf.
Be that 2300kg/H calculates according to following step for instantaneous delivery:
(201) feed ratio of calculating tobacco leaf: the cumulative amount of feed ratio=reinforced cumulative amount/title, its accuracy requirement is ± 0.5%.Therefore claim cumulative amount accuracy requirement be ± 0.5%.
Dosage semi-invariant refers to use the semi-invariant of tobacco leaf in same scope, and the cumulative amount of title refers to the semi-invariant that claims to weigh tobacco leaf in same scope.
(202) output of every batch of cigarette: the cumulative amount numerical value claiming when namely every batch of tobacco leaf finishes, it is 2500kg;
In the time of cigarette factory and office reason tobacco leaf, the output of every batch of cigarette will meet the demand of subsequent production line, is therefore traditionally arranged to be 2500kg.
(203) show that by step (1) and step (2) error of every batch of cigarette total amount is 2500*0.5%=12.5 (kg)
(204) for the error total amount that makes every batch of cigarette meets the requirements, therefore control L*T<12.5 (kg), wherein L represents the error flow allowing; T represents the time of the error discharge process experience allowing.
(205) therefore must choose suitable L and T and must meet the computing formula of step (4): L*T<12.5 (kg)
Below the selection of L and T is described:
Selection for L: because the precision claiming is ± 0.5%kg/h; Therefore ensureing that machine run smoothly under 2000kg/h, considers the precision of belted electronic balance, the real upper limit of normal discharge is 2000* (1+0.5%)=2010kg/h; In order to ensure amount of redundancy, be therefore set as 2300kg/h at real upper limit 2010kg/h, ensure that last decision threshold 2300kg/h is far longer than 2010kg/h, thereby improve the accuracy of the warning of system.
Finally can obtain L=(2300-2010)/60=4.833 (kg/m)
Selection for T: due to technological requirement by the gross the cumulative amount error of cigarette must not be greater than 12.5kg, considered amount of redundancy, T<12.5/L-amount of redundancy, i.e. T<2.833 (m)-amount of redundancy.Therefore we to select T be 5S, namely 0.083m meets the demands.Such selection also can ensure to exist in technique more amount of redundancy.
The source of final visible 2000kg/H and 2300kg/H has principle, can widespread use.
Monitoring device is conducted further description to explanation below.
Monitoring device in the present embodiment can comprise that monitoring device comprises multiple LOAD CELLS, velocity measurement mechanisms and central processing unit;
LOAD CELLS is used for monitoring weight of material and monitoring result is sent to central processing unit;
Speed when velocity measurement mechanisms is used for monitoring material through belted electronic balance is also sent to central processing unit by monitoring result;
Central processing unit is used for receiving the signal of LOAD CELLS and velocity measurement mechanisms, and obtains instantaneous delivery P.
Wherein alleged LOAD CELLS can be 4, is separately positioned on 4 diverse locations of belted electronic balance.Can be arranged on belted electronic balance according to certain interval, alleged instantaneous delivery P refers to the numerical value obtaining after all sensors feedback average quantization.
Utilize belted electronic balance transport and weigh tobacco leaf, monitor the instantaneous delivery of tobacco leaf simultaneously, in the time that instantaneous delivery exceedes 2000kg/h and is less than 2300kg/h, treating apparatus alarm, in the time that instantaneous delivery exceedes 2300kg/h, send another kind of even more serious alarm, because belted electronic balance is as a kind of electronic weighting equipment, carry out continually and steadily in order to ensure follow-up operation, need to carry out a monitoring to instantaneous delivery, simultaneously according to this monitoring, alarming, thereby can remind staff to process, to guarantee the fluency of technique.
Further, different instantaneous deliveries have corresponding different disposal routes, distinguish these two numerical value of 2000kg/h, 2300kg/h, effectively ensure follow-up, tobacco leaf to be added in blending process, and tobacco leaf can evenly be mixed into batching, ensures its productive capacity.
Further, because the batching of tobacco leaf is ready-made, index is consistent, particularly this kind of batching of spices, system is controlled instantaneous delivery monitoring for being less than between 2000kg/h, 2000kg/h～2300kg/h, is greater than these three segments of 2300kg/h, the quantity that meets tobacco leaf batching while effectively controlling tobacco leaf output, ensures quality cigarette.
This present embodiment can also provide burley tobaccos to carry out production and application, and above alleged tobacco leaf can be burley tobaccos silk, through above-described content, then burley tobaccos silk and batching is carried out to proportioning, can obtain burley tobaccos.
Burley tobaccos silk is through belted electronic balance, and pick-up unit detects the instantaneous delivery P of burley tobaccos silk, and testing result is sent to treating apparatus, and during as the P >=2000kg/h of burley tobaccos silk, treating apparatus sends alerting signal.
Wherein in the time of 2300kg/h > P >=2000kg/h, and lasting 10s, treating apparatus can send fault-signal; In the time of P >=2300kg/h, and lasting 5s, treating apparatus can send catastrophic failure signal.
The mass ratio of burley tobaccos silk and batching is 500:1～4, and alleged batching is preferably spices.In the time dropping into the burley tobaccos silk of 1000g, can drop into 2～8 grams of spices, according to the difference that drops into spices, can be produced into dissimilar cigarette.
Utilize belted electronic balance transport and weigh tobacco leaf, monitor the instantaneous delivery of tobacco leaf simultaneously, in the time that instantaneous delivery exceedes 2000kg/h and is less than 2300kg/h, treating apparatus alarm, in the time that instantaneous delivery exceedes 2300kg/h, send another kind of even more serious alarm, because belted electronic balance is as a kind of electronic weighting equipment, carry out continually and steadily in order to ensure follow-up operation, need to carry out a monitoring to instantaneous delivery, simultaneously according to this monitoring, alarming, thereby can remind staff to process, to guarantee the fluency of technique.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a condition monitoring system for belted electronic balance, is characterized in that, comprises belted electronic balance, monitoring device and treating apparatus;
In the time that tobacco leaf passes through belted electronic balance, the instantaneous delivery P of monitoring device monitoring tobacco leaf;
If when 2300kg/h > P >=2000kg/h, treating apparatus sends fault-signal;
If when P >=2300kg/h, treating apparatus sends catastrophic failure signal.
2. the condition monitoring system of belted electronic balance according to claim 1, is characterized in that, described step is in the time of 2300kg/h > P >=2000kg/h, and treating apparatus sends fault-signal and is specially:
In the time of 2300kg/h > P >=2000kg/h, and lasting 10s, treating apparatus sends fault-signal.
3. the condition monitoring system of belted electronic balance according to claim 1, is characterized in that, described step is in the time of P >=2300kg/h, and treating apparatus sends catastrophic failure signal and is specially:
In the time of P >=2300kg/h, and lasting 5s, treating apparatus sends catastrophic failure signal.
4. the condition monitoring system of belted electronic balance according to claim 1, is characterized in that, monitoring device comprises multiple LOAD CELLS, velocity measurement mechanisms and central processing unit;
Described LOAD CELLS is used for monitoring weight of material and monitoring result is sent to central processing unit;
Speed when described velocity measurement mechanisms is used for monitoring material through belted electronic balance is also sent to central processing unit by monitoring result;
Described central processing unit is for receiving the monitoring result of described LOAD CELLS and described velocity measurement mechanisms, and processing obtains instantaneous delivery P according to monitoring result.
5. the condition monitoring system of belted electronic balance according to claim 4, is characterized in that, described LOAD CELLS is set to 4.
6. according to the condition monitoring system of the belted electronic balance described in claim 1～5 any one, it is characterized in that, described alerting signal is for passing through display display alarm.
7. according to the condition monitoring system of the belted electronic balance described in claim 1～5 any one, it is characterized in that, described alerting signal is for to sound the alarm by warning device.
8. according to the condition monitoring system of the belted electronic balance described in claim 1～5 any one, it is characterized in that, described alerting signal is by display display alarm and sounds the alarm by warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281120.3A CN104019881B (en) | 2014-06-20 | 2014-06-20 | A kind of condition monitoring system of belted electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281120.3A CN104019881B (en) | 2014-06-20 | 2014-06-20 | A kind of condition monitoring system of belted electronic balance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019881A true CN104019881A (en) | 2014-09-03 |
| CN104019881B CN104019881B (en) | 2016-03-02 |
Family
ID=51436762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410281120.3A Active CN104019881B (en) | 2014-06-20 | 2014-06-20 | A kind of condition monitoring system of belted electronic balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104019881B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235308A (en) * | 2017-07-06 | 2017-10-10 | 江苏永钢集团有限公司 | A kind of proportioning belt scale off-axis detects warning system |
| 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 |
| CN110104407A (en) * | 2019-05-05 | 2019-08-09 | 贵州中烟工业有限责任公司 | A kind of system terminated in advance for preventing throwing |
| CN111000280A (en) * | 2019-11-27 | 2020-04-14 | 湖北中烟工业有限责任公司 | Online metering monitoring system for stem stick removal of cigarette making machine |
| CN111307255A (en) * | 2020-03-11 | 2020-06-19 | 徐州科利达电控科技有限公司 | Weighing method and system of belt scale |
| CN114719945A (en) * | 2022-04-01 | 2022-07-08 | 广东中烟工业有限责任公司 | Self-adaptive method, system and computer medium for flow control precision of controllable electronic belt scale |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006514A (en) * | 2019-05-15 | 2019-07-12 | 山东莱钢永锋钢铁有限公司 | A kind of weighing belt on-line operation real-time monitoring system for state and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413739A (en) * | 1982-02-22 | 1983-11-08 | Yamato Scale Company, Limited | Automatic weight sorter |
| CN101261154A (en) * | 2007-03-06 | 2008-09-10 | 上海海事大学 | Device and method for processing nuclear scale continuous metering velocity error |
| CN101595786A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester threshing cylinder plugging fault early warning and alarm method |
| CN201954069U (en) * | 2010-12-21 | 2011-08-31 | 北京理工大学 | Electronic valve device with measuring function |
| CN202329766U (en) * | 2011-11-13 | 2012-07-11 | 佳木斯大学 | Intelligent material balance |
| CN103616878A (en) * | 2013-12-03 | 2014-03-05 | 山东中烟工业有限责任公司 | System and method for detecting on-line state of feeding loop in tobacco processing process |
| DE102012017717A1 (en) * | 2012-09-07 | 2014-03-13 | Schenck Process Gmbh | Method for calibrating belt weigher for continuous flow rates detection of bulk material in cement plant, involves determining error value of belt weigher, where calibration of weigher is performed during operation of conveying belt |
-
2014
- 2014-06-20 CN CN201410281120.3A patent/CN104019881B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413739A (en) * | 1982-02-22 | 1983-11-08 | Yamato Scale Company, Limited | Automatic weight sorter |
| CN101261154A (en) * | 2007-03-06 | 2008-09-10 | 上海海事大学 | Device and method for processing nuclear scale continuous metering velocity error |
| CN101595786A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Combined harvester threshing cylinder plugging fault early warning and alarm method |
| CN201954069U (en) * | 2010-12-21 | 2011-08-31 | 北京理工大学 | Electronic valve device with measuring function |
| CN202329766U (en) * | 2011-11-13 | 2012-07-11 | 佳木斯大学 | Intelligent material balance |
| DE102012017717A1 (en) * | 2012-09-07 | 2014-03-13 | Schenck Process Gmbh | Method for calibrating belt weigher for continuous flow rates detection of bulk material in cement plant, involves determining error value of belt weigher, where calibration of weigher is performed during operation of conveying belt |
| CN103616878A (en) * | 2013-12-03 | 2014-03-05 | 山东中烟工业有限责任公司 | System and method for detecting on-line state of feeding loop in tobacco processing process |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235308A (en) * | 2017-07-06 | 2017-10-10 | 江苏永钢集团有限公司 | A kind of proportioning belt scale off-axis detects warning system |
| 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 |
| CN110104407A (en) * | 2019-05-05 | 2019-08-09 | 贵州中烟工业有限责任公司 | A kind of system terminated in advance for preventing throwing |
| CN111000280A (en) * | 2019-11-27 | 2020-04-14 | 湖北中烟工业有限责任公司 | Online metering monitoring system for stem stick removal of cigarette making machine |
| CN111307255A (en) * | 2020-03-11 | 2020-06-19 | 徐州科利达电控科技有限公司 | Weighing method and system of belt scale |
| CN114719945A (en) * | 2022-04-01 | 2022-07-08 | 广东中烟工业有限责任公司 | Self-adaptive method, system and computer medium for flow control precision of controllable electronic belt scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104019881B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104019881B (en) | A kind of condition monitoring system of belted electronic balance | |
| CN107777292B (en) | System and method for monitoring running state of electronic belt scale and tobacco processing system | |
| CN106579535B (en) | Tobacco flavoring charging system, control method and pipe tobacco production system | |
| JPS6024171A (en) | Controller of moisture and temperature in tobacco moisture conditioning machine | |
| CN103900674A (en) | Accuracy judging method of weighing system composed of multiple electronic belt scales | |
| SE513524C2 (en) | Systems and method for calculating and / or monitoring a fluid flow in a dialysis apparatus | |
| JPS6031649B2 (en) | Extrusion process for plastic film with small thickness variation | |
| CN102754905B (en) | Control method for improving feeding/perfuming uniformity | |
| CN109998142B (en) | Control method for temperature of cylinder of cut-tobacco drier | |
| CN101441445B (en) | Sintering material balance method and system | |
| CN106502193A (en) | A kind of feeding wire speed circuit for regulating and controlling and system | |
| CN107660176B (en) | Method for performing a material change in an extrusion device | |
| CN111301764B (en) | Method for uniformly blending components of formula cigarette | |
| CN110427061B (en) | Control system and method for tobacco production | |
| Su et al. | Resilience and risk analysis of fault-tolerant process control design in continuous pharmaceutical manufacturing | |
| Taipale-Kovalainen et al. | The effects of unintentional and intentional process disturbances on tablet quality during long continuous manufacturing runs | |
| EP3847426A2 (en) | Method for the gravimetric control of a metering device for bulk material during the refilling of its storage container, and metering device for carrying out the method | |
| CN101116535A (en) | Process for allocating and mixing tobacco shred | |
| CN113662229B (en) | Blending uniformity control method | |
| CN102103370A (en) | Slot and level control method of sintering mixture | |
| DE102019121948B4 (en) | Device and method for measuring a powder mass flow for powder nozzle deposition welding | |
| CN114229388B (en) | Judgment method and system for unexpected shutdown of dosing belt | |
| WO2020049513A2 (en) | Method for the gravimetric control of a metering device for bulk material during the refilling of its storage container, and metering device for carrying out the method | |
| CN115829238A (en) | Abnormity prompting method, device and system and industrial Internet of things platform | |
| CN103844341A (en) | High-precision material blending equipment and blending method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |