CN106276155B - A kind of Gravimetric Coal Feeders device and its calibration method - Google Patents
A kind of Gravimetric Coal Feeders device and its calibration method Download PDFInfo
- Publication number
- CN106276155B CN106276155B CN201610605664.XA CN201610605664A CN106276155B CN 106276155 B CN106276155 B CN 106276155B CN 201610605664 A CN201610605664 A CN 201610605664A CN 106276155 B CN106276155 B CN 106276155B
- Authority
- CN
- China
- Prior art keywords
- weighing
- conveyer
- coal
- advance
- controller
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/19—Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The invention discloses a kind of Gravimetric Coal Feeders device and its calibration methods, including giving coal conveyer in advance, it weighs conveyer, weighing sensor, tachogenerator, weighing controller, verify counterweight, lifter, shell and weight scale frame, it is described pre- to be arranged in the top for weighing conveyer to coal conveyer, in advance feed hopper is being offered to the shell above coal conveyer, weighing sensor supports conveyer of weighing, tachogenerator is mounted in the shaft for conveyer of weighing, weight scale is set up in pre- on coal conveyer, one end of lifter is fixedly connected with the casing, the other end of lifter is connected with verification counterweight, weighing sensor, tachogenerator, weight scale frame connects weighing controller.The present invention can carry out actual material calibration to Gravimetric Coal Feeders in real time, the measuring accuracy of Gravimetric Coal Feeders not only can be improved, but also do not influence the normal operation of Gravimetric Coal Feeders.
Description
Technical field
The present invention relates to a kind of Gravimetric Coal Feeders device, specifically a kind of Gravimetric Coal Feeders device and its calibration method.
Background technology
Gravimetric Coal Feeders are that a kind of consecutive weighings give coal equipment, for coal-fired quantitative conveying.It can be automatically according to scheduled
Program automatically adjusts belt speed according to setting coal-supplying amount, and mass flow is made to be equal to setting value, is connected with constant delivery rate
Continuous continuous conveying bulk material, can be used for needing the dispensing occasion of continuous-feeding, at home and abroad electric power coal, metallurgy, building materials
Etc. industries be used widely.
Currently, the weighing structure of existing Gravimetric Coal Feeders mostly uses single carrying roller or more roller types, measuring accuracy are easy
It is influenced by belt tension, belt rigidity etc., can not ensure weighing precision.Live Gravimetric Coal Feeders are limited by use condition, very
Hardly possible is calibrated using material calibrating mode, generally using analog forms such as suspension calibration of weight, captive chain calibration, Electronic Calibrations
Calibrated, and this analog calibration mode effect is undesirable, weighing results still with actually weigh that there are large errors.In addition,
The variation of Gravimetric Coal Feeders mechanical property in the process of running brings the influence of belt effect, cannot timely compensation for calibrating errors, from
And lead to that the measuring accuracy of Gravimetric Coal Feeders is low, long-time stability are bad, make electricity power enterprise be difficult to carry out power generation positive balance to calculate.
Coal-burning power plant's coal consumption accounts for cost of electricity-generating close to 70%, with the propulsion for the policy of surfing the Net at a competitive price, to Gravimetric Coal Feeders meter
The requirement of accuracy of measurement is more and more high, while more paying attention to the reliability of its measuring accuracy, stability.To make Gravimetric Coal Feeders
Precision is high, stability is good, actual material calibration is only carried out by material, and to the system meters linearity error under different flow into
Row, which is corrected, just can make Gravimetric Coal Feeders reach higher precision.If keeping the stability of Gravimetric Coal Feeders, it is often right to need
It carries out actual material calibration, and in order to not influence feeder normal operation, actual material calibration must real-time online completion.There is presently no can
In real time Gravimetric Coal Feeders are carried out with the device and method of actual material calibration.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of Gravimetric Coal Feeders device and its calibration method,
Can actual material calibration be carried out to Gravimetric Coal Feeders in real time, the measuring accuracy of Gravimetric Coal Feeders not only can be improved, but also do not influence to weigh
The normal operation of feeder.
To achieve the goals above, the technical solution adopted by the present invention is：This kind of Gravimetric Coal Feeders device, including coal is given in advance
Conveyer, weighing sensor, tachogenerator, weighing controller, verifies counterweight, lifter, shell and weighs conveyer of weighing
Scale frame, it is described it is pre- be arranged in the top for weighing conveyer to coal conveyer, in advance to the shell above coal conveyer offer into
Hopper, weighing sensor support conveyer of weighing, tachogenerator to be mounted in the shaft for conveyer of weighing, and weight scale is set up in pre-
To on coal conveyer, one end of lifter is fixedly connected with the casing, and the other end of lifter is connected with verification counterweight, weighing and sensing
Device, tachogenerator, weight scale frame connect weighing controller.
Further, the position of the weight scale frame is in the underface of feed hopper；Convenient for weighing for material.
Further, the weighing controller is computer or programmable controller.
Further, the conveyer lower end of weighing is equipped with guide wheel；Convenient for weighing, conveyer is removed from shell.
Further, the lifter is linear drives lifter or rotation driving lifter.
A kind of calibration method of Gravimetric Coal Feeders device, the specific steps are：
The first step：To conveyer of weighing, weighing sensor, tachogenerator, weighing controller composition weighing system into
Row static weighing is calibrated：It is simultaneously stopped operation to coal conveyer and conveyer of weighing in advance first, weighing controller returns to zero, so
The verification counterweight of known weight is put by lifter afterwards and is weighed on conveyer, weighing controller is carried out by weighing sensor
Static weight is calibrated；
Second step：Exist to the weighing system of conveyer of weighing, weighing sensor, tachogenerator, weighing controller composition
Line dynamic weighing material is calibrated：Give coal conveyer out of service in advance first under conveyer operating status of weighing, material stops at this time
It only supplies, after the material conveying on conveyer to be weighed empties, weighing controller returns to zero, and conveyer of weighing keeps fortune
Row state, then according to weighing controller setting in advance to coal conveyer to coal time t1 and start operation in advance give coal conveyer,
Material from advance to fallen under coal conveyer conveyer of weighing time be t2, when in advance to coal conveyer run the t1 times after stop fortune
Row, conveyer of weighing remain operational state, and material is all that t1 adds t2 to the time for conveyer of weighing by blanking, then to falling
Weighing, whole materials on conveyer carry out static weighing, and the static weighing of the conveyer of weighing is that weighing controller only leads to
It crosses weighing sensor and measures material and fall on gravimetric value when weighing conveyer completely, do not consider the speed that tachogenerator measures
Value, obtains inventory w1；Simultaneously to material from start to fall on weigh conveyer until in advance to coal conveyer stopping when material it is complete
It falls and carries out dynamic weighing in conveyer of weighing, weighing controller is obtained by the velocity amplitude integrating obtained in conjunction with tachogenerator
Material cumulative amount is w2, and the correction value K1 of the coefficient of ranger of weighing controller is K1=K0* (w1/w2), and wherein K0 is control of weighing
6 original coefficient of ranger of device processed, weighing controller are used for the coefficient of ranger of dynamic weighting using K1 correction values；
Third walks：Linear error correction is measured, this is in the process in advance to coal conveyer from maximum stream flow to minimum discharge multiple spot
Operation：It is run in advance with maximum stream flow to coal conveyer first, the process for repeating above-mentioned second step obtains dynamic weighing under this flow
Then the coefficient of ranger K1 of metering is run with second of flow again, the process for continuing to repeat above-mentioned second step obtains under this flow
The coefficient of ranger K2 of dynamic weighting；And so on, range K3, K4, K5 ... are obtained successively, between adjacent two flow values
Coefficient of ranger linearly corrected by known linear correction algorithm further according to the K values of the two.
Compared with prior art, the present invention using in advance to coal conveyer, conveyer of weighing, weighing sensor, test the speed sensing
The mode that device, weighing controller, verification counterweight, lifter, shell and weight scale frame are combined, passes through the calibration method present invention
Can actual material calibration be carried out to Gravimetric Coal Feeders in real time, not only increase the measuring accuracy of Gravimetric Coal Feeders, and do not influence to weigh
The normal operation of feeder, to ensure the transport of coal material.
Description of the drawings
Fig. 1 is the perspective diagram of the present invention；
Fig. 2 is in the present invention in advance to the structural schematic diagram of coal conveyer；
Fig. 3 is the structural schematic diagram of conveyer of weighing in the present invention；
Fig. 4 is the left-hand perspective view of Fig. 3；
Fig. 5 is the verification weight structure schematic diagram of the present invention.
In figure：1, shell, 2, give coal conveyer in advance, 3, conveyer of weighing, 4, weighing sensor, 5, tachogenerator, 6,
Weighing controller, 7, verification counterweight, 8, feed hopper, 9, guide wheel, 10, weight scale frame, 11, lifter.
Specific implementation mode
The invention will be further described below.
As shown in Figures 1 to 5, a kind of Gravimetric Coal Feeders device, including in advance to coal conveyer 2, conveyer 3 of weighing, weigh
Sensor 4, tachogenerator 5, weighing controller 6, verification counterweight 7, lifter 11, shell 1 and weight scale frame 10, it is described pre- to give
Coal conveyer 2 is arranged in the top for weighing conveyer 3, is offering feed hopper 7 to the shell 1 above coal conveyer 2 in advance, is weighing
Sensor 4 supports conveyer 3 of weighing, tachogenerator 5 to be mounted in the shaft for conveyer 3 of weighing, and weight scale frame 10 is set to and gives in advance
On coal conveyer 2, one end of lifter 11 is fixedly connected with shell 1, and the other end of lifter 11 is connected with verification counterweight 7, claims
It retransmits sensor 4, tachogenerator 5, weight scale frame 10 and connects weighing controller 6.
Further, the position of the weight scale frame 10 is in the underface of feed hopper 7.Convenient for weighing for material.
Further, the weighing controller 6 is computer or programmable controller.
Further, 3 lower end of conveyer of weighing is equipped with guide wheel 9.Convenient for weighing, conveyer 3 is removed from shell.
Further, the lifter 11 is linear drives lifter or rotation driving lifter.
A kind of calibration method of Gravimetric Coal Feeders device, the specific steps are：
The first step：It is to conveyer 3 of weighing, weighing sensor 4, tachogenerator 5, weighing for the composition of weighing controller 6
System carries out static weighing calibration：It is simultaneously stopped operation to coal conveyer 2 and conveyer 3 of weighing in advance first, weighing controller 6 carries out
The verification counterweight 7 of known weight, is then put by lifter 11 and is weighed on conveyer 3, weighing controller 6 passes through title by zeroing
It retransmits sensor 4 and carries out static weight calibration；
Second step：It is to conveyer 3 of weighing, weighing sensor 4, tachogenerator 5, weighing for the composition of weighing controller 6
Online dynamic weighing material of uniting is calibrated：Give coal conveyer 2 out of service in advance first under 3 operating status of conveyer of weighing, at this time
Material stops supply, and after the material conveying on conveyer 3 to be weighed empties, weighing controller 6 returns to zero, conveyer 3 of weighing
Operating status is kept, is then set according to weighing controller 6 pre- to coal conveyer 2 is to coal time t1 and to start operation pre-
To coal conveyer 2, material from advance to fallen under coal conveyer 2 weigh 3 time of conveyer be t2, when in advance to coal conveyer 2 run
Out of service after the t1 times, conveyer 3 of weighing remains operational state, and material is by blanking all to the time for conveyer 3 of weighing
For t1 plus t2, then static weighing, the static state of the conveyer 3 of weighing are carried out in whole materials on conveyer 3 of weighing to falling
It is that weighing controller 6 only measures material by weighing sensor 4 and falls on gravimetric value when weighing conveyer 3 completely to weigh, and is not examined
Consider the velocity amplitude that tachogenerator 5 measures, obtains inventory w1；Simultaneously to material from start to fall on weigh conveyer 3 until in advance
Material entirely falls within conveyer 3 of weighing and carries out dynamic weighing when stopping to coal conveyer 2, and weighing controller 6 is tested the speed by combining
The material cumulative amount that the velocity amplitude integrating that sensor 5 obtains obtains is w2, and the correction value K1 of the coefficient of ranger of weighing controller 6 is
K1=K0* (w1/w2), wherein K0 are 6 original coefficient of ranger of weighing controller, and weighing controller 6 is used for using K1 correction values
The coefficient of ranger of dynamic weighting；
Third walks：Linear error correction is measured, this is in the process in advance to coal conveyer 2 from maximum stream flow to minimum discharge multiple spot
Operation：It is run in advance with maximum stream flow to coal conveyer 2 first, the process for repeating above-mentioned second step obtains dynamic weighing under this flow
Then the coefficient of ranger K1 of metering is run with second of flow again, the process for continuing to repeat above-mentioned second step obtains under this flow
The coefficient of ranger K2 of dynamic weighting；And so on, range K3, K4, K5 ... are obtained successively, between adjacent two flow values
Coefficient of ranger linearly corrected by known linear correction algorithm further according to the K values of the two.
Claims (5)
1. a kind of calibration method of Gravimetric Coal Feeders device, which is characterized in that the Gravimetric Coal Feeders device of use includes in advance to coal
Conveyer (2), conveyer of weighing (3), weighing sensor (4), tachogenerator (5), weighing controller (6), verification counterweight
(7), lifter (12), shell (1) and weight scale frame (10), it is described it is pre- to coal conveyer (2) be arranged in conveyer of weighing (3)
Top is offering feed hopper to the shell (1) above coal conveyer (2) in advance, and weighing sensor (4) supports conveyer of weighing
(3), tachogenerator (5) is mounted in the shaft for conveyer (3) of weighing, and weight scale frame (10) is given set on pre- on coal conveyer (2),
One end of lifter (12) is fixedly connected with shell (1), and the other end of lifter (12) is connected with verification counterweight (7), biography of weighing
Sensor (4), tachogenerator (5), weight scale frame (10) connection weighing controller (6)；Its specific steps are：
The first step：To the title of conveyer of weighing (3), weighing sensor (4), tachogenerator (5), weighing controller (6) composition
Weight system carries out static weighing calibration：It is simultaneously stopped operation to coal conveyer (2) and conveyer of weighing (3) in advance first, control of weighing
Device (6) processed is returned to zero, and is then put into the verification counterweight (7) of known weight on conveyer of weighing (3) by lifter (12),
Weighing controller (6) carries out static weight calibration by weighing sensor (4)；
Second step：To the title of conveyer of weighing (3), weighing sensor (4), tachogenerator (5), weighing controller (6) composition
The online dynamic weighing material calibration of weight system：Coal conveyer (2) is given to stop fortune in advance first under conveyer of weighing (3) operating status
Row, at this time material stopping supply, and after the material conveying on conveyer (3) to be weighed empties, weighing controller (6) returns to zero,
Conveyer (3) of weighing keeps operating status, then gives coal to coal conveyer (2) in advance according to weighing controller (6) setting
Time t1 simultaneously starts operation in advance to coal conveyer (2), and material falls on conveyer of weighing (3) time from pre- give under coal conveyer (2)
Out of service after running the t1 times to coal conveyer (2) in advance for t2, conveyer of weighing (3) remains operational state, and material passes through
Blanking is all that t1 adds t2 to the time of conveyer of weighing (3), is then carried out to falling whole materials on conveyer of weighing (3)
Static weighing obtains inventory w1；Conveyer (3) is weighed until stopping in advance to coal conveyer (2) from starting to fall on to material simultaneously
Material entirely falls within conveyer of weighing (3) and carries out dynamic weighing when only, and weighing controller (6) is by combining tachogenerator (5)
The material cumulative amount that obtained velocity amplitude integrating obtains is w2, and the correction value K1 of the coefficient of ranger of weighing controller (6) is K1=
K0* (w1/w2), wherein K0 are weighing controller (6) original coefficient of ranger, and weighing controller (6) is used for using K1 correction values
The coefficient of ranger of dynamic weighting；
Third walks：Linear error correction is measured, this is transported to coal conveyer (2) from maximum stream flow to minimum discharge multiple spot in advance in the process
Row：It is run in advance with maximum stream flow to coal conveyer (2) first, the process for repeating above-mentioned second step obtains dynamic weighing under this flow
Then the coefficient of ranger K1 of metering is run with second of flow again, the process for continuing to repeat above-mentioned second step obtains under this flow
The coefficient of ranger K2 of dynamic weighting；And so on, range K3, K4, K5 ... are obtained successively, between adjacent two flow values
Coefficient of ranger linearly corrected by known linear correction algorithm further according to the K values of the two.
2. a kind of calibration method of Gravimetric Coal Feeders device according to claim 1, which is characterized in that the weight scale frame
10 position is in the underface of feed hopper.
3. a kind of calibration method of Gravimetric Coal Feeders device according to claim 1, which is characterized in that the Weighing control
Device (6) is computer or programmable controller.
4. a kind of calibration method of Gravimetric Coal Feeders device according to claim 1, which is characterized in that the conveying of weighing
Machine (3) lower end is equipped with guide wheel (9).
5. a kind of calibration method of Gravimetric Coal Feeders device according to claim 1, which is characterized in that the lifter（
11）For linear drives lifter or rotation driving lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605664.XA CN106276155B (en) | 2016-07-27 | 2016-07-27 | A kind of Gravimetric Coal Feeders device and its calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605664.XA CN106276155B (en) | 2016-07-27 | 2016-07-27 | A kind of Gravimetric Coal Feeders device and its calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106276155A CN106276155A (en) | 2017-01-04 |
| CN106276155B true CN106276155B (en) | 2018-08-07 |
Family
ID=57662924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610605664.XA Active CN106276155B (en) | 2016-07-27 | 2016-07-27 | A kind of Gravimetric Coal Feeders device and its calibration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106276155B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932060A (en) * | 2017-03-28 | 2017-07-07 | 山东博硕自动化技术有限公司 | A kind of material continuous metering distribution |
| 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 |
| CN107860513A (en) * | 2017-10-27 | 2018-03-30 | 北京空间技术研制试验中心 | The method for determining spacecraft mass characteristic |
| CN107966203A (en) * | 2017-11-30 | 2018-04-27 | 华润电力（海丰）有限公司 | A kind of method of calibration of feeder |
| CN108313661B (en) * | 2018-02-02 | 2019-07-12 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | It is a kind of can online self-tuning moving material delivery method |
| PL237611B1 (en) * | 2018-03-25 | 2021-05-04 | Belor Polska Spolka Z Ograniczona Odpowiedzialnoscia | Set of devices for, and method of unification of loose products |
| CN110286608B (en) * | 2019-06-06 | 2021-09-21 | 上海蓝箭实业发展有限公司 | Dynamic compensation processing system and method for raw coal bunker |
| CN112009977B (en) * | 2020-08-13 | 2022-09-27 | 大唐河北发电有限公司马头热电分公司 | Power plant belt type weighing coal feeder with independent control device and control method thereof |
| CN112161690A (en) * | 2020-09-17 | 2021-01-01 | 无锡利信能源科技有限公司 | Remote automatic unmanned calibration method for coal feeder |
| CN113916297B (en) * | 2021-10-18 | 2022-05-31 | 淮北矿业股份有限公司临涣选煤厂 | Coal measurement and quality inspection integrated intelligent management and control system |
| CN115014480A (en) * | 2022-08-05 | 2022-09-06 | 徐州昊诺自动化科技有限公司 | High-precision belt scale calibration system and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB631802A (en) * | 1945-08-06 | 1949-11-10 | Buhler Brothers | Apparatus for weighing a continuous stream of material during flow |
| DE2804585A1 (en) * | 1978-02-03 | 1979-08-09 | Schenck Ag Carl | Feed conveyor for bulk material - has stationary weighing machine arranged before feed discharge end to vary conveyor speed |
| CN2185430Y (en) * | 1993-10-27 | 1994-12-14 | 冶金工业部钢铁研究总院 | Calibrator for belt weighing apparatus |
| WO2007104827A1 (en) * | 2006-02-17 | 2007-09-20 | Raumaster Oy | Apparatus and method for measuring of mass flow of fine grained material, especially coal fuel |
| CN101672685A (en) * | 2009-10-13 | 2010-03-17 | 江苏华通动力重工有限公司（中外合资） | Dynamic measurement system and dynamic measurement method of stabilized soil stirring equipment |
| 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 |
| CN203461453U (en) * | 2013-08-28 | 2014-03-05 | 徐州衡器厂有限公司 | Double-layer fixed-measurement feeding weigher |
| CN204128649U (en) * | 2014-07-23 | 2015-01-28 | 赛摩电气股份有限公司 | A kind of belted electronic balance |
| US9074923B2 (en) * | 2012-08-30 | 2015-07-07 | Hyer Industries, Inc. | System and methods for belt conveyor weighing based on virtual weigh span |
| CN105241537A (en) * | 2015-09-17 | 2016-01-13 | 赛摩电气股份有限公司 | Device and method for adjusting weighing precision stability of electronic belt scale |
| CN204963967U (en) * | 2015-08-03 | 2016-01-13 | 李玉杰 | Intelligent belt formula material monitoring devices that weighs |
-
2016
- 2016-07-27 CN CN201610605664.XA patent/CN106276155B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB631802A (en) * | 1945-08-06 | 1949-11-10 | Buhler Brothers | Apparatus for weighing a continuous stream of material during flow |
| DE2804585A1 (en) * | 1978-02-03 | 1979-08-09 | Schenck Ag Carl | Feed conveyor for bulk material - has stationary weighing machine arranged before feed discharge end to vary conveyor speed |
| CN2185430Y (en) * | 1993-10-27 | 1994-12-14 | 冶金工业部钢铁研究总院 | Calibrator for belt weighing apparatus |
| WO2007104827A1 (en) * | 2006-02-17 | 2007-09-20 | Raumaster Oy | Apparatus and method for measuring of mass flow of fine grained material, especially coal fuel |
| CN101672685A (en) * | 2009-10-13 | 2010-03-17 | 江苏华通动力重工有限公司（中外合资） | Dynamic measurement system and dynamic measurement method of stabilized soil stirring equipment |
| 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 |
| US9074923B2 (en) * | 2012-08-30 | 2015-07-07 | Hyer Industries, Inc. | System and methods for belt conveyor weighing based on virtual weigh span |
| CN203461453U (en) * | 2013-08-28 | 2014-03-05 | 徐州衡器厂有限公司 | Double-layer fixed-measurement feeding weigher |
| CN204128649U (en) * | 2014-07-23 | 2015-01-28 | 赛摩电气股份有限公司 | A kind of belted electronic balance |
| CN204963967U (en) * | 2015-08-03 | 2016-01-13 | 李玉杰 | Intelligent belt formula material monitoring devices that weighs |
| CN105241537A (en) * | 2015-09-17 | 2016-01-13 | 赛摩电气股份有限公司 | Device and method for adjusting weighing precision stability of electronic belt scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106276155A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106276155B (en) | A kind of Gravimetric Coal Feeders device and its calibration method | |
| CA2883433C (en) | System and methods for belt conveyor weighing | |
| RU2549208C2 (en) | High-precision belt weighing device | |
| CN108225533A (en) | A kind of method of calibration of weighing of belt conveyer scale | |
| CN104949748A (en) | Method for self-testing of electronic belt weighing in real-time and online way | |
| CN103471698B (en) | Checking method for electronic belt scale | |
| CN105806463A (en) | Material test-based constant belt weigher quantification accuracy detecting method and device | |
| CN102538923A (en) | Continuous measuring electronic belt scale | |
| CN104121970B (en) | A kind of signal processing method of belted electronic balance | |
| CN109425422A (en) | A kind of calibration method of proportioning belt scale | |
| CN205384070U (en) | Belt weigher for metallurgy | |
| CN101922960B (en) | Method and device for metering belt conveyor for weighing continuous balk cargo | |
| FI119706B (en) | Apparatus and method for measuring the mass flow of finely divided material, particularly fuel coal | |
| CN207095697U (en) | A kind of belt scale metering calibration equipment | |
| CN201903388U (en) | Weighing apparatus of belt feeder | |
| CN111780849B (en) | Material object calibration method for improving metering precision of coal feeder | |
| CN103674195A (en) | Weighing device based on electronic belt weighers and belt high-precision metering method | |
| CN108151836A (en) | A kind of high-precision suspension array belt weigher | |
| CN105547447B (en) | A kind of Coriolis scale method for detecting accuracy and device based on material experiment | |
| CN206990086U (en) | A kind of online mixing system of belt balance with high precision | |
| CN107152962A (en) | A kind of online mixing system of belt balance with high precision | |
| CN201780161U (en) | Belt scale compound checking device for metering conveyor | |
| CN101376253B (en) | Method and equipment for measuring shavings raw material for industrial production of shaving | |
| CN209506932U (en) | A kind of hinged split type Weighing feeder | |
| CN201852623U (en) | High-precision belt weighing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 221000 Luoshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Co-patentee after: NANJING SANAI IPC CO., LTD. Patentee after: Saimo Electrical Co., Ltd. Address before: 221000 Luoshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee before: Saimo Electrical Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 221000 Luoshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Co-patentee after: Nanjing Saimer Sanai Industrial Control Equipment Co., Ltd. Patentee after: Saimo Electrical Co., Ltd. Address before: 221000 Luoshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Co-patentee before: NANJING SANAI IPC CO., LTD. Patentee before: Saimo Electrical Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 221000 No. 2, Lo Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Co-patentee after: NANJING SANAI INDUSTRIAL AUTOMATION Co.,Ltd. Patentee after: Saimo Intelligent Technology Group Co., Ltd Address before: 221000 No. 2, Lo Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Co-patentee before: NANJING SANAI INDUSTRIAL AUTOMATION Co.,Ltd. Patentee before: SAIMO ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |