CN205898267U - Driving steel water metering system - Google Patents

Driving steel water metering system Download PDF

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Publication number
CN205898267U
CN205898267U CN201620812155.XU CN201620812155U CN205898267U CN 205898267 U CN205898267 U CN 205898267U CN 201620812155 U CN201620812155 U CN 201620812155U CN 205898267 U CN205898267 U CN 205898267U
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China
Prior art keywords
weight
driving
data
computer
card reader
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CN201620812155.XU
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Chinese (zh)
Inventor
郑磊
漆辉贤
李扬军
文良
严刚
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ELECTRONICS Co Ltd CHONGQING IRON AND STEEL GROUP
Chongqing Iron and Steel Group Co Ltd
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ELECTRONICS Co Ltd CHONGQING IRON AND STEEL GROUP
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Abstract

The utility model relates to a driving steel water metering system, the optical network comprises a computer, RFID card reader and installing at driving balance and RFID label in the driving, the RFID card reader is installed in converter tapping position, through the discernment driving of RFID radio frequency technology whether on converter tapping position, the computer reads the label serial number of the RFID label in the driving through the RFID card reader, the driving balance is used for detecting the weight of ladle, and send the receiving equipment for corresponding with weight data, the computer is used for reading the weight data in the receiving equipment, but then combine the position sigual reasoning from logic play type of weighing, it irritates weight and heavily irritates weight to calculate the sky respectively, and subtract the empty net weight that weight obtained the molten steel of irritating with heavily irritating weight, the computer is with the net weight, the tapping position, the type of weighing, heavy jar weight, a complete record logging data storehouse is constituteed to empty can weight. It can use driving balance precise measurement molten steel weight to can automatic match the furnace base of converter.

Description

Driving molten steel metering system
Technical field
The utility model is related to steel industry Metal Weight metering field and in particular to a kind of driving molten steel metering system.
Background technology
Can tap after the completion of steel mill blowing, molten steel is poured into great Bao.Tapping requires to obtain the weight of molten steel after terminating, with Operation accurately grasps tap after an action of the bowels, and this weighs to light irrigation before requiring tapping, and after tapping, counterweight fills and weighs, and then calculates this The net weight of stove molten steel.A lot of steel mills all use steel cart balance, steel cart balance metering little, the high precision of fluctuation before.But due to installing Position on steel car, work under bad environment, the molten steel being easily sprayed burns out, and maintenance is big, also very inconvenient.
In the driving filling for handling molten steel, running scale is installed, the data of scale can be wirelessly transmitted to terrestrial operation room.But During handling, due to not being static stress, so data is fluctuation, if manually to read the wink in a certain moment Duration, is the accurate weight that can not represent this stove, and the ladle of the multiple converter of multiple driving energy handling, ladle have again light irrigation and Fill weight, if it is also unpractical for manually distinguishing the reading of multiple scales and corresponding stove seat corresponding relation again.
Content of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of driving molten steel metering system, its energy With running scale accurate measurement Metal Weight, and can Auto-matching converter stove seat, simultaneously the computer of incoming for weighing results mes System.
The purpose of this utility model is achieved in that
A kind of driving molten steel metering system, including computer, rfid card reader and be arranged on running scale in driving and Rfid label, whether described rfid card reader is used for by the identification driving of rfid radio-frequency technique in converter tapping position, described Rfid card reader is set up communication with computer and is connected, and described computer passes through rfid card reader and reads the rfid label in driving Tag number, described running scale is used for detecting the weight of ladle, and weight data is sent to corresponding receiving device, described meter Calculation machine is used for reading the weight data in receiving device, reasoning from logic can go out type of weighing then in conjunction with position signalling, count respectively Calculate empty fill weight and fill weight again, and filled weight again and deducted the net weight that empty filling weight obtains molten steel, computer is by net weight, tapping Position, type of weighing, weight tank weight, slack tank weight form a complete documentation and are stored in database, send information to mes simultaneously. Computer is the equipment with Data Analysis Services function.Receiving device is supported the use with wire-less vehicle-running scale, realizes the nothing of data Line receives.
Described rfid card reader is arranged on converter tapping position corresponding Crane Rail side.
Described rfid card reader is connected with computer by Ethernet.
Described running scale is wirelessly connected with receiving device, and described computer is with receiving device by serial ports even Connect.
Described computer is used for filtering out empty filling weight data, the invalid data again filling in weight data respectively, fills to empty Weight data, the valid data again filling in weight data carry out arithmetic average, respectively obtain empty filling weight and fill weight again.
The workflow of this driving molten steel metering system, comprises the steps:
1) there is ladle mark when having ladle mark, leave when storing weight array in computer, arriving bit flag first, put in place Will, mark of effectively weighing, average weight, type of weighing, will have ladle mark when storing weight array, arriving bit flag first, put in place Will, ladle mark, mark of effectively weighing, average weight, type of weighing is had all to set to 0 when leaving.
2) whether rfid card reader real-time detection driving, judge driving on converter tapping position.Described rfid card reader peace It is contained in converter tapping position corresponding Crane Rail side.
21) when rfid card reader detects and drives a vehicle on converter tapping position, computer reads the weight of running scale detection Data, and judge to arrive whether bit flag puts 1 first, if arrive bit flag first setting to 0, bit flag will be arrived first and put 1, and will drive a vehicle The current weight just arriving to running scale detection during converter tapping position is compared with the first standard value, judges that driving just arrives to converter Ladle is had or not, if the current weight that driving just arrives to running scale detection during converter tapping position is more than or equal to first during tapping position Standard value, then have ladle mark to put 1 when will put in place, if driving just arrives to the current weight of running scale detection during converter tapping position Less than the first standard value, then there is ladle mark to set to 0 when will put in place, continue step 3);If arriving bit flag first to put 1, directly continue Continuous step 3);
22) when rfid card reader detects driving not in converter tapping position, judge to arrive whether bit flag puts 1 first, if Arrive bit flag first to set to 0, then return to step 2);If arriving bit flag first to put 1, bit flag will be arrived first and setting to 0, and will drive a vehicle just When leaving converter tapping position, the current weight of running scale detection is compared with the first standard value, judges that driving has just been left converter and gone out Ladle is had or not, if the current weight of running scale detection is more than or equal to the first mark when converter tapping position has just been left in driving during steel position Quasi- value, then have ladle mark to put 1 when will leave, if the current weight of running scale detection is little when converter tapping position has just been left in driving In the first standard value, then ladle mark will be had to set to 0 when will leave.Then proceed to step 4);
3) weight data is saved in weight array, return to step 2);
4) filter out the invalid data in weight array, arithmetic average is carried out to the valid data in weight array, obtains Average weight;
5) if there being ladle mark to put 1 when putting in place, there is ladle mark to set to 0 when leaving, and the average weight that step 4) obtains is big In or be equal to the first standard value and be less than the second standard value, then mark of effectively being weighed puts 1, and type of weighing is blow-down tank, step 4) average weight obtaining is slack tank weight, slack tank weight is saved in a new record of database, return to step 2);No Then, continue step 6);
6) if there being ladle mark to set to 0 when putting in place, there is ladle mark to put 1 when leaving, and the average weight that step 4) obtains is big In or be equal to the second standard value, then mark of effectively being weighed puts 1, and type of weighing is lift heavy tank, the average weight that step 4) obtains Attach most importance to tank weight, update the data the heavy tank weight of a nearest record in storehouse, form a complete documentation and be stored in database.
First standard value, the second standard value are manually set according to actual conditions.If the first standard value≤ladle weight < Second standard value, then ladle is slack tank, if ladle weight >=the second standard value, ladle is attached most importance to tank.
The concrete filter algorithm filtering out invalid data in weight array in step 4) is as follows: the weight in weight array Amount data is sorted, from small to large then using first weight data as standard weights, from the beginning of next weight data Compare with this standard weights successively, if weight data < standard weights+deviation, then these are met the weight requiring Data writes a new weight array, if weight data >=standard weights+deviation, then terminate specifically comparing, then The number of new weight array and the number of original weight amount array are compared, if the number of new weight array exceedes original weight The half of amount array, then judge that the value of new weight array is effective, otherwise using second weight data as standard weights Proceed as described above screening, until finding effective weight array.
The weight data that running scale is detected is compared with the first standard value, if weight data is less than the first standard value, Then judge no ladle in driving, if weight data is more than or equal to the first standard value, judge there is ladle in driving.
Step 3) is: the weight data that running scale is detected is compared with the first standard value, if the weight of running scale detection Amount data is more than or equal to the first standard value, then the weight data that running scale detects is saved in weight array, return to step 2);If the weight data of running scale detection is less than the first standard value, directly return to step 2).
Filled weight again and deducted the net weight that empty filling weight obtains molten steel, by net weight, steel-supplying position, type of weighing, weight tank weight Amount, slack tank weight, temporal information form a complete documentation and are stored in database, send information to mes simultaneously.
The beneficial effects of the utility model are: because the utility model passes through whether the identification driving of rfid radio-frequency technique is turning On stove tapping position, by the different rfid label of numbering is installed on driving, with running scale accurate measurement Metal Weight, automatic of energy Join the stove seat of converter.And using system fitting method of the present utility model can automatically accurate measurement light irrigation weight, again filling weight, The information such as Metal Weight, steel-supplying position, homework type (blow-down tank and lift heavy tank) and time form a complete documentation and are stored in Database, sends information to mes simultaneously, can will be apparent that being shown to which converter position has carried out once what operation, operation Weight is how many, when etc., decrease the labour intensity of workman, it is to avoid artificial error.And because the utility model filters Fall the invalid data such as weight of unstable state and middle interference data when lifting by crane in weight array, in weight array Valid data carry out arithmetic average, obtain average weight, and metering is more accurate.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description
Fig. 1 is the schematic diagram of driving molten steel metering system of the present utility model;
Fig. 2 is the flow chart of driving molten steel metering method of the present utility model.
Specific embodiment
Referring to Fig. 1, present embodiment discloses a kind of driving molten steel metering system, including computer 1, rfid card reader 2 with And it is arranged on the running scale in driving 3 and rfid label, described rfid card reader is arranged on converter tapping position, by rfid radio frequency Whether on converter tapping position, described rfid card reader is set up communication with computer and is connected for technology identification driving.Described rfid reads Card device is connected with computer by Ethernet switch 4.Rfid card reader of passing through described computer reads the rfid mark in driving The tag number signed, described running scale is used for detecting the weight of ladle, and weight data is sent to corresponding receiving device.Institute State running scale to be wirelessly connected with receiving device, described computer is connected by serial ports with receiving device.Described calculating Machine is used for reading the weight data in receiving device, reasoning from logic can go out type of weighing then in conjunction with position signalling, calculate respectively Empty fill weight and fill weight again, and filled again weight deduct empty fill the net weight that weight obtains molten steel, computer is by net weight, position of tapping Put, type of weighing, weight tank weight, slack tank weight form a complete documentation and is stored in database, send information to mes simultaneously.Meter Calculation machine is the equipment with Data Analysis Services function.Computer could alternatively be plc, single-chip microcomputer etc..The reception of the present embodiment Equipment is to receive instrument.
Referring to Fig. 2, present embodiment discloses the workflow of driving molten steel metering system, comprise the steps:
1) there is ladle mark when having ladle mark, leave when storing weight array in computer, arriving bit flag first, put in place Will, mark of effectively weighing, average weight, type of weighing, will have ladle mark when storing weight array, arriving bit flag first, put in place Will, ladle mark, mark of effectively weighing, average weight, type of weighing is had all to set to 0 when leaving.
2) whether rfid card reader real-time detection driving, judge driving on converter tapping position.
21) when rfid card reader detects and drives a vehicle on converter tapping position, computer reads the weight of running scale detection Data, and judge to arrive whether bit flag puts 1 first, if arrive bit flag first setting to 0, bit flag will be arrived first and put 1, and will drive a vehicle The current weight just arriving to running scale detection during converter tapping position is compared with the first standard value, judges that driving just arrives to converter Ladle is had or not, if the current weight that driving just arrives to running scale detection during converter tapping position is more than or equal to first during tapping position Standard value, then have ladle mark to put 1 when will put in place, if driving just arrives to the current weight of running scale detection during converter tapping position Less than the first standard value, then there is ladle mark to set to 0 when will put in place, continue step 3);If arriving bit flag first to put 1, directly continue Continuous step 3);
22) when rfid card reader detects driving not in converter tapping position, judge to arrive whether bit flag puts 1 first, if Arrive bit flag first to set to 0, then return to step 2);If arriving bit flag first to put 1, bit flag will be arrived first and setting to 0, and will drive a vehicle just When leaving converter tapping position, the current weight of running scale detection is compared with the first standard value, judges that driving has just been left converter and gone out Ladle is had or not, if the current weight of running scale detection is more than or equal to the first mark when converter tapping position has just been left in driving during steel position Quasi- value, then have ladle mark to put 1 when will leave, if the current weight of running scale detection is little when converter tapping position has just been left in driving In the first standard value, then ladle mark will be had to set to 0 when will leave.Then proceed to step 4).
The weight data that running scale is detected is compared with the first standard value, if weight data is less than the first standard value, Then judge no ladle in driving, if weight data is more than or equal to the first standard value, judge there is ladle in driving.Ladle has again Empty filling weight and again filling weight.First standard value, the second standard value are manually set according to actual conditions.First mark of the present embodiment Standard is worth for 20 tons, and the second standard value is 90 tons.20 tons≤weight<90 tons is slack tank, attaches most importance to tank in weight>=90 ton.
3) weight data is saved in weight array, return to step 2).Preferably, step 3) is: running scale is detected Weight data be compared with the first standard value, if running scale detection weight data be more than or equal to the first standard value, The weight data that running scale is detected is saved in weight array, return to step 2);If the weight data of running scale detection is less than First standard value, then direct return to step 2).
4) filter out the invalid data in weight array, arithmetic average is carried out to the valid data in weight array, obtains Average weight.The concrete filter algorithm filtering out invalid data in weight array in step 4) is as follows: in weight array Weight data is sorted from small to large, then using first weight data as standard weights, opens from next weight data Begin to compare with this standard weights successively, if weight data < standard weights+deviation, then these are met the weight requiring Amount data writes a new weight array, if weight data >=standard weights+deviation, then terminate specifically comparing, so Afterwards the number of new weight array and the number of original weight amount array are compared, if the number of new weight array exceed former The half of weight array, then judge that the value of new weight array is effective, otherwise using second weight data as standard weight Amount proceeds as described above screening, until finding effective weight array.Deviation is manually set according to actual conditions.Deviation is Drawn according to scene weighing data statistical analysis in real time.It is non-steady because the present embodiment middle rolling car is not also sling completely during ladle Determine state, the deviation between the weight under weight and stable state at this moment is far longer than 3 tons, and the data of unsteady state Number is far smaller than the 50% of whole data amount check.During at the uniform velocity lifting by crane, weight is stable state, the at this moment ripple between weight Move within 3 tons, and stablize the number of data and can be far longer than the 50% of whole data amount check, therefore, the present embodiment is inclined Difference is set to 3 tons.If weight data deducts standard weights and is less than 3 tons, judge this weight as the weight under stable state, and And all stablize data to account for more than the 50% of whole data volume just effective.If weight data deducts standard weights and is more than or waits In 3 tons, then judge this weight as weight during unsteady state.
5) if there being ladle mark to put 1 when putting in place, there is ladle mark to set to 0 when leaving, and the average weight that step 4) obtains is big In or be equal to the first standard value and be less than the second standard value, then mark of effectively being weighed puts 1, and type of weighing is blow-down tank, step 4) average weight obtaining is slack tank weight, slack tank weight is saved in a new record of database, return to step 2);No Then, continue step 6);
6) if there being ladle mark to set to 0 when putting in place, there is ladle mark to put 1 when leaving, and the average weight that step 4) obtains is big In or be equal to the second standard value, then mark of effectively being weighed puts 1, and type of weighing is lift heavy tank, the average weight that step 4) obtains Attach most importance to tank weight, update the data the heavy tank weight of a nearest record in storehouse, form a complete documentation and be stored in database.To weigh Fill weight deduct empty fill the net weight that weight obtains molten steel, by net weight, steel-supplying position, type of weighing, weight tank weight, slack tank weight, Temporal information forms a complete documentation and is stored in database, sends information to mes simultaneously.
The utility model can have one or more converter tapping positions, and the present embodiment taking 3 converter tapping positions is as a example carried out Explanation.Whether reach tapping position position with the identification driving of rfid radio-frequency technique.At 0.5 meter of Crane Rail edge, turn at corresponding 3 Stove steel-supplying position corresponding Crane Rail side is respectively mounted rfid card reader, and 3 drivings are installed the different rfid label of numbering, Card reader passes through Ethernet and the computer on ground connects.So carry out lifting operation when driving reaches tapping hole, computer leads to Cross the tag number that card reader reads in driving, thus knowing which platform driving just carries out lifting operation in which converter tapping position.3 Weight data is wirelessly transmitted to the corresponding receiving device on ground by the running scale of platform driving, and computer is read in table by serial ports The weight data in face, reasoning from logic can go out blow-down tank, lift heavy tank then in conjunction with position signalling, three kinds of job states such as pass by.Tool Body decision logic is as follows:
1. reaching tapping position has ladle, leaves tapping position no ladle, is judged as blow-down tank.
2. reach tapping position no ladle, leaving tapping position has ladle, is judged as lift heavy tank.
3. it is consistent with the weight type reaching tapping position to leave tapping position, is judged as that driving passes by.
When driving reaches tapping position, computer read a weight data every 0.3 second and is saved in weight array, when When tapping position is left in driving, the data in weight array is screened, filter out during lifting the weight of unstable state and in Between interference data.Arithmetic average is carried out to the valid data in weight array, obtains average weight.This weight and above Steel-supplying position and homework type together, just can obtain which converter position has carried out once what operation, the weight of operation is How much.After the completion of blow-down tank of one steel-supplying position and a lift heavy tank, just can obtain the net weight of molten steel.Steel-supplying position, work Industry type (blow-down tank and lift heavy tank), operation weight, net weight form a complete documentation and are stored in database, send information to simultaneously mes.
The utility model is not limited solely to above-described embodiment, without departing substantially from technical solutions of the utility model spirit In the case of carry out the technical scheme of few modifications, protection domain of the present utility model should be fallen into.

Claims (6)

1. a kind of driving molten steel metering system it is characterised in that: include computer, rfid card reader and be arranged in driving Running scale and rfid label, whether described rfid card reader is used for by the identification driving of rfid radio-frequency technique in converter tapping position On, described rfid card reader is set up communication with computer and is connected, and described computer passes through rfid card reader and reads in driving The tag number of rfid label, described running scale is used for detecting the weight of ladle, and weight data is sent to corresponding reception Equipment, described computer is used for reading the weight data in receiving device, can reasoning from logic go out to weigh then in conjunction with position signalling Type, calculate respectively empty fill weight and fill weight again, and filled weight again and deducted the net weight that empty filling weight obtains molten steel, computer Net weight, steel-supplying position, type of weighing, weight tank weight, slack tank weight are formed a complete documentation and is stored in database.
2. system according to claim 1 it is characterised in that: described rfid card reader passes through Ethernet and computer even Connect.
3. system according to claim 1 it is characterised in that: described running scale is wirelessly with receiving device even Connect, described computer is connected by serial ports with receiving device.
4. system according to claim 1 it is characterised in that: described computer be used for being stored into net weight in database, Steel-supplying position, type of weighing, weight tank weight, the record of slack tank weight composition are sent to mes.
5. system according to claim 1 it is characterised in that: described computer is used for filtering out respectively and empty fills weight number According to, the invalid data filling in weight data again, to empty fill weight data, the valid data again filling in weight data carry out arithmetic and put down All, respectively obtain empty filling weight and fill weight again.
6. system according to claim 1 it is characterised in that: it is corresponding that described rfid card reader is arranged on converter tapping position Crane Rail side.
CN201620812155.XU 2016-07-29 2016-07-29 Driving steel water metering system Active CN205898267U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225892A (en) * 2016-07-29 2016-12-14 重庆钢铁集团电子有限责任公司 Driving molten steel metering method and system
CN107402059A (en) * 2017-07-28 2017-11-28 杭州高达软件系统股份有限公司 One kind driving kinds of goods Weighing method
CN113049077A (en) * 2021-03-04 2021-06-29 柳州钢铁股份有限公司 Automatic metering system and metering method for open tank

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225892A (en) * 2016-07-29 2016-12-14 重庆钢铁集团电子有限责任公司 Driving molten steel metering method and system
CN106225892B (en) * 2016-07-29 2022-03-22 重庆钢铁集团电子有限责任公司 Traveling crane molten steel metering method and system
CN107402059A (en) * 2017-07-28 2017-11-28 杭州高达软件系统股份有限公司 One kind driving kinds of goods Weighing method
CN107402059B (en) * 2017-07-28 2019-12-24 杭州高达软件系统股份有限公司 Weighing method for traveling crane goods
CN113049077A (en) * 2021-03-04 2021-06-29 柳州钢铁股份有限公司 Automatic metering system and metering method for open tank
CN113049077B (en) * 2021-03-04 2022-05-31 柳州钢铁股份有限公司 Automatic metering system and metering method for open tank

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