CN107290033A - Segregation metering method - Google Patents
Segregation metering method Download PDFInfo
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- CN107290033A CN107290033A CN201710600017.4A CN201710600017A CN107290033A CN 107290033 A CN107290033 A CN 107290033A CN 201710600017 A CN201710600017 A CN 201710600017A CN 107290033 A CN107290033 A CN 107290033A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/32—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using two or more weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/34—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them with electrical control means
- G01G19/346—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them with electrical control means involving comparison with a reference value
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The present invention discloses a kind of segregation metering method, measured using segregation, control computer real-time reception weighs the weight data that platform balance is transmitted, and weight data is filtered by filtering algorithm, obtain a stationary value, current this addition of steel scrap=current steady value last time stationary value, this addition of the actual weight being actually added into before weight=current steel scrap this addition of current steel scrap species+current steel scrap, if the difference for being actually added into target weight in weight and weighing information table of current steel scrap species is within ± 0.25 ton, represent that this kind of steel scrap is weighed to finish, program is weighed automatically into a kind of lower steel scrap, otherwise the weighing of current steel scrap species is continued, the information of change is sent to the car-mounted terminal of driving by control computer in real time simultaneously.The present invention can show that various types of steel scrap performance carries out feeding operation in real time, realize segregation accurate measurement, and actual value of weighing is fed back to steelmaking model, improve product quality.
Description
Technical field
The invention belongs to steel production ingredients technical field, and in particular to a kind of segregation metering method.
Background technology
Steel scrap is one of main material of steel-making, and the huge number of steel scrap, various steel scraps influence different to thermal balance.Mesh
Model steel-making mode being introduced preceding steel-smelting technology, the stability requirement to every various types of steel scrap weight of bucket is very high, otherwise will make more
Calculate inaccurate into model, the hit rate of influence temperature and composition, while also increasing steel-making cost.Existing waste steel ingredient mode is such as
Under：External steel scrap is by Freight Transport to steel scrap workshop, and a point species is deposited in steel scrap hole, and when dispensing, empty steel scrap bucket is put
On weighing apparatus, then ground waste steel ingredient person tells that driving work is each with intercom according to smelting steel grade and processing route requirement
Kind of steel scrap target weight, the information that driving work is informed according to ground staff, with sucker by steel scrap cheat inside various types of steel scrap inhale
Enter into steel scrap bucket, inform that driving work stops when the steel scrap total amount that ground waste steel ingredient person is observed in bucket reaches target weight
Operation, this steel scrap, which is weighed, to be completed.There is following shortcoming in this mode weighed：
1. manually intercom mode is transmitted for various instructions, labor strength is big, and information is not accurate enough.
2. moving operation work is without any weight information during weighing, each species steel scrap weight is manually estimated completely
Meter, the degree of accuracy it cannot be guaranteed that.
3. actual information of weighing can not pass to normatron, the steel scrap weight that causing model needs will be also manually entered.
The content of the invention
It is automatic raw the invention aims to overcome the deficiencies in the prior art there is provided a kind of segregation metering method
Weighed into steel scrap and instruct and be sent to the car-mounted terminal of driving, moving operation personnel according to car-mounted terminal show in real time it is various types of
Steel scrap performance carries out feeding operation, realizes segregation accurate measurement, and actual value of weighing is fed back to steelmaking model, carries
High yield quality.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of segregation metering method, it is characterised in that：Using segregation metering system, the segregation metering system
Including the control computer measured for steel scrap, the platform balance for weighing steel scrap, the car-mounted terminal being arranged in driving, the control
The input of computer processed is connected with the weighing instrument of platform balance, and for the weight information of real-time collecting platform balance, the control is calculated
The generation after steel grade information is smelted that one of input/output terminal of machine is used to receive the transmission of steelmaking process control system weighs information
Table, and the weight information of each steel scrap of steel grade to be smelted of weighing is sent to steelmaking process control system；The control is calculated
The two of the input/output terminal of machine are connected with car-mounted terminal, are weighed for being sent to car-mounted terminal in information table and weighing information table respectively
The corresponding real-time weighing information of steel scrap, and receive the input information of car-mounted terminal；The car-mounted terminal treats smelting steel for display
Information and weight information are planted, the weighing order of each steel scrap of steel grade to be smelted is adjusted；
Comprise the following steps that：
Step 1. when control computer receive steelmaking process control system transmission wait smelt steel grade information after, generation weigh letter
Table is ceased, control computer transfers the waste steel ingredient table pre-set from database, inquire steelmaking process control system hair
The target weight of various steel scraps needed for the steel grade to be smelted sent, the instruction execution state of the steel grade to be smelted and every kind of steel scrap are held
Whether row state is initially to wait, idle according to platform balance, the platform balance for specifying each steel scrap of steel grade to be smelted to weigh, and will be weighed
Information table is sent to car-mounted terminal, and car-mounted terminal shows the weighing information table of the steel grade to be smelted；
Step 2. control computer real-time reception weighs the weight data that platform balance is transmitted, and weight data is entered by filtering algorithm
Row filtering, obtains a stationary value, if obtained stationary value is a number for being less than 0.05 ton, represents that platform balance is idle, then
Empty hopper is placed on platform balance, 30 tons bigger than last time stationary value of current steady value and less than 37 tons represents that current weight is
Hopper weight, the instruction execution state for weighing steel grade to be smelted in information table now is changed into performing, given tacit consent to from wait from the weighing
The first steel scrap of information table starts to weigh, and current steel scrap is equal to the first steel scrap for weighing information table, the execution of this kind of steel scrap
State is changed into performing from wait, while the information of change is sent to the car-mounted terminal of driving by control computer in real time；
Step 3. moving operation person works start to be put into steel scrap into empty hopper, and control computer obtains a stationary value, institute
Stationary value is stated equal to gross weight, current steel scrap this addition=current steady value-last time stationary value, current steady value represents to work as
Preceding steel scrap this addition after gross weight, the last time stationary value represent current steel scrap this addition before gross weight i.e. this claim
Gross weight before amount, described this addition of current steel scrap represents the steel scrap weight of this addition of this kind of steel scrap species, current useless
This addition of the actual weight being actually added into before weight=current steel scrap this addition of steel grade class+current steel scrap, if currently
The difference for being actually added into target weight in weight and weighing information table of steel scrap species represents this kind of steel scrap within ± 0.25 ton
Weighing is finished, and the execution state of this kind of steel scrap is changed into terminating, and program is weighed automatically into a kind of lower steel scrap, otherwise continues current useless
The weighing of steel grade class, while the information of change is sent to the car-mounted terminal of driving by control computer in real time；
A kind of steel scrap weighing state is changed into performing from waiting under step 4., and the current steel scrap species that weighs is changed into a kind of lower steel scrap, weight
Multiple step 3, until all steel scraps weighing needed for the steel grade to be smelted is finished, when hanging away hopper, whole piece instruction execution state by
Execution is changed into terminating, and all weighing data typings are weighed in the database of information table, and is sent to the confession of steelmaking process control system
Steelmaking model is used.
The segregation metering method obtains the net weight of the steel grade steel scrap to be smelted of this in hopper in real time, and net weight=gross weight-
Hopper weight, the net weight represents to add steel scrap weight in the hopper obtained after steel scrap into hopper every time.
The filtering algorithm is Glitch Filter method, and Glitch Filter method is that the value for receiving first time is used as reference value, next time
The value received is compared with reference value, if difference is less than 0.03 ton, counter adds 1, the value then received more next time, if
Difference is more than 0.03 ton of so counter O reset, and currency finds stationary value again as reference value, until counter writes 10 all over
~20, then currency is used as stationary value.
The steel grade packet to be smelted includes enterprise number, plan start time, smelts steel grade and processing route.
The weighing information table includes instruction flow line number, hopper numbering, driving numbering, platform balance numbering, Hopper Weight, gross weight
Amount, net weight, the acquiescence execution sequence number of every kind of steel scrap and target weight and every kind of steel scrap are actually added into weight, every kind of steel scrap
The instruction execution state of execution state, the steel grade to be smelted.
The moving operation personnel can change the weighing order of each steel scrap by car-mounted terminal, and be sent to control calculating
Machine.
The control computer is communicated by interchanger with steelmaking process control system, and control computer passes through wireless
Network is communicated with car-mounted terminal, and the car-mounted terminal uses portable computer.
The platform balance for being used to weigh steel scrap is provided with many, and the display screen of the control computer is divided into multiple regions, often
Individual region shows the weighing information of a platform balance.
Beneficial effects of the present invention：Segregation metering method of the present invention, using segregation metering system, specific steps
It is as follows：Control computer real-time reception weighs the weight data that platform balance is transmitted, and weight data is filtered by filtering algorithm
Ripple, obtains a stationary value, because it is to fluctuate that hopper lifting, which puts down and inhaled iron pan to discharge steel scrap to data during hopper, institute
To be filtered to data, so as to obtain the weight of current steady, the accuracy rate of weighing is improved.If obtained stationary value
It is one and is less than 0.05 ton, represents that platform balance is idle, then empty hopper is placed on platform balance, current steady value is than last time stationary value
Big 30 tons and less than 37 tons, it is hopper weight to represent the weight, and typing weighs the hopper weight of information table, treating smelting in weighing information table
The instruction execution state of steelmaking kind is changed into performing from wait, and acquiescence is weighed since the first steel scrap of the weighing information table, should
The execution state for planting steel scrap is changed into performing from wait, while being sent to the car-mounted terminal of driving, car-mounted terminal shows that this waits to smelt
The weighing information table of steel grade, moving operation person works start to be put into steel scrap into empty hopper, can point out the operating personnel that drive a vehicle
Start to feed into hopper and weighed.Control computer obtains a stationary value, this addition=current steady of current steel scrap
Value-last time stationary value, current steady value represents the gross weight after this addition of current steel scrap, and the last time stationary value represents current
Gross weight before this addition of steel scrap is the gross weight before this weighing, and described this addition of current steel scrap represents this kind of steel scrap
The steel scrap weight of this addition of species, being actually added into for current steel scrap species is actual heavy before weight=currently this addition of steel scrap
Amount+current steel scrap this addition, if current steel scrap species is actually added into weight with weighing target weight in information table
Difference is within ± 0.25 ton, and the execution state of this kind of steel scrap is changed into terminating, and program is weighed automatically into a kind of lower steel scrap, next
Steel scrap weighing state is planted to be changed into performing from waiting, until all steel scraps needed for the steel grade to be smelted weigh completion and hang away hopper,
Whole piece instruction execution terminates, and is sent to steelmaking process control system and is used for steelmaking model.This method segregation metering system
The various types of steel scrap performance shown in real time according to car-mounted terminal using moving operation personnel carries out feeding operation, is no longer logical
Driving operating personnel's estimated weight is crossed, weighing efficiency and the degree of accuracy is improved, has reduced manually labor intensity, and will arrive automatically
Actual information of weighing is sent to steelmaking process control system, realizes intelligentized control method, it is ensured that the actual weight of every kind of steel scrap
Close to target weight, the degree of accuracy for weighing weight is improved, improves the precision that model is calculated, it is ensured that to treat the product of smelting steel
Quality.
The segregation metering method obtains the net weight of the steel grade steel scrap to be smelted of this in hopper in real time, and net weight=gross weight-
Hopper weight, the net weight represents to add steel scrap weight in the hopper obtained after steel scrap into hopper every time, is easy to understand mesh in real time
The weighing situation of preceding steel grade steel scrap to be smelted.
The filtering algorithm is Glitch Filter method, and Glitch Filter method is that the value for receiving first time is used as reference value, next time
The value received is compared with reference value, if difference is less than 0.03 ton, counter adds 1, the value then received more next time, if
Difference is more than 0.03 ton of so counter O reset, and currency finds stationary value again as reference value, until counter writes 10 all over
~20, then currency is as stationary value, and the algorithm ensure that the numerical value of weighing is more accurate.
The weighing information table includes instruction flow line number, hopper numbering, driving numbering, platform balance numbering, Hopper Weight, gross weight
Amount, net weight, the acquiescence execution sequence number of every kind of steel scrap and target weight and every kind of steel scrap are actually added into weight, every kind of steel scrap
The instruction execution state of execution state, the steel grade to be smelted.Instruction flow line number is used for representing every instruction, one stream of an instruction
Water number, is not repeated, and one instruction flow line number of increase Jia 1 automatically.There are multiple hoppers, hopper number is used as marking each hopper, driving
Numbering be easy to difference to be refueled by that driving, is easy to specification moving operation personnel by these information, and make row
The car operating personnel definitely operation of oneself.The control computer transfers the waste steel ingredient pre-set from database
Table, inquire steelmaking process control system transmission steel grade to be smelted needed for various steel scraps target weight.By looking into automatically
The target weight of each steel scrap of steel grade to be smelted is ask, both ensure that by standard dispensing, additionally it is possible to save the time, work effect is improved
Really.
The moving operation personnel can change the weighing order of each steel scrap by car-mounted terminal, and be sent to control calculating
Machine.It is if for some reason, the steel scrap currently weighed can not continue operation, such as corresponding useless during weighing
There is lorry in steel hole toward charging in hole, and moving operation work can select the steel scrap of other wait states as current on tablet personal computer
Steel scrap of weighing is first carried out, and changes the order of weighing of acquiescence.The weighing order of steel scrap can be adjusted flexibly, to improve the work of weighing
Efficiency.Current weighing steel scrap species can be automatically selected by default sequence also changes suitable by moving operation personnel by tablet personal computer
Sequence.
The control computer is communicated by interchanger with steelmaking process control system, and control computer passes through wireless
Network is communicated with car-mounted terminal, and the car-mounted terminal uses portable computer, such as tablet personal computer, removable computer, flat board electricity
Brain volume is small, tangible operation.
The platform balance for being used to weigh steel scrap is provided with many, and the display screen of the control computer is divided into multiple regions, often
Individual region shows the weighing information of a platform balance.Operating efficiency can be improved by being weighed by many platform balances.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the upper part of flow chart；
Fig. 3 is the middle part of flow chart；
Fig. 4 is the lower part of flow chart.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 4, a kind of segregation metering method, using segregation metering system, the steel scrap point
Class metering system includes being used for the control computer 1 of steel scrap metering, the platform balance 2 for weighing steel scrap, the car being arranged in driving
Mounted terminal 3, the input of the control computer 1 is connected by serial ports with the weighing instrument of platform balance 2, for real-time collecting platform balance
Weight information, control computer receives three gravimetric values of platform balance transmission about each second, and the control computer 1 is arranged on
In control room, one of input/output terminal of the control computer 1 is connected by network with steelmaking process control system, for connecing
Receive the generation after steel grade information is smelted that steelmaking process control system sends and weigh information table, and by the steel grade to be smelted of weighing
The weight information of each steel scrap be sent to steelmaking process control system, the steel grade packet to be smelted includes enterprise number, plan and opened
Begin moment, smelting steel grade and processing route.The weighing information table includes instruction flow line number, hopper numbering, driving numbering, platform balance
Numbering, Hopper Weight（Initial value is 0）, gross weight（Initial value is 0）, net weight（Initial value is 0）, every kind of steel scrap acquiescence perform
Serial number and target weight and current steel scrap species are actually added into weight（Initial value is 0）, every kind of steel scrap execution state（Just
Begin to wait）, the steel grade to be smelted instruction execution state（It is initially wait）, the control computer transfers from database
The waste steel ingredient table that pre-sets, inquires the various steel scraps needed for the steel grade to be smelted of steelmaking process control system transmission
Target weight, the database be segregation continuous data storehouse, the waste steel ingredient table before by extractive metallurgy technician data inputting
Only need to inquire corresponding data according to steel grade and processing route in the database of the memory of control computer, when using.Institute
State the input/output terminal of control computer 1 two are connected by wireless network with car-mounted terminal 3, are given birth to for being sent to car-mounted terminal
Into weighing information table steel grade information to be smelted and weigh the corresponding real-time weighing information of each steel scrap in information table, and receive vehicle-mounted
The input information of terminal.The car-mounted terminal 3 is used to show steel grade information to be smelted and weight information, adjusts steel grade to be smelted each
The weighing order of steel scrap.The control computer is communicated by interchanger with steelmaking process control system, control computer
Communicated by wireless network with car-mounted terminal, the wireless network is wireless aps, the car-mounted terminal uses portable electric
Brain, such as tablet personal computer, removable computer, control computer are connected with wireless aps with interchanger, car-mounted terminal with wireless aps connect from
And WLAN is constituted, whole network is while and steelmaking process control system（Make steel L2 systems）Connection.In the present embodiment, institute
State car-mounted terminal and use tablet personal computer, moving operation personnel check steel grade information to be smelted and weight information by tablet personal computer,
The weighing order of each steel scrap of steel grade to be smelted can also be adjusted by tablet personal computer.
Further：The platform balance 2 for being used to weigh steel scrap is provided with many, and the display screen of the control computer 1 is divided into
Multiple regions, each region shows the weighing information of a platform balance, and the platform balance for being used to weigh steel scrap described in the present embodiment is provided with
Two, the display screen of the control computer is divided into two regions, and each region shows the weighing information of a platform balance.Referring to figure
In 1, provided with six steel scrap holes in the present embodiment, each steel scrap hole is placed built with different steel scraps, every three steel scraps hole correspondence
One platform balance, is easy to weigh nearby, improves and weighs efficiency.
Comprise the following steps that：
Step 1：When control computer receive steelmaking process control system transmission wait smelt steel grade information after, generation weigh letter
Table is ceased, the steel grade packet to be smelted includes enterprise number, plan start time, smelts steel grade and processing route.It is described to weigh letter
Ceasing table includes instruction flow line number, hopper numbering, driving numbering, platform balance numbering, Hopper Weight, gross weight, net weight, every kind of steel scrap
Acquiescence execution sequence number and target weight and every kind of steel scrap be actually added into weight, the execution state of every kind of steel scrap, this waits to smelt
The instruction execution state of steel grade.Control computer transfers the waste steel ingredient table pre-set from database, inquires steel-making
The target weight of various steel scraps needed for the steel grade to be smelted that Process Control System is sent, and it imported into the mesh weighed in information table
In indicated weight amount.The execution state of the instruction execution state of the steel grade to be smelted and every kind of steel scrap is initially to wait, according to platform balance
Platform balance that is whether idle, specifying each steel scrap of steel grade to be smelted to weigh, and it is sent to car-mounted terminal, vehicle-mounted end by information table is weighed
End shows the weighing information table of the steel grade to be smelted, so that operating personnel can timely recognize production plan；
Step 2：Under wait state, control computer real-time reception weighs the weight data that platform balance is transmitted, and passes through filtering algorithm
Weight data is filtered, a stationary value is obtained, because hopper lifting is put down and inhaled iron pan and discharges steel scrap to hopper process
Middle data are fluctuations, so to be filtered to data, so that the weight of current steady is obtained, to improve the standard of weighing data
Exactness.The filtering algorithm is Glitch Filter method, and Glitch Filter method is the value that receive as reference value, to receive next time for the first time
Value compared with reference value, if difference be less than 0.03 ton, counter adds 1, the value then received more next time, if difference
More than 0.03 ton so counter O reset, currency finds stationary value again as reference value, until counter writes 10~20 all over
Individual, the numerical value can be adjusted according to the serial ports data amount check per second received, until counter writes 20 all in the present embodiment
It is individual, then currency, as stationary value, is most preferred embodiment.If obtained stationary value, which is one, is less than 0.05 ton, platform is represented
Scale is idle, and then empty hopper is placed on platform balance, 30 tons bigger than last time stationary value of current steady value and less than 37 tons, and representing should
Weight is hopper weight, and typing weighs the hopper weight of information table, and the instruction for weighing steel grade to be smelted in information table now is performed into shape
State is changed into performing from wait, and acquiescence is weighed since the first steel scrap of the weighing information table, the execution state of this kind of steel scrap from
Wait is changed into performing, while control computer is by the information of change（Such as weigh information, the execution state of every kind of steel scrap）Pass through
Wireless network transmission is sent to car-mounted terminal in real time；
Step 3：Moving operation person works start to be put into steel scrap into empty hopper, and control computer obtains a stationary value, institute
Stationary value is stated equal to gross weight, current steel scrap this addition=current steady value-last time stationary value, current steady value represents to work as
Preceding steel scrap this addition after gross weight, the last time stationary value represent current steel scrap this addition before gross weight i.e. this claim
Gross weight before amount, described this addition of current steel scrap represents the steel scrap weight of this addition of this kind of steel scrap species, current useless
This addition of the actual weight being actually added into before weight=current steel scrap this addition of steel grade class+current steel scrap, it is described current
Steel scrap this addition before actual weight be that this kind of steel scrap has weighed, current steel scrap species be actually added into weight assignment to claim
Corresponding steel scrap is actually added into weight in amount information table, if current steel scrap species is actually added into weight with weighing information table
The difference of middle target weight represents that this kind of steel scrap is weighed and finished, the execution state of this kind of steel scrap is changed into knot within ± 0.25 ton
Beam, program is weighed automatically into a kind of lower steel scrap, otherwise continues the weighing of current steel scrap species until the reality of current steel scrap species
Border adds weight with weighing the difference of target weight in information table within ± 0.25 ton, while control computer is by the letter of change
Breath is sent to the car-mounted terminal of driving in real time.
Step 4：A kind of lower steel scrap weighing state is changed into performing from waiting, repeat step 3, until needed for the steel grade to be smelted
All steel scraps weigh and complete, then hang away the hopper equipped with steel scrap, when the hopper equipped with steel scrap is hung oneself away from platform balance, if this
Secondary stationary value is less than 0.05 ton of number, and last time stationary value is greater than 37 tons of number, and now whole piece instruction execution state is by performing
It is changed into terminating, all weighing data typings are weighed in the database of information table, and the database is stored in control computer, and
Steelmaking process control system is sent to use for steelmaking model.Wait to smelt, it is necessary to obtain this in hopper in real time during weighing
The net weight of steel grade steel scrap, net weight=gross weight-hopper weight, the net weight represents to add the material obtained after steel scrap into hopper every time
Steel scrap weight in bucket, in order to moving operation, personnel understand having weighed for all steel scraps of steel grade to be smelted the moment.
The moving operation personnel can change the weighing order of each steel scrap by car-mounted terminal, and be sent to control calculating
Machine.The step 3, during weighing, if for some reason, when the steel scrap currently weighed can not continue operation,
Moving operation personnel can be by car-mounted terminal to the steel scrap weighing order after control computer transmission change, and control computer is sentenced
Whether line-break car operating personnel have selected the steel scrap species of other wait states, if having made steel scrap weighing order modification, claim
The current steel scrap species weighed performs state and is set to wait by performing in amount information table, weighs car-mounted terminal in information table and selects
The steel scrap species selected performs state and is set to execution by waiting, the steel scrap species of the steel scrap species currently weighed=car-mounted terminal selection,
And the command information being carrying out is sent to the car-mounted terminal of driving.Such as corresponding steel scrap hole has lorry to add into cheating
Material, moving operation work can select the steel scrap of other wait states to be first carried out as current steel scrap of weighing on car-mounted terminal, change
The order of weighing of acquiescence, is adjusted flexibly weighing order, so as to improve weighing efficiency by moving operation personnel.
Claims (8)
1. a kind of segregation metering method, it is characterised in that：Using segregation metering system, the segregation metering system
System includes being used for the control computer of steel scrap metering, the platform balance for weighing steel scrap, the car-mounted terminal being arranged in driving, described
The input of control computer is connected with the weighing instrument of platform balance, for the weight information of real-time collecting platform balance, the control meter
The generation after steel grade information is smelted that one of input/output terminal of calculation machine is used to receive the transmission of steelmaking process control system weighs letter
Table is ceased, and the weight information of each steel scrap of steel grade to be smelted of weighing is sent to steelmaking process control system；The control meter
The two of the input/output terminal of calculation machine are connected with car-mounted terminal, are weighed for being sent to car-mounted terminal in information table and weighing information table
The corresponding real-time weighing information of each steel scrap, and receive the input information of car-mounted terminal；The car-mounted terminal, which is used to show, to be waited to smelt
Steel grade information and weight information, adjust the weighing order of each steel scrap of steel grade to be smelted；
Comprise the following steps that：
Step 1. when control computer receive steelmaking process control system transmission wait smelt steel grade information after, generation weigh letter
Table is ceased, control computer transfers the waste steel ingredient table pre-set from database, inquire steelmaking process control system hair
The target weight of various steel scraps needed for the steel grade to be smelted sent, the instruction execution state of the steel grade to be smelted and every kind of steel scrap are held
Whether row state is initially to wait, idle according to platform balance, the platform balance for specifying each steel scrap of steel grade to be smelted to weigh, and will be weighed
Information table is sent to car-mounted terminal, and car-mounted terminal shows the weighing information table of the steel grade to be smelted；
Step 2. control computer real-time reception weighs the weight data that platform balance is transmitted, and weight data is entered by filtering algorithm
Row filtering, obtains a stationary value, if obtained stationary value is a number for being less than 0.05 ton, represents that platform balance is idle, then
Empty hopper is placed on platform balance, 30 tons bigger than last time stationary value of current steady value and less than 37 tons represents that current weight is
Hopper weight, the instruction execution state for weighing steel grade to be smelted in information table now is changed into performing, given tacit consent to from wait from the weighing
The first steel scrap of information table starts to weigh, and current steel scrap is equal to the first steel scrap for weighing information table, the execution of this kind of steel scrap
State is changed into performing from wait, while the information of change is sent to the car-mounted terminal of driving by control computer in real time；
Step 3. moving operation person works start to be put into steel scrap into empty hopper, and control computer obtains a stationary value, institute
Stationary value is stated equal to gross weight, current steel scrap this addition=current steady value-last time stationary value, current steady value represents to work as
Preceding steel scrap this addition after gross weight, the last time stationary value represent current steel scrap this addition before gross weight i.e. this claim
Gross weight before amount, described this addition of current steel scrap represents the steel scrap weight of this addition of this kind of steel scrap species, current useless
This addition of the actual weight being actually added into before weight=current steel scrap this addition of steel grade class+current steel scrap, if currently
The difference for being actually added into target weight in weight and weighing information table of steel scrap species represents this kind of steel scrap within ± 0.25 ton
Weighing is finished, and the execution state of this kind of steel scrap is changed into terminating, and program is weighed automatically into a kind of lower steel scrap, otherwise continues current useless
The weighing of steel grade class, while the information of change is sent to the car-mounted terminal of driving by control computer in real time；
A kind of steel scrap weighing state is changed into performing from waiting under step 4., and the current steel scrap species that weighs is changed into a kind of lower steel scrap, weight
Multiple step 3, until all steel scraps weighing needed for the steel grade to be smelted is finished, when hanging away hopper, whole piece instruction execution state by
Execution is changed into terminating, and all weighing data typings are weighed in the database of information table, and is sent to the confession of steelmaking process control system
Steelmaking model is used.
2. segregation metering method according to claim 1, it is characterised in that：The segregation metering method is obtained in real time
The net weight of the steel grade steel scrap to be smelted of this in feeding bucket, net weight=gross weight-hopper weight, the net weight represents into hopper to add every time
Enter steel scrap weight in the hopper obtained after steel scrap.
3. segregation metering method according to claim 1, it is characterised in that：The filtering algorithm is Glitch Filter method,
Glitch Filter method be will the value that receive is as reference value for the first time, the value that next time receives is compared with reference value, if difference is less than
0.03 ton, counter adds 1, the value then received more next time, if difference is more than 0.03 ton of so counter O reset, currently
Value finds stationary value, until counter writes 10~20 all over, then currency is used as stationary value again as reference value.
4. segregation metering method according to claim 1, it is characterised in that：The steel grade packet to be smelted includes meter
Draw number, plan start time, smelt steel grade and processing route.
5. segregation metering method according to claim 1, it is characterised in that：The weighing information table includes instruction flow line
Number, hopper numbering, driving numbering, platform balance numbering, Hopper Weight, gross weight, net weight, the acquiescence execution sequence number of every kind of steel scrap and
The be actually added into weight, the execution state of every kind of steel scrap, the instruction of the steel grade to be smelted of target weight and every kind of steel scrap perform shape
State.
6. segregation metering method according to claim 1, it is characterised in that：The moving operation personnel can pass through car
Mounted terminal changes the weighing order of each steel scrap, and is sent to control computer.
7. segregation metering method according to claim 1, it is characterised in that：The control computer passes through interchanger
Communicated with steelmaking process control system, control computer is communicated by wireless network with car-mounted terminal, it is described vehicle-mounted
Terminal uses portable computer.
8. segregation metering method according to claim 1, it is characterised in that：The platform balance for being used to weigh steel scrap is set
There are many, the display screen of the control computer is divided into multiple regions, and each region shows the weighing information of a platform balance.
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| CN201710600017.4A CN107290033A (en) | 2017-07-21 | 2017-07-21 | Segregation metering method |
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| CN201710600017.4A CN107290033A (en) | 2017-07-21 | 2017-07-21 | Segregation metering method |
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Application publication date: 20171024 |