CN105755207A - Method for controlling compositions in refining procedures - Google Patents
Method for controlling compositions in refining procedures Download PDFInfo
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- CN105755207A CN105755207A CN201610133548.2A CN201610133548A CN105755207A CN 105755207 A CN105755207 A CN 105755207A CN 201610133548 A CN201610133548 A CN 201610133548A CN 105755207 A CN105755207 A CN 105755207A
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- refining process
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- control system
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- control method
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Abstract
The invention discloses a method for controlling compositions in refining procedures.The method includes computing information of materials required in the refining procedures according to target values of the compositions and compositions of return samples by the aid of secondary control systems and issuing the information to primary control systems; executing shipment feeding instructions by the aid of the primary control systems so as to match categories of the materials with selected bins; starting electric vibrators to weigh the materials to obtain material quantities if the categories of the materials are consistently matched with the selected bins; starting to transport the materials after the materials are completely weighed, judging whether discharge operation for previous batch is carried out at present or not after the materials are completely transported, executing discharge operation for current batch after time delay for a preset duration if the discharge operation for the previous batch is carried out at present, or directly executing the discharge operation for the current batch if the discharge operation for the previous batch is not carried out at present.The method has the advantages that the technical problem of accident potential of mistakenly selected bins, numerical value setting errors and mistakenly prepared materials due to existing refining procedures can be solved by the aid of the method, the accident rate can be lowered, the operation precision can be improved, the production efficiency further can be greatly improved, and the feeding time can be shortened.
Description
Technical field
The present invention relates to technical field of ferrous metallurgy, particularly relate to ingredient control method in a kind of refining process.
Background technology
For current most of iron and steel enterprises, mostly the control of refining process composition is have manual operation to carry out, it is necessary to being manually calculated, manual weighing, feed intake etc., in whole adjustment alloy process, manual operation proportion is very big.For refining procedure composition accurately to control be one of most important task in refining procedure, find that in daily tracking the operation of composition adjustment occupies the 50% of refining operation personnel's all operations, be equivalent to composition adjustment operation in whole heat smelting process and occupy muscle power and the energy of operator 50%.Current RH operation is as the important refining equipment of iron and steel enterprise, and operation level can as the scale weighing steel mill's development degree.RH operation all has smelting ratio big, smelt the feature that steel grade difficulty is big, again owing to the operation of alloying has been responsible for by master control work, process adjust alloy during molten steel while also will with in many ways contact, therefore existing refining process easily causes the accident potential of the wrong feed bin of choosing, setting value mistake, standby wrong material, has a strong impact on production stable.
Summary of the invention
The embodiment of the present invention, by providing ingredient control method in a kind of refining process, solves the technical problem that existing refining process causes the accident potential of the wrong feed bin of choosing, setting value mistake, standby wrong material.
Embodiments providing ingredient control method in a kind of refining process, be applied to include in the control equipment of first class control system and second control system, in described refining process, ingredient control method includes:
Described second control system calculates the material information needed for described refining process according to component target value and return sample constituents, and wherein, described material information includes material variety and the inventory got the raw materials ready；
The instruction that described material information and received shipment fed intake of described second control system is issued to described first class control system；
Described first class control system performs described received shipment and feeds intake instruction, to carry out following action:
Described material variety is mated with storehouse of selecting materials；
If described material variety is with described storehouse coupling of having selected materials for consistent, then startup electricity shakes and carries out weighing described inventory；
After weighing, start haul, after haul completes, judge whether to last batch blanking operation, if then performing this batch of blanking operation after time delay the first preset duration, otherwise directly performing described batch of blanking and operating.
Preferably, described first class control system perform described received shipment feed intake instruction process in, each action is carried out timing, carries out being connected between action based on the time demand of each action.
Preferably, when described batch of blanking operation includes repeatedly discontinuous feeding intake, this batch of blanking operation of described execution, particularly as follows:
Control to open heat insulation turnover panel successively, horizontal tank electricity shakes and after lower vacuum lock, and the first time carrying out described batch of blanking operation feeds intake；
After the second preset duration that described first time has fed intake, automatically start second time and feed intake；
Controlling after the 3rd preset duration opened after described lower vacuum lock to close described lower vacuum lock, the moment closing described lower vacuum lock starts to shake and described heat insulation turnover panel according to the prefixed time interval described horizontal tank electricity of closedown successively.
Preferably, what described first time fed intake opens the unlatching duration that duration feeds intake less than described second time.
Preferably, described described material variety mated with storehouse of selecting materials after, in described refining process, ingredient control method also includes:
If described material variety mates with described storehouse of having selected materials for inconsistent, then interrupt performing described received shipment and feed intake instruction；
Output information carries out prompting matching result.
Preferably, if described material variety is consistent with described storehouse coupling of having selected materials, then startup electricity shakes and carries out weighing described inventory, including:
If described material variety for consistent, then reads described inventory with described storehouse coupling of having selected materials from described material information；
Carry out automatically setting weighing value according to described inventory consistent with described inventory；
Start described electricity to shake and weigh according to described weighing value.
Preferably, described startup haul after weighing, the following steps including performing successively:
Control the upper vacuum lock stopping controlling to open alloy feed bin while described electricity shakes；
Control to start high angle belt conveyer, reversible belt and scale hooper electricity successively to shake, carry out transporting the material in described alloy feed bin；
After material in described alloy feed bin has transported, close described scale hooper electricity and shake；
Shake the moment closed at described scale hooper electricity, control described reversible belt, described high angle belt conveyer and described vacuum lock according to prefixed time interval and close successively.
Preferably, described described material variety mated with storehouse of selecting materials before, described second control system has been chosen the feed bin of required material.
Preferably, after described material variety is consistent with described storehouse coupling of having selected materials, described method also includes:
Coupling is indicated obvious mark for storehouse of having selected materials described in consistent.
Preferably, described first class control system perform described received shipment feed intake instruction process in, the action message of each action is transferred in the data base of described second control system.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage:
Second control system is issued to first class control system according to component target value with the material information returned needed for sample constituents calculates refining process；Performed received shipment by first class control system to feed intake instruction, to carry out following action: mated with storehouse of selecting materials by material variety；If material variety is with storehouse coupling of selecting materials for consistent, then startup electricity shakes and carries out weighing inventory；After weighing, starting haul, after haul completes, judge whether to last batch blanking operation, if then performing this batch of blanking operation after time delay the first preset duration, otherwise directly performing this batch of blanking operation.Achieve the process of automatic feed preparation, automatic transporting, automatic charging, avoid the human intervention of operator, thus solving the technical problem that existing refining process causes the accident potential of the wrong feed bin of choosing, setting value mistake, standby wrong material, reduce accident rate, improve performance accuracy, also substantially increase production efficiency, shorten charging time.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the general flow chart of ingredient control method in embodiment of the present invention refining process；
Fig. 2 is that the embodiment of the present invention performs received shipment and feeds intake the flow chart of instruction.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Ingredient control method in the refining process that the embodiment of the present invention provides, is applied to include in the control equipment of first class control system and second control system.
With reference to shown in Fig. 1 and Fig. 2, in the refining process that the embodiment of the present invention provides, ingredient control method comprises the steps:
S101, second control system calculate the material information needed for refining process according to component target value and return sample constituents.
Concrete, the material information calculated includes material variety and the inventory got the raw materials ready, is built-in with the computational methods of different-alloy, corresponding alloy species and adjustment mode at second control system.Such as, IF steel grade needs to use micro-carbon ferromanganese adjustment, in second control system, then it is built-in with micro-carbon ferromanganese adjusts the information such as opportunity, alloy content, recovery rate, obtain returning the material variety got the raw materials ready after sample composition and inventory, just add this after formerly controlling to add deoxidizer 3min and get the raw materials ready and be adjusted Fe content and operate.Second control system, when obtaining returning sample constituents every time, all selects the alloy species of correspondence, adjustment mode, computational methods to be calculated out the inventory of material variety required in refining process and every kind of material through second control system.
The instruction that material information and received shipment fed intake of S102, second control system is issued to first class control system.
S103, first class control system perform received shipment and feed intake instruction, to carry out following action S1031 to S1032:
S1031, material variety is mated with storehouse of selecting materials, if material variety is consistent with storehouse coupling of selecting materials, then startup electricity shakes and carries out weighing inventory, if material variety mates for inconsistent with storehouse of selecting materials, then interrupt performing received shipment to feed intake instruction, and export information and carry out prompting matching result.Concrete, information is specially pop-up dialogue box, the matching result that prompting coupling is inconsistent.
Concrete, coupling is indicated obvious mark for consistent storehouse of selecting materials, such as, highlights in feed bin picture other display substantially mark, indicate this feed bin and be in use state.Before material variety is mated with storehouse of selecting materials, second control system is chosen the feed bin (cabin of namely having selected materials) of required material, cabin of selecting materials has been indicated another and substantially identifies, such as, carry out flashing prompting.
In specific implementation process, startup electricity shakes and carries out weighing inventory, if particularly as follows: material variety is consistent with storehouse coupling of selecting materials, then reading inventory from material information；Carry out automatically setting weighing value according to inventory consistent with inventory；Weighing value starts the electric weighing value shaken and carry out the weight weighing required material as setting after setting.
S1032, after weighing, start haul, after haul completing, judging whether to last batch blanking operation, if then performing this batch of blanking operation after time delay the first preset duration, otherwise directly performing this batch of blanking operation.
Start haul to specifically include: control the upper vacuum lock stopping controlling to open alloy feed bin while electricity shakes；Then controlling to start high angle belt conveyer, reversible belt and scale hooper electricity successively to shake, material carries out transporting the material in alloy feed bin via belt；Material in alloy feed bin is closed scale hooper electricity after having transported and is shaken；Shake the moment closed at scale hooper electricity, control reversible belt, high angle belt conveyer and vacuum lock according to prefixed time interval and close successively.
Concrete, control to start high angle belt conveyer, reversible belt and scale hooper electricity successively and shake, be: first control high angle belt conveyer startup optimization, then control reversible belt startup optimization, finally start scale hooper electricity and shake.
Concrete, prefixed time interval in haul process sets according to Belt Length and the belt speed of service, such as, after treating that in scale hooper, alloy transports, it is first shut off scale hooper electricity to shake, after closing the prefixed time interval that scale hooper electricity shakes, closes reversible belt, after another prefixed time interval closing reversible belt, close high angle belt conveyer, closing after the another prefixed time interval closing high angle belt conveyer and close vacuum lock, program is sequentially completed above operation.According to practical situation, adjacent prefixed time interval is identical or differs, thus all having safety delay between each two equipment close moment, it is ensured that alloy is transported in vacuum alloy feed bin.
Concrete, when this batch of blanking operation includes repeatedly discontinuous feeding intake, perform this batch of blanking operation, particularly as follows: heat insulation turnover panel is opened in control successively, horizontal tank electricity shakes and after lower vacuum lock, the first time carrying out this batch of blanking operation feeds intake；After the second preset duration that first time has fed intake, automatically start second time and feed intake；Controlling vacuum lock under closedown after the 3rd preset duration opened after lower vacuum lock, the moment closing lower vacuum lock starts to shake and heat insulation turnover panel according to the prefixed time interval horizontal tank electricity of closedown successively.According to practical situation, adjacent preset duration is identical or differs, owing to each two equipment all has safety delay between running, it is ensured that alloy enters vacuum alloy feed bin.
In one embodiment, alloy automatically turns on vaccum-pumping equipment, by vacuum degree control in blanking claimed range after entering vacuum feed bin, after vacuum zone being controlled in blanking claimed range, then control to open heat insulation turnover panel successively, horizontal tank electricity shakes and lower vacuum lock is to carry out this batch of blanking operation.
What first time fed intake opens the unlatching duration that duration feeds intake less than second time, and the action that once feeds intake repeats, after completing, the action that once feeds intake, and is stuck in vacuum alloy feed bin thus avoiding partial material.
Concrete, aforementioned prefixed time interval can be different numerical value when for the closedown of distinct device, determine with specific reference to Belt Length and the belt speed of service are actual, also has aforesaid first preset duration, second preset duration, the numerical value of the 3rd preset duration determines by Belt Length and the belt speed of service are actual.
Concrete, first class control system perform received shipment feed intake instruction process in, each action is carried out timing, the time demand based on each action carries out being connected between action.
First class control system perform received shipment feed intake instruction process in, the action message of each action is transferred in the data base of second control system.The action message of transmission may be used for second control system and embodies in event information so that represents the data in process, is conducive to the later stage that action is adjusted.
Undertaken choosing premised on storehouse of being selected materials by the feed bin number of required material before smelting, a detailed description of the invention be given below ingredient control method in refining process provided by the invention is illustrated:
Step 1, when sample constituents return after, second control system is calculated out the material information needed for refining process according to return sample constituents and standard target value, the material information needed for instruction and calculated refining process that fed intake by received shipment is issued to first class control system, first class control system perform；
After instruction that step 2, first class control system receive material information that second control system issues and received shipment feeds intake, the material variety received is mated with storehouse of selecting materials, if coupling is for consistent, startup electricity shakes and carries out weighing inventory, if coupling is for inconsistent, interrupting performing received shipment and feed intake instruction, pop-up dialogue box carries out prompting matching result simultaneously.
Step 3, after weighing, electricity shakes stopping, now the upper vacuum lock of alloy feed bin is opened, control high angle belt conveyer startup optimization subsequently, then reversible belt startup optimization is controlled, finally controlling scale hooper electricity to shake startup, weighed material is transported to vacuum alloy feed bin via high angle belt conveyer, reversible belt.After treating that in scale hooper, alloy transports, it is first shut off scale hooper electricity to shake, reversible belt is closed after closing the 15s that scale hooper electricity shakes in interval, high angle belt conveyer is closed after the 10s of interval closedown reversible belt, close after the 15s of interval closedown high angle belt conveyer and close vacuum lock, programme-control is sequentially completed above operation, thus haul program completes after vacuum lock is closed in pass.
It is first determined whether carry out last batch blanking operation after step 4, haul complete, operating if carrying out last batch blanking, performing this batch of blanking operation after 20s, otherwise haul performs this batch of blanking operation immediately after completing.
When performing this dosing operation, it is first turned on heat insulation turnover panel, then turn on horizontal tank electricity to shake, open lower vacuum lock again, the first time carrying out this batch of blanking operation feeds intake: material enters in vacuum tank via the elephant trunk that feeds intake, first time feeds intake after running 20s and closes lower vacuum lock, closes horizontal tank electricity and shakes, close heat insulation turnover panel after closing the 10s that horizontal tank electricity shakes after closing the 5s of lower vacuum lock.First time has fed intake and has automatically started second time after 5s and feed intake: be first turned on heat insulation turnover panel, then turn on horizontal tank electricity to shake, open lower vacuum lock again, the second time carrying out this batch of blanking operation feeds intake: material enters in vacuum tank via the elephant trunk that feeds intake, second time feeds intake after running 30s and closes lower vacuum lock, close horizontal tank electricity after closing the 5s of lower vacuum lock to shake, after closing the 10s that horizontal tank electricity shakes, close heat insulation turnover panel.
First class control system perform received shipment feed intake instruction process in, the action message of each action is transferred in the data base of described second control system.
Certainly, in present embodiment, for each prefixed time interval and first, second, third preset duration all for specific Belt Length and the belt speed of service.Such as, being 50m for current used reversible belt, the belt speed of service is 2m/s, then controlling interval is 15s, but is only for illustrating, is not construed as limiting effect.
By one or more technical approach that the invention described above embodiment provides, at least achieve following technique effect or advantage:
Second control system is issued to first class control system according to component target value with the material information returned needed for sample constituents calculates refining process；Performed received shipment by first class control system to feed intake instruction, to carry out following action: mated with storehouse of selecting materials by material variety；If material variety is with storehouse coupling of selecting materials for consistent, then startup electricity shakes and carries out weighing inventory；After weighing, starting haul, after haul completes, judge whether to last batch blanking operation, if then performing this batch of blanking operation after time delay the first preset duration, otherwise directly performing this batch of blanking operation.Achieve the process of automatic feed preparation, automatic transporting, automatic charging, avoid the human intervention of operator, thus solving the technical problem that existing refining process causes the accident potential of the wrong feed bin of choosing, setting value mistake, standby wrong material, reduce accident rate, improve performance accuracy, also substantially increase production efficiency, shorten charging time.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an ingredient control method in refining process, is applied to include in the control equipment of first class control system and second control system, it is characterised in that in described refining process, ingredient control method includes:
Described second control system calculates the material information needed for described refining process according to component target value and return sample constituents, and wherein, described material information includes material variety and the inventory got the raw materials ready；
The instruction that described material information and received shipment fed intake of described second control system is issued to described first class control system；
Described first class control system performs described received shipment and feeds intake instruction, to carry out following action:
Described material variety is mated with storehouse of selecting materials；
If described material variety is with described storehouse coupling of having selected materials for consistent, then startup electricity shakes and carries out weighing described inventory；
After weighing, start haul, after haul completes, judge whether to last batch blanking operation, if then performing this batch of blanking operation after time delay the first preset duration, otherwise directly performing described batch of blanking and operating.
2. ingredient control method in refining process as claimed in claim 1, it is characterised in that described first class control system perform described received shipment feed intake instruction process in, each action is carried out timing, the time demand based on each action carries out being connected between action.
3. ingredient control method in refining process as claimed in claim 2, it is characterised in that when described batch of blanking operation includes repeatedly discontinuous feeding intake, this batch of blanking operation of described execution, particularly as follows:
Control to open heat insulation turnover panel successively, horizontal tank electricity shakes and after lower vacuum lock, and the first time carrying out described batch of blanking operation feeds intake；
After the second preset duration that described first time has fed intake, automatically start second time and feed intake；
Controlling after the 3rd preset duration opened after described lower vacuum lock to close described lower vacuum lock, the moment closing described lower vacuum lock starts to shake and described heat insulation turnover panel according to the prefixed time interval described horizontal tank electricity of closedown successively.
4. ingredient control method in refining process as claimed in claim 3, it is characterised in that what described first time fed intake opens the unlatching duration that duration feeds intake less than described second time.
5. the ingredient control method in refining process as claimed in claim 1, it is characterised in that described described material variety mated with storehouse of selecting materials after, in described refining process, ingredient control method also includes:
If described material variety mates with described storehouse of having selected materials for inconsistent, then interrupt performing described received shipment and feed intake instruction；
Output information carries out prompting matching result.
6. ingredient control method in refining process as claimed in claim 1, it is characterised in that if described material variety is consistent with described storehouse coupling of having selected materials, then startup electricity shakes and carries out weighing described inventory, including:
If described material variety for consistent, then reads described inventory with described storehouse coupling of having selected materials from described material information；
Carry out automatically setting weighing value according to described inventory consistent with described inventory；
Start described electricity to shake and weigh according to described weighing value.
7. ingredient control method in refining process as claimed in claim 1, it is characterised in that described startup haul after weighing, the following steps including performing successively:
Control the upper vacuum lock stopping controlling to open alloy feed bin while described electricity shakes；
Control to start high angle belt conveyer, reversible belt and scale hooper electricity successively to shake, carry out transporting the material in described alloy feed bin；
After material in described alloy feed bin has transported, close described scale hooper electricity and shake；
Shake the moment closed at described scale hooper electricity, control described reversible belt, described high angle belt conveyer and described vacuum lock according to prefixed time interval and close successively.
8. ingredient control method in refining process as claimed in claim 1, it is characterised in that described described material variety mated with storehouse of selecting materials before, described second control system has been chosen the feed bin of required material.
9. the ingredient control method in refining process as claimed in claim 1, it is characterised in that after described material variety is consistent with described storehouse coupling of having selected materials, described method also includes:
Coupling is indicated obvious mark for storehouse of having selected materials described in consistent.
10. ingredient control method in refining process as claimed in claim 1, it is characterised in that described first class control system perform described received shipment feed intake instruction process in, the action message of each action is transferred in the data base of described second control system.
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| CN201610133548.2A CN105755207A (en) | 2016-03-09 | 2016-03-09 | Method for controlling compositions in refining procedures |
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| CN201610133548.2A CN105755207A (en) | 2016-03-09 | 2016-03-09 | Method for controlling compositions in refining procedures |
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| CN106086307A (en) * | 2016-08-20 | 2016-11-09 | 北京首钢自动化信息技术有限公司 | A kind of control method of cutting stock precision |
| CN108549286A (en) * | 2018-05-10 | 2018-09-18 | 北京首钢自动化信息技术有限公司 | A kind of material alloying control method |
| CN108803527A (en) * | 2018-07-06 | 2018-11-13 | 攀钢集团西昌钢钒有限公司 | A kind of LF stoves handling of goods and materials control method, system and computer equipment |
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Application publication date: 20160713 |