CN110982972A - Iron making ingredient and blast furnace process parameter integrated optimization method - Google Patents
Iron making ingredient and blast furnace process parameter integrated optimization method Download PDFInfo
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- CN110982972A CN110982972A CN201911293811.4A CN201911293811A CN110982972A CN 110982972 A CN110982972 A CN 110982972A CN 201911293811 A CN201911293811 A CN 201911293811A CN 110982972 A CN110982972 A CN 110982972A
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- iron
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- 238000000034 method Methods 0.000 title claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000004615 ingredient Substances 0.000 title claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 19
- 238000005457 optimization Methods 0.000 title claims abstract description 15
- 230000008901 benefit Effects 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract 2
- 239000010959 steel Substances 0.000 claims abstract 2
- 239000003034 coal gas Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000009851 ferrous metallurgy Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009865 steel metallurgy Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06313—Resource planning in a project environment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Educational Administration (AREA)
- Biodiversity & Conservation Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses an integrated optimization method of iron making ingredients and blast furnace process parameters, and belongs to the field of iron and steel metallurgical pre-iron system ingredients. Solving the problems that the original ingredients do not consider the technological parameters of the blast furnace: the molten iron contains Si and CO2The influence of the content, the air temperature, the blast humidity, the oxygen enrichment rate, the damping down rate, the top pressure and the furnace top temperature change on the ironmaking fuel ratio, the yield and the benefit. The invention considers the blast furnace process parameters: the molten iron contains Si and CO2The influence content of the content, the air temperature, the blast humidity, the oxygen enrichment rate, the damping down rate, the top pressure and the furnace top temperature change on the fuel ratio and the yield is corrected according to the process experience and added into the iron-making low-cost optimized ingredient,the ingredients are optimized integrally, and the iron-making benefit is maximized.
Description
Technical Field
The invention belongs to the field of batching of a system before iron and steel metallurgy.
Background
The iron-making system of the ferrous metallurgy comprises sintering and iron making, when optimizing ingredients of the ferrous metallurgy, the ingredients are optimized by considering constraint conditions, raw material proportioning range and low cost of raw material inventory, and the iron-making fuel ratio and the yield are basically given, but only the iron-making cost after ingredients are considered, and the influence of the iron-making fuel ratio, the yield and the benefit caused by the change of blast furnace process parameters is not considered.
The invention discloses CN104593532A 'a method for optimizing furnace burden of an iron-making system', relates to a method for optimizing furnace burden, in particular to a method for optimizing the comprehensive proportion of sinter and blast furnace burden. The method comprises six-in-one iron-making system furnace burden optimization methods of sintered ore metallurgical performance detection and analysis, sintering process burden optimization, sintered ore component prediction and analysis, blast furnace burden structure optimization, blast furnace burden calculation and iron-making system furnace burden structure multi-objective optimization, determines the optimal proportion and the optimal component of various furnace burden additions of sintering burden and blast furnace burden, and solves the problems that the existing iron-making furnace burden optimization method is only limited to a certain procedure of ore proportioning, sintering and iron making, the cost is high, and the quality is unstable. The invention has the advantages of overall iron-making process, scientific analysis and calculation from the whole system height, maximum cost reduction, and finding out the furnace burden optimization scheme of the iron-making system with low pig iron production cost, excellent products and high yield. The maximum benefit is obtained without the integrated optimization of the burdening and the blast furnace process parameters.
Disclosure of Invention
The invention relates to an integrated optimization method of iron making ingredients and blast furnace process parameters, which solves the problems that the blast furnace process parameters are not considered in the original ingredients: wind temperature, blast humidity, oxygen enrichment rate, damping down rate, top pressure, furnace top temperature and coal gas CO2The influence of the change on the ironmaking fuel ratio, the yield and the benefit. The invention considers the blast furnace process parameters: the molten iron contains Si and CO2The influence content of the content, the air temperature, the blast humidity, the oxygen enrichment rate, the damping down rate, the top pressure and the furnace top temperature change on the fuel ratio and the yield is corrected according to the process experience, the ironmaking fuel ratio and the yield are added into the ironmaking low-cost optimized ingredient, the ingredient is optimized integrally, and the maximum ironmaking benefit is sought.
Detailed Description
The purpose of the invention is realized by the following specific embodiments:
(1) original iron-smelting constraint condition
(2) Blast furnace process parameters influence ironmaking fuel ratio and yield process experience
Considering blast furnace process parameters include: the molten iron contains Si and CO2Content, wind temperature, blast humidity, oxygen enrichment rate, damping down rate, top pressure and furnace top temperature.
(3) The integrated optimization of ingredients and the seeking of maximization of iron-making benefit
And (4) correcting the ironmaking fuel ratio and the ironmaking output according to the process experience, adding the ironmaking fuel ratio and the ironmaking output into an ironmaking low-cost optimized ingredient, integrally optimizing the ingredient, and seeking the maximization of ironmaking benefit.
Detailed description of the preferred embodiments
Example 1
(1) Original iron-smelting constraint condition
The data and constraint conditions of the sintering burden chemical components are shown in Table 1, and the pellet burden chemical components are shown in Table 2
TABLE 1 sintering batch chemical composition data and constraints
TABLE 2 pellet batch chemistry
The data and the constraint conditions of the chemical components of the ironmaking ingredients are shown in the table 3.
TABLE 3 data and constraint conditions for chemical compositions of iron making ingredients
(2) Blast furnace process parameterization influencing ironmaking fuel ratio and yield process experience
Blast furnace process parameter variations affect ironmaking fuel ratio and production process experience as shown in table 4.
TABLE 4 influence ironmaking fuel ratio and production factor
(3) The integrated optimization of ingredients and the seeking of maximization of iron-making benefit
The ironmaking fuel ratio and yield are modified according to the process experience, added into the ironmaking low-cost optimized ingredient, integrated optimized ingredient, seeking to maximize ironmaking benefit, and compared with the original ingredient and the general optimized ingredient, such as the ingredient results shown in tables 5, 6, 7, 8 and 9. The integrated optimization benefit of the batching process is remarkable.
TABLE 5 ingredient comparison
TABLE 6 comparison of sintering batch chemistries
TABLE 7 pellet batch chemistry comparison
TABLE 8 blast furnace slag batch chemical composition comparison
TABLE 9 ingredient benefit comparison
Wherein: the price of pig iron is 2800 yuan/t
The iron-making benefit is the iron-making yield x (pig iron price-iron-making cost).
Claims (2)
1. The invention relates to an integrated optimization method of iron making ingredients and blast furnace process parameters in the field of iron and steel metallurgical pre-iron systems, which is characterized by comprising the following steps of: considering the blast furnace process parameters: the influence contents of the Si content in the molten iron, the CO2 content of coal gas, the air temperature, the blast humidity, the oxygen enrichment rate, the damping down rate, the top pressure and the furnace top temperature change on the fuel ratio and the yield are corrected according to the process experience and added into the iron-making low-cost optimized ingredient.
2. The method of claim 1 for optimizing iron making burden and blast furnace process parameters in an integrated manner, further comprising: the ingredients are optimized integrally, and the iron-making benefit is maximized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293811.4A CN110982972A (en) | 2019-12-16 | 2019-12-16 | Iron making ingredient and blast furnace process parameter integrated optimization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293811.4A CN110982972A (en) | 2019-12-16 | 2019-12-16 | Iron making ingredient and blast furnace process parameter integrated optimization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110982972A true CN110982972A (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911293811.4A Pending CN110982972A (en) | 2019-12-16 | 2019-12-16 | Iron making ingredient and blast furnace process parameter integrated optimization method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110982972A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113536517A (en) * | 2020-04-21 | 2021-10-22 | 百色学院 | Optimized batching method considering alkalinity change influence |
| CN115185250A (en) * | 2022-09-09 | 2022-10-14 | 北京智冶互联科技有限公司 | Method for controlling fuel ratio in production process of ferrous metallurgy blast furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722652A (en) * | 2012-06-01 | 2012-10-10 | 攀钢集团攀枝花钢钒有限公司 | Blast furnace smelting cost calculating and optimizing method |
| CN103092087A (en) * | 2011-11-02 | 2013-05-08 | 上海宝信软件股份有限公司 | Blast furnace batching optimization method based on linear programming |
| CN103276125A (en) * | 2013-06-20 | 2013-09-04 | 经文波 | Iron-making furnace charge total cost comprehensive optimization |
| CN104975118A (en) * | 2015-05-25 | 2015-10-14 | 王鹏 | Method for optimizing ratio of raw materials before iron making |
| CN109918702A (en) * | 2019-01-03 | 2019-06-21 | 上海交通大学 | A kind of blast-furnace burden cooperates with Multipurpose Optimal Method with operation |
-
2019
- 2019-12-16 CN CN201911293811.4A patent/CN110982972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092087A (en) * | 2011-11-02 | 2013-05-08 | 上海宝信软件股份有限公司 | Blast furnace batching optimization method based on linear programming |
| CN102722652A (en) * | 2012-06-01 | 2012-10-10 | 攀钢集团攀枝花钢钒有限公司 | Blast furnace smelting cost calculating and optimizing method |
| CN103276125A (en) * | 2013-06-20 | 2013-09-04 | 经文波 | Iron-making furnace charge total cost comprehensive optimization |
| CN104975118A (en) * | 2015-05-25 | 2015-10-14 | 王鹏 | Method for optimizing ratio of raw materials before iron making |
| CN109918702A (en) * | 2019-01-03 | 2019-06-21 | 上海交通大学 | A kind of blast-furnace burden cooperates with Multipurpose Optimal Method with operation |
Non-Patent Citations (1)
| Title |
|---|
| 经文波: "炼铁炉料成本优化", 《江西冶金》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113536517A (en) * | 2020-04-21 | 2021-10-22 | 百色学院 | Optimized batching method considering alkalinity change influence |
| CN115185250A (en) * | 2022-09-09 | 2022-10-14 | 北京智冶互联科技有限公司 | Method for controlling fuel ratio in production process of ferrous metallurgy blast furnace |
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Application publication date: 20200410 |