CN112599206A - Method and system for evaluating cost performance of iron-containing raw material - Google Patents
Method and system for evaluating cost performance of iron-containing raw material Download PDFInfo
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- CN112599206A CN112599206A CN202011592152.7A CN202011592152A CN112599206A CN 112599206 A CN112599206 A CN 112599206A CN 202011592152 A CN202011592152 A CN 202011592152A CN 112599206 A CN112599206 A CN 112599206A
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Abstract
The invention discloses a method and a system for evaluating the cost performance of an iron-containing raw material, which belong to the technical field of quality analysis of the iron-containing raw material, and are characterized by comprising the following steps of: step one, acquiring components and prices of different iron-containing raw materials; step two, calculating the comprehensive grade and the non-tax price of dry basis to a factory according to the components of the iron-containing raw material of each iron-containing raw material, thereby calculating the tonnage price of each iron-containing raw material; and step three, comparing the tonnage prices of different iron-containing raw materials, and selecting the minimum value as a purchasing target. By adopting the technical scheme, the invention provides a purchasing basis for purchasing departments and a production guide for production departments by evaluating the cost performance of the iron-containing raw materials, so that the iron-containing raw materials with high cost ratio and high usability are purchased as much as possible, the ore blending structure is optimized, and the purposes of reducing cost and improving efficiency are achieved.
Description
Technical Field
The invention belongs to the technical field of quality analysis of iron-containing raw materials, and particularly relates to a method and a system for evaluating the cost performance of an iron-containing raw material.
Background
At present, the iron-containing raw materials of sintering usefulness are of a great variety, every kind of iron-containing raw materials price and composition diverse, the purchasing department is in order to reduce purchasing cost, often favor the iron-containing raw materials of purchasing the low price, but the iron-containing raw materials of low price often gangue content or harmful element content are higher, be unfavorable for forming stable liquid phase volume after sintering process uses, thereby influence the quality of sinter, or the harmful element content of sinter is higher, lead to blast furnace coke ratio rising or molten iron quality to descend after the iron-making process uses, be unfavorable for reducing the molten iron cost, influence enterprise's profit.
Disclosure of Invention
Technical problem
The iron-containing raw material with high cost performance is selected on the premise of meeting the normal production and product quality of an enterprise, the iron-containing raw material with high cost performance is evaluated by the iron-containing raw material cost performance, a purchasing basis is provided for a purchasing department, a production guide is provided for a production department, the iron-containing raw material with high cost performance is purchased as far as possible, the ore blending structure is optimized, and the purposes of cost reduction and efficiency improvement are achieved.
Technical scheme
The first purpose of the invention is to provide a method for evaluating the cost performance of iron-containing raw materials, which comprises the following steps:
step one, acquiring components and prices of different iron-containing raw materials;
step two, calculating the comprehensive grade and the non-tax price of dry basis to a factory according to the components of the iron-containing raw material of each iron-containing raw material, thereby calculating the tonnage price of each iron-containing raw material; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and step three, comparing the tonnage prices of different iron-containing raw materials, and selecting the minimum value as a purchasing target.
Preferably, in step one, the obtained ingredients and prices are made into EXCEL tables.
The second invention of this patent is to provide a system for evaluating the cost performance of iron-containing raw materials, comprising:
the data acquisition module is used for acquiring the components and prices of different iron-containing raw materials;
the data analysis module is used for calculating the comprehensive grade and the non-tax price of dry basis to a factory through the components of the iron-containing raw material of each iron-containing raw material, so that the tonnage price of each iron-containing raw material is calculated; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and the data feedback module compares the tonnage prices of different iron-containing raw materials and selects the minimum value as a purchasing target.
Preferably, in the data acquisition module, the acquired ingredients and prices are made into EXCEL tables.
A third object of the present invention is to provide a computer program for implementing the above evaluation method of the cost performance of iron-containing raw material.
The fourth invention of the patent aims to provide an information data processing terminal for realizing the evaluation method of the cost performance of the iron-containing raw material.
A fifth object of the present patent is to provide a computer-readable storage medium, comprising instructions which, when run on a computer, cause the computer to execute the above-described method for evaluating cost performance of iron-containing raw material.
The invention has the advantages and positive effects that:
by adopting the technical scheme, the invention has the following technical effects:
the cost performance standard for iron-containing raw materials mostly only starts from the iron-containing grade, but for Al2O3MgO and SiO2The influence of the content on a blast furnace slagging system is not judged, the accuracy of the evaluation of the cost performance of the iron-containing raw material is seriously influenced, a more visual cost performance evaluation system is not provided at present, and the result obtained by the comprehensive analysis method of the cost performance of the iron-containing raw material cannot directly show the cost performance, but has a lot of redundant information to influence the analysis of the cost performance of the iron-containing raw material.
The invention is to Al2O3And SiO2The content and the harmful elements are subjected to assignment scoring, weight analysis is carried out according to the influence degree of the cost performance of the iron-containing raw materials, the standard score of each iron-containing raw material is calculated, the cost performance of each iron-containing raw material is directly obtained by comparing the standard score with the total energy consumption, the iron-containing raw material with the highest cost performance can be directly judged conveniently, and the efficiency of comprehensive cost performance analysis is improved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of the present invention;
fig. 2 is a block diagram of a preferred embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to fig. 1, the embodiment is:
a method for evaluating the cost performance of iron-containing raw materials comprises the following steps:
step one, acquiring components and prices of different iron-containing raw materials;
step two, calculating the comprehensive grade and the non-tax price of dry basis to a factory according to the components of the iron-containing raw material of each iron-containing raw material, thereby calculating the tonnage price of each iron-containing raw material; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and step three, comparing the tonnage prices of different iron-containing raw materials, and selecting the minimum value as a purchasing target.
On the basis of the above preferred embodiment, in step one, the obtained ingredients and prices are made into EXCEL tables.
In the preferred embodiment: as shown in the following table 1, a table is established according to the components and prices of the iron-containing raw materials, the comprehensive grade and the dry basis price which is not tax-containing in a factory are calculated according to a certain formula by checking the components and the compositions of the iron-containing raw materials, particularly the harmful elements of the iron-containing raw materials, so that the ton price of each iron-containing raw material is calculated, the cost performance is compared, and the iron-containing raw materials with higher purchasing property price are guided to reduce the raw material cost. By starting from the components and the price of the iron-containing raw material, qualitative analysis and quantitative calculation are carried out, the iron-containing raw material is more accurately evaluated, and the purchasing work of the ore can be guided. The evaluation method is simple and easy to implement, the evaluation result is closer to the actual production, the method is particularly suitable for the characteristic that the evaluation requirement is rapid and accurate before the ore powder is purchased, the characteristics of various iron-containing raw materials are fully exerted, and the iron-containing raw materials are selected with high cost performance, so that the purpose of reducing the cost of the sinter is realized.
TABLE 1 iron-containing raw material composition and price table
The preferred embodiment evaluates the cost performance of the iron-containing raw materials, provides a purchasing basis for purchasing departments, provides a production guide for production departments, purchases the iron-containing raw materials with high cost performance and high usability cost performance as much as possible, optimizes the ore blending structure and achieves the purposes of cost reduction and efficiency improvement.
By adopting the method for evaluating the cost performance of the iron-containing raw materials, not only the iron ore powder entering a factory can be evaluated, but also the sinter and the pellet can be evaluated.
Referring to fig. 2, a system for evaluating the cost performance of a raw material containing iron includes:
the data acquisition module is used for acquiring the components and prices of different iron-containing raw materials;
the data analysis module is used for calculating the comprehensive grade and the non-tax price of dry basis to a factory through the components of the iron-containing raw material of each iron-containing raw material, so that the tonnage price of each iron-containing raw material is calculated; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and the data feedback module compares the tonnage prices of different iron-containing raw materials and selects the minimum value as a purchasing target.
On the basis of the above preferred embodiment, the acquired components and prices are made into EXCEL tables in the data acquisition module.
A computer program for realizing the evaluation method of the cost performance of the iron-containing raw material.
An information data processing terminal for realizing the evaluation method of the cost performance of the iron-containing raw material.
A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the above-described method for evaluating cost performance of an iron-containing material.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. The method for evaluating the cost performance of the iron-containing raw material is characterized by comprising the following steps of:
step one, acquiring components and prices of different iron-containing raw materials;
step two, calculating the comprehensive grade and the non-tax price of dry basis to a factory according to the components of the iron-containing raw material of each iron-containing raw material, thereby calculating the tonnage price of each iron-containing raw material; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and step three, comparing the tonnage prices of different iron-containing raw materials, and selecting the minimum value as a purchasing target.
2. The method for evaluating cost performance of iron-containing raw material according to claim 1, wherein in the first step, the obtained composition and price are prepared into EXCEL form.
3. A system for evaluating the cost performance of iron-containing raw materials is characterized in that: the method comprises the following steps:
the data acquisition module is used for acquiring the components and prices of different iron-containing raw materials;
the data analysis module is used for calculating the comprehensive grade and the non-tax price of dry basis to a factory through the components of the iron-containing raw material of each iron-containing raw material, so that the tonnage price of each iron-containing raw material is calculated; wherein:
integrated grade of TFe/[100+1.5R4(SiO2+Al2O3)-2(CaO+MgO)+1.5(S+P+5K2O+Na2O+PbO+ZnO+CuO+As2O3+5Cl)]*100％；
Dry basis to factory tax free ═ (wet basis price/1.13 + freight/1.09)/(1-moisture);
the tonnage price is no tax price/comprehensive grade from actual dry base to factory;
and the data feedback module compares the tonnage prices of different iron-containing raw materials and selects the minimum value as a purchasing target.
4. The iron-containing material cost/performance ratio evaluation system according to claim 3, wherein the obtained components and prices are prepared into EXCEL tables in the data acquisition module.
5. A computer program for implementing the method for evaluating cost performance of an iron-containing raw material according to claim 1 or 2.
6. An information data processing terminal for implementing the method for evaluating cost performance of iron-containing raw material according to claim 1 or 2.
7. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method for evaluating cost performance of an iron-containing raw material according to claim 1 or 2.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113817884A (en) * | 2021-09-17 | 2021-12-21 | 广东韶钢松山股份有限公司 | Method for controlling harmful elements before iron |
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| DE10060264C1 (en) * | 2000-12-05 | 2002-06-13 | Peter Stoos | Evaluation system for materials to be transported |
| CN103667686A (en) * | 2013-12-31 | 2014-03-26 | 四川德胜集团钒钛有限公司 | Sintering mixture and application thereof |
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Application publication date: 20210402 |