CN111411220A - Proportioning method for different fuels of sintering mixture - Google Patents
Proportioning method for different fuels of sintering mixture Download PDFInfo
- Publication number
- CN111411220A CN111411220A CN202010314644.3A CN202010314644A CN111411220A CN 111411220 A CN111411220 A CN 111411220A CN 202010314644 A CN202010314644 A CN 202010314644A CN 111411220 A CN111411220 A CN 111411220A
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- China
- Prior art keywords
- mixture
- fuel
- sintering
- particle size
- proportion
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/22—Sintering; Agglomerating in other sintering apparatus
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2002/00—Disposition of the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a proportioning method for different fuels of a sintering mixture, belongs to the field of ferrous metallurgy sintering production, and solves the problem of proportioning different fuels of the original sintering mixture. The invention adds two sets of fuel bunker and weighing device, mixer and granulator system on the basis of the original fuel bunker and weighing device, mixer and granulator system. The mixture fuel mixture ratio of the three systems is respectively 0.00-3.00%, 3.00-5.00% and 5.00-7.00%, and the amount of the raw materials and the flux accounts for 20.00-50.00% of the total amount of the raw materials and the flux. The mixture is granulated to generate a sintering mixture with three particle sizes and fuel proportions, the sintering mixture is distributed on a sintering trolley according to the particle sizes, different fuel proportions of the mixture on the sintering trolley are realized, the fuel proportion of the mixture with the large particle size at the upper part is highest, the fuel proportion of the mixture with the medium particle size at the middle part is second, the fuel proportion of the mixture with the small particle size at the lower part is lowest, the heat utilization is improved, and the total fuel proportion of the mixture is reduced by 0.10-2.00%.
Description
Technical Field
The invention relates to a method for proportioning and batching different fuels of a sintering mixture in the field of ferrous metallurgy.
Background
The raw sintering mixture is subjected to primary raw material, flux and fuel proportioning, mixing and granulating, is conveyed to a nine-roller distributing device through a belt, is distributed on a sintering machine trolley, and is sintered. The mixture fuel ratio of different thickness positions on the sintering pallet is the same, and due to the heat storage principle of the thick-layer mixture, the heat at the lower part is abundant, so that the energy waste is caused.
Disclosure of Invention
The invention relates to a method for proportioning and blending different fuels of a sintering mixture. Solves the problem of different fuel proportions of the original sintering mixture. The invention adds two sets of fuel bunker and weighing device, mixer and granulator system on the basis of the original fuel bunker and weighing device, mixer and granulator system. The mixture fuel mixture ratio of the three systems is respectively 0.00-3.00%, 3.00-5.00% and 5.00-7.00%, and the amount of the raw materials and the flux accounts for 20.00-50.00% of the total amount of the raw materials and the flux. The sintering mixture with three particle sizes and fuel proportions is generated by mixing and granulating, and is respectively distributed on a sintering trolley according to the particle sizes, so that different fuel proportions of the mixture on the sintering trolley are realized, the fuel proportion of the mixture with the large particle size on the upper part is highest, the fuel proportion of the mixture with the medium particle size in the middle part is second, the fuel proportion of the mixture with the small particle size on the lower part is lowest, the heat utilization is improved by utilizing the heat storage principle of the mixture with a thick material layer, and the total fuel proportion of the mixture is reduced by 0.10-2.00%.
Drawings
FIG. 1 is a method for proportioning different fuels of a sintering mixture.
Wherein: 1. raw material bin and weighing device
2. Flux bin and weighing device
3. Fuel bunker and weighing device
4. Material mixing machine
5. Granulating machine
6. Nine-roller distributing device
7. Sintering machine
Detailed Description
The method of the invention is realized by the following specific implementation modes:
(1) two sets of bunker and weighing device, blendor, granulator system are additionally arranged on the basis of the original batching bunker and weighing device, blendor, granulator system.
(2) The mixture fuel mixture ratio of the three systems is respectively 0.00-3.00%, 3.00-5.00% and 5.00-7.00%, and the amount of the raw materials and the flux accounts for 20.00-50.00% of the total amount of the raw materials and the flux.
(3) And mixing and granulating to generate three sintering mixtures with the particle sizes and the fuel ratio.
(4) The sintering mixture with three particle sizes and fuel proportions is respectively distributed on a sintering trolley according to the particle sizes, the fuel proportion of the mixture with large particle size on the upper part is highest, the fuel proportion of the mixture with medium particle size in the middle part is second, and the fuel proportion of the mixture with small particle size on the lower part is lowest.
Detailed description of the preferred embodiments
Example 1
Two sets of bunker and weighing device, blendor, granulator system are additionally arranged on the basis of the original batching bunker and weighing device, blendor, granulator system. On the premise of ensuring that the quality of sintered mineral products is not reduced, the fuel mixture ratio of the mixture of the three systems is respectively 3.00%, 4.50% and 7.00%, and the amount of the raw materials and the flux accounts for 40.00%, 30.00% and 30.00% of the total amount of the raw materials and the flux. The mixture is granulated to generate three sintering mixtures with different particle sizes and fuel proportions, and the sintering mixtures are respectively distributed on a sintering trolley according to the particle sizes, wherein the fuel proportion of the mixture with the large particle size at the upper part is highest, the fuel proportion of the mixture with the medium particle size at the middle part is second, the fuel proportion of the mixture with the small particle size at the lower part is lowest, the total fuel proportion of the mixture is 4.65%, and the fuel proportion is saved by 0.35% compared with the 5.00% fuel proportion of the previous mixture.
Claims (4)
1. A proportioning method for different fuels of a sintering mixture is characterized by comprising the following steps: two sets of bunker and weighing device, blendor, granulator system are additionally arranged on the basis of the original batching bunker and weighing device, blendor, granulator system.
2. The method for proportioning and blending different fuels for a sinter mix according to claim 1, further comprising: the mixture fuel mixture ratio of the three systems is respectively 0.00-3.00%, 3.00-5.00% and 5.00-7.00%, and the amount of the raw materials and the flux accounts for 20.00-50.00% of the total amount of the raw materials and the flux.
3. The method of claims 1, 2, further comprising: and mixing and granulating to generate three sintering mixtures with the particle sizes and the fuel ratio.
4. The method of claims 1, 2, and 3, further comprising: the sintering mixture with three particle sizes and fuel proportions is distributed on a sintering trolley, the fuel proportion of the mixture with the large particle size at the upper part is highest, the fuel proportion of the mixture with the medium particle size at the middle part is second, and the fuel proportion of the mixture with the small particle size at the lower part is lowest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314644.3A CN111411220A (en) | 2020-04-21 | 2020-04-21 | Proportioning method for different fuels of sintering mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314644.3A CN111411220A (en) | 2020-04-21 | 2020-04-21 | Proportioning method for different fuels of sintering mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111411220A true CN111411220A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010314644.3A Pending CN111411220A (en) | 2020-04-21 | 2020-04-21 | Proportioning method for different fuels of sintering mixture |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397047Y (en) * | 2009-03-24 | 2010-02-03 | 宝山钢铁股份有限公司 | Layering material distribution device for dry sintering machine |
| CN201964770U (en) * | 2011-03-04 | 2011-09-07 | 山西太钢不锈钢股份有限公司 | Segregation distributing device of sintering machine |
| CN103509938A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Method for preventing excessive fusion of prereduced sinter |
| CN105274269A (en) * | 2014-07-22 | 2016-01-27 | 宝山钢铁股份有限公司 | Sintering mixed material distribution method |
| CN108754131A (en) * | 2018-06-14 | 2018-11-06 | 鞍钢股份有限公司 | A kind of sintering production method of optimization fuel collocation |
-
2020
- 2020-04-21 CN CN202010314644.3A patent/CN111411220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397047Y (en) * | 2009-03-24 | 2010-02-03 | 宝山钢铁股份有限公司 | Layering material distribution device for dry sintering machine |
| CN201964770U (en) * | 2011-03-04 | 2011-09-07 | 山西太钢不锈钢股份有限公司 | Segregation distributing device of sintering machine |
| CN103509938A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Method for preventing excessive fusion of prereduced sinter |
| CN105274269A (en) * | 2014-07-22 | 2016-01-27 | 宝山钢铁股份有限公司 | Sintering mixed material distribution method |
| CN108754131A (en) * | 2018-06-14 | 2018-11-06 | 鞍钢股份有限公司 | A kind of sintering production method of optimization fuel collocation |
Non-Patent Citations (1)
| Title |
|---|
| 王筱留: "《钢铁冶金学 炼铁部分 第2版》", 31 January 2000 * |
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| PB01 | Publication | ||
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Application publication date: 20200714 |