CN105714107A - Ferro-vanadium refining furnace burden and preparing method thereof - Google Patents
Ferro-vanadium refining furnace burden and preparing method thereof Download PDFInfo
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- CN105714107A CN105714107A CN201610108395.6A CN201610108395A CN105714107A CN 105714107 A CN105714107 A CN 105714107A CN 201610108395 A CN201610108395 A CN 201610108395A CN 105714107 A CN105714107 A CN 105714107A
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- Prior art keywords
- vanadium
- parts
- ferro
- furnace burden
- furnace charge
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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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- 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
-
- 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
- C22B1/242—Binding; Briquetting ; Granulating with binders
Abstract
The invention discloses ferro-vanadium refining furnace burden and a preparing method thereof. The ferro-vanadium refining furnace burden is composed of, by weight, 45-65 parts of vanadium concentrate powder, 5-20 parts of vanadium carbide fine powder, 1-5 parts of sodium hexametaphosphate, 1-4 parts of caprolactam, 50-80 parts of vanadium oxide slag, 10-15 parts of a reducing agent and 8-15 parts of a bonding agent. Compared with the prior art, the ferro-vanadium refining furnace burden and the preparing method thereof have the beneficial effects that the metallization ratio of the furnace burden produced through a production technology for the ferro-vanadium refining furnace burden can reach 50%-70%, the technology is simple, and cost is low; coke powder or coal dust is adopted as fuel, coal ash generated after combustion can be screened out from sintered products, the coal ash can be recycled, in addition, the phenomenon that the coal ash enters sintered ore so that the mass of the sintered ore can be reduced is avoided, and the amount of harmful elements such as P entering the sintered ore is reduced; and meanwhile the advantage that a carbon-bearing pellet is rapidly and directly reduced is utilized in the furnace burden, the beneficial effects that a traditional sintering machine is high in heat efficiency and large in yield are utilized, and the ferro-vanadium refining furnace burden and the preparing method thereof are of great significance in saving energy and reducing emission for the ferro-vanadium refining technology.
Description
Technical field
The present invention relates to furnace charge production technical field, be specifically related to a kind of vanadium iron refine furnace charge and
Preparation method.
Background technology
Furnace charge refers to add Ore and other catalysis materials of smelting furnace, such as, iron ore, steel
Base, the pig iron, scrap iron and steel, coking coal, ferroalloy.Concentrate or Ore, flux and flue dust etc. are pressed
Smelting requirements is configured to the process with the furnace charge of certain chemical composition and physical property, for the modern times
The important component part of pyrometallurgy flow process.Furnace charge produces the furnace charge being usually after pelletizing at present
Sintering, reduces by reducing gases immediately after, so due to after sintering furnace charge cooling very fast,
When directly reducing by reducing gases, it is difficult to reach higher degree of metalization.
Summary of the invention
It is desirable to provide a kind of vanadium iron refine furnace charge and preparation method thereof.
The present invention provides following technical scheme:
A kind of vanadium iron refine furnace charge and preparation method thereof, is made up of the raw material of following parts by weight:
Vanadium fine ore 45-65 part, vanadium carbide fine powder 5-20 part, sodium hexameta phosphate 1-5 part, in oneself
Amide 1-4 part, oxidation vanadium slag 50-80 part, reducing agent 10-15 part and bonding agent 8-15 part.
A kind of vanadium iron refine furnace charge and preparation method thereof, comprises the following steps:
(1) weigh the vanadium fine ore of described parts by weight, vanadium carbide fine powder, sodium hexameta phosphate,
Caprolactam, oxidation vanadium slag, reducing agent and bonding agent, grind into powder respectively；
(2) being sufficiently mixed by above-mentioned raw materials, add water moistening, the addition of water is the total matter of raw material
The 10-12% of amount, by the raw material of mixing to carrying out pressure ball on roller ball press, makes pelletizing,
Described pelletizing size Control is at 8-20mm；
(3) pelletizing is mixed with fuel, continuous pallettype sintering machine carries out the high temperature reduction of pelletizing
Obtaining sintered product, described amount of fuel addition is the 15-22% of pellet quality；
(4) sintered product that step (3) obtains is cooled down, screening, described
Vanadium iron refine furnace charge.
Described reducing agent is selected from one or both in coke powder or anchracite duff, and described bonding agent is
Quick lime.
The particle diameter of the vanadium fine ore described in described step (1) and oxidation vanadium slag is 1-2mm,
Described vanadium carbide fine powder particle diameter is 0.8-1.2mm, and the particle diameter of described reducing agent is 0.1-0.3mm,
The particle diameter of described bonding agent is 0.3-0.5mm.
Described step (3) is covered with on continuous pallettype sintering machine 25-35mm thick containing vanadium grate-layer material.
Compared with prior art, the invention has the beneficial effects as follows: the vanadium iron refining furnace of the present invention
The production technology of material, the furnace charge degree of metalization of production reaches 50-60%, and technique is simple, becomes
This is low；Using coke powder or coal dust is fuel, and the flyash after burning can be from sintered product
Screening out, not only can recycle, and avoid entrance sintering deposit and reduce it
Quality, decreases the harmful elements such as P simultaneously and enters sintering deposit；The present invention absorbs and contains simultaneously
The advantage of carbon pellets fast direct reducing, make use of the conventional sintering machine thermal efficiency high and yield is big
Advantage, the energy-saving and emission-reduction to vanadium iron refinery practice are significant.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into this
The scope of bright protection.
1 one kinds of vanadium iron refine furnace charges of embodiment and preparation method thereof, by the raw material group of following parts by weight
Become: vanadium fine ore 45 parts, vanadium carbide fine powder 5 parts, sodium hexameta phosphate 1 part, caprolactam
1 part, oxidation vanadium slag 50 parts, reducing agent 10 parts and bonding agent 8 parts.
A kind of vanadium iron refine furnace charge and preparation method thereof, comprises the following steps:
(1) weigh the vanadium fine ore of described parts by weight, vanadium carbide fine powder, sodium hexameta phosphate,
Caprolactam, oxidation vanadium slag, reducing agent and bonding agent, grind into powder respectively；
(2) being sufficiently mixed by above-mentioned raw materials, add water moistening, the addition of water is the total matter of raw material
The 10-12% of amount, by the raw material of mixing to carrying out pressure ball on roller ball press, makes pelletizing,
Described pelletizing size Control is at 8-20mm；
(3) pelletizing is mixed with fuel, continuous pallettype sintering machine carries out the high temperature reduction of pelletizing
Obtaining sintered product, described amount of fuel addition is the 15-22% of pellet quality；
(4) sintered product that step (3) obtains is cooled down, screening, described
Vanadium iron refine furnace charge.
Described reducing agent is selected from one or both in coke powder or anchracite duff, and described bonding agent is
Quick lime.
The particle diameter of the vanadium fine ore described in described step (1) and oxidation vanadium slag is 1-2mm,
Described vanadium carbide fine powder particle diameter is 0.8-1.2mm, and the particle diameter of described reducing agent is 0.1-0.3mm,
The particle diameter of described bonding agent is 0.3-0.5mm.
Described step (3) is covered with on continuous pallettype sintering machine 25-35mm thick containing vanadium grate-layer material.
2 one kinds of vanadium iron refine furnace charges of embodiment and preparation method thereof, by the raw material group of following parts by weight
Become: vanadium fine ore 65 parts, vanadium carbide fine powder 20 parts, sodium hexameta phosphate 5 parts, caprolactam
4 parts, oxidation vanadium slag 80 parts, reducing agent 15 parts and bonding agent 15 parts.
A kind of vanadium iron refine furnace charge and preparation method thereof, comprises the following steps:
(1) weigh the vanadium fine ore of described parts by weight, vanadium carbide fine powder, sodium hexameta phosphate,
Caprolactam, oxidation vanadium slag, reducing agent and bonding agent, grind into powder respectively；
(2) being sufficiently mixed by above-mentioned raw materials, add water moistening, the addition of water is the total matter of raw material
The 10-12% of amount, by the raw material of mixing to carrying out pressure ball on roller ball press, makes pelletizing,
Described pelletizing size Control is at 8-20mm；
(3) pelletizing is mixed with fuel, continuous pallettype sintering machine carries out the high temperature reduction of pelletizing
Obtaining sintered product, described amount of fuel addition is the 15-22% of pellet quality；
(4) sintered product that step (3) obtains is cooled down, screening, described
Vanadium iron refine furnace charge.
Described reducing agent is selected from one or both in coke powder or anchracite duff, and described bonding agent is
Quick lime.
The particle diameter of the vanadium fine ore described in described step (1) and oxidation vanadium slag is 1-2mm,
Described vanadium carbide fine powder particle diameter is 0.8-1.2mm, and the particle diameter of described reducing agent is 0.1-0.3mm,
The particle diameter of described bonding agent is 0.3-0.5mm.
Described step (3) is covered with on continuous pallettype sintering machine 25-35mm thick containing vanadium grate-layer material.
3 one kinds of vanadium iron refine furnace charges of embodiment and preparation method thereof, by the raw material group of following parts by weight
Become: vanadium fine ore 52 parts, vanadium carbide fine powder 12 parts, sodium hexameta phosphate 3 parts, caprolactam
2 parts, oxidation vanadium slag 65 parts, reducing agent 14 parts and bonding agent 10 parts.
A kind of vanadium iron refine furnace charge and preparation method thereof, comprises the following steps:
(1) weigh the vanadium fine ore of described parts by weight, vanadium carbide fine powder, sodium hexameta phosphate,
Caprolactam, oxidation vanadium slag, reducing agent and bonding agent, grind into powder respectively；
(2) being sufficiently mixed by above-mentioned raw materials, add water moistening, the addition of water is the total matter of raw material
The 10-12% of amount, by the raw material of mixing to carrying out pressure ball on roller ball press, makes pelletizing,
Described pelletizing size Control is at 8-20mm；
(3) pelletizing is mixed with fuel, continuous pallettype sintering machine carries out the high temperature reduction of pelletizing
Obtaining sintered product, described amount of fuel addition is the 15-22% of pellet quality；
(4) sintered product that step (3) obtains is cooled down, screening, described
Vanadium iron refine furnace charge.
Described reducing agent is selected from one or both in coke powder or anchracite duff, and described bonding agent is
Quick lime.
The particle diameter of the vanadium fine ore described in described step (1) and oxidation vanadium slag is 1-2mm,
Described vanadium carbide fine powder particle diameter is 0.8-1.2mm, and the particle diameter of described reducing agent is 0.1-0.3mm,
The particle diameter of described bonding agent is 0.3-0.5mm.
Described step (3) is covered with on continuous pallettype sintering machine 25-35mm thick containing vanadium grate-layer material.
It is obvious to a person skilled in the art that the invention is not restricted to described one exemplary embodiment
Details, and without departing from the spirit or essential characteristics of the present invention, it is possible to it
His concrete form realizes the present invention.Therefore, no matter from the point of view of which point, all should be by embodiment
Regarding exemplary as, and be nonrestrictive, the scope of the present invention is by claims
Rather than described explanation limit, it is intended that by fall claim equivalency implication and
In the range of all changes include in the present invention.Although moreover, it will be appreciated that this specification
It is been described by according to embodiment, but the most each embodiment only comprises an independent technology
Scheme, this narrating mode of description is only for clarity sake, and those skilled in the art should
When using description as an entirety, the technical scheme in each embodiment can also be through suitable group
Close, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. vanadium iron refine furnace charge and preparation method thereof, it is characterised in that by following weight portion
The raw material composition of number: vanadium fine ore 45-65 part, vanadium carbide fine powder 5-20 part, hexa metaphosphoric acid
Sodium 1-5 part, caprolactam 1-4 part, oxidation vanadium slag 50-80 part, reducing agent 10-15 part and
Bonding agent 8-15 part.
A kind of vanadium iron refine furnace charge the most according to claim 1 and preparation method thereof, its
It is characterised by, comprises the following steps:
(1) weigh the vanadium fine ore of described parts by weight, vanadium carbide fine powder, sodium hexameta phosphate,
Caprolactam, oxidation vanadium slag, reducing agent and bonding agent, grind into powder respectively；
(2) being sufficiently mixed by above-mentioned raw materials, add water moistening, the addition of water is the total matter of raw material
The 10-12% of amount, by the raw material of mixing to carrying out pressure ball on roller ball press, makes pelletizing,
Described pelletizing size Control is at 8-20mm；
(3) pelletizing is mixed with fuel, continuous pallettype sintering machine carries out the high temperature reduction of pelletizing
Obtaining sintered product, described amount of fuel addition is the 15-22% of pellet quality；
(4) sintered product that step (3) obtains is cooled down, screening, described
Vanadium iron refine furnace charge.
A kind of vanadium iron refine furnace charge the most according to claim 1 and 2 and preparation method thereof,
It is characterized in that: described reducing agent is selected from one or both in coke powder or anchracite duff, described
Bonding agent is quick lime.
A kind of vanadium iron refine furnace charge the most according to claim 1 and 2 and preparation method thereof,
It is characterized in that: the particle diameter of the vanadium fine ore described in described step (1) and oxidation vanadium slag is
1-2mm, described vanadium carbide fine powder particle diameter is 0.8-1.2mm, and the particle diameter of described reducing agent is
0.1-0.3mm, the particle diameter of described bonding agent is 0.3-0.5mm.
A kind of vanadium iron refine furnace charge the most according to claim 1 and 2 and preparation method thereof,
It is characterized in that: described step (3) is covered with on continuous pallettype sintering machine 25-35mm thick containing vanadium
Grate-layer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108395.6A CN105714107A (en) | 2016-02-26 | 2016-02-26 | Ferro-vanadium refining furnace burden and preparing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610108395.6A CN105714107A (en) | 2016-02-26 | 2016-02-26 | Ferro-vanadium refining furnace burden and preparing method thereof |
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| Publication Number | Publication Date |
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| CN105714107A true CN105714107A (en) | 2016-06-29 |
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| CN201610108395.6A Pending CN105714107A (en) | 2016-02-26 | 2016-02-26 | Ferro-vanadium refining furnace burden and preparing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673403A (en) * | 2004-03-22 | 2005-09-28 | 武汉科技大学 | Process for producing high-carbon-chromium iron |
| CN102690921A (en) * | 2012-06-19 | 2012-09-26 | 北京神雾环境能源科技集团股份有限公司 | Method for comprehensively utilizing vanadium titano-magnetite by melting and separating through reduction-fuel smelting furnace of rotary hearth furnace |
| CN104630450A (en) * | 2015-02-06 | 2015-05-20 | 铜陵百荣新型材料铸件有限公司 | Production process of ferro-molybdenum metallurgical furnace burden |
| CN104726723A (en) * | 2015-02-06 | 2015-06-24 | 铜陵百荣新型材料铸件有限公司 | Production process of bismuth smelting metallurgical furnace charge |
| CN105238893A (en) * | 2015-11-02 | 2016-01-13 | 河北钢铁股份有限公司承德分公司 | Method for conducting sintering-blast furnace iron making on vanadium-contained solid waste in ore blending manner |
-
2016
- 2016-02-26 CN CN201610108395.6A patent/CN105714107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673403A (en) * | 2004-03-22 | 2005-09-28 | 武汉科技大学 | Process for producing high-carbon-chromium iron |
| CN102690921A (en) * | 2012-06-19 | 2012-09-26 | 北京神雾环境能源科技集团股份有限公司 | Method for comprehensively utilizing vanadium titano-magnetite by melting and separating through reduction-fuel smelting furnace of rotary hearth furnace |
| CN104630450A (en) * | 2015-02-06 | 2015-05-20 | 铜陵百荣新型材料铸件有限公司 | Production process of ferro-molybdenum metallurgical furnace burden |
| CN104726723A (en) * | 2015-02-06 | 2015-06-24 | 铜陵百荣新型材料铸件有限公司 | Production process of bismuth smelting metallurgical furnace charge |
| CN105238893A (en) * | 2015-11-02 | 2016-01-13 | 河北钢铁股份有限公司承德分公司 | Method for conducting sintering-blast furnace iron making on vanadium-contained solid waste in ore blending manner |
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Application publication date: 20160629 |