CN104694738B - A kind of preparation method of vanadium-titanium magnitite sinter - Google Patents
A kind of preparation method of vanadium-titanium magnitite sinter Download PDFInfo
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- CN104694738B CN104694738B CN201310655665.1A CN201310655665A CN104694738B CN 104694738 B CN104694738 B CN 104694738B CN 201310655665 A CN201310655665 A CN 201310655665A CN 104694738 B CN104694738 B CN 104694738B
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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
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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
Abstract
The invention discloses a kind of preparation method of vanadium-titanium magnitite sinter, this method includes：Cloth, binder and sintering will be carried out after sinter mixture pelletizing successively, the raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel；On the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47 50 weight %, the content of the common iron ore concentrate is that 8 10 weight %, the common fine ore are that 68 weight %, the content of the rich ore powder are that 10 13 weight %, the content of the solvent are 10 13 weight %, and the content of the fuel is 3.5 4.5 weight %；Wherein, igniting is sintered using blast furnace gas, the firing temperature of the sintering is 950 970 DEG C, duration of ignition of sintering is that the vacuum in 10 15min, the sintering process is 11 12kPa.The preparation method of the vanadium-titanium magnitite sinter of the present invention has cost low, and can make full use of the advantage of blast furnace gas.
Description
Technical field
The present invention relates to a kind of preparation method of vanadium-titanium magnitite sinter.
Background technology
Blast furnace gas is the important secondary energy sources of iron and steel enterprise, is accounted for " three gas "（Blast furnace gas, coal gas of converter, coke-stove gas）
The 64% of total amount, accounts for more than the 12% of whole industry total energy consumption.Due to blast furnace gas, to there is calorific capacity low（CO、H2Content is few）,
Fire puts high, ignition difficulties, and is fluctuated as ironmaking production changes, the shortcomings of pressure, instability of flow, therefore, although blast furnace
Coal gas enormous amount, and its application fails to solve well always, the whole nation is average still 6% or so at present for bleeding rate.
The per day yield of blast furnace coal gas is about 1,000,000 m3/ more than h, except supply blast funnace hot blast stove, coke oven and steel rolling
System etc. there is also about m more than 20,000 using outer3/ h blast furnace gas diffuses burning because lacking user to sky, and bleeding rate about 2% is left
The right side, converts into 1.8 ten thousand tons of coal of mark, and enormous amount both wastes resource, environment polluted again, and increase production cost.And
The solid fuel with addition of more than 4.8 weight % is needed in vanadium-titanium magnitite sinter sintering production（Coke powder, anthracite）, and the solid fuel
It is higher containing S, substantial amounts of SO is produced after burning2Pollute environment.Particularly used in the deterioration of current original fuel supply external environment condition, production
In the case of coal wretched insufficiency, the blast furnace gas diffused at present is used for instead of coal as industrial fuel to have great importance.
The content of the invention
It is an object of the invention to provide a kind of cost is low, and the new vanadium-titanium magnitite sinter of blast furnace gas can be made full use of
Preparation method.
To achieve these goals, the present invention provides a kind of preparation method of vanadium-titanium magnitite sinter, wherein, this method includes：
Cloth, binder and sintering will be carried out after sinter mixture pelletizing successively, the raw materials for sintering contains sefstromite concentrate, common iron essence
Ore deposit, common fine ore, rich ore powder, solvent and fuel；On the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate
For 47-50 weight %, the content of the common iron ore concentrate is that 8-10 weight %, the common fine ore are 6-8 weight %, the rich ore
The content of powder is that 10-13 weight %, the content of the solvent are 10-13 weight %, and the content of the fuel is 3.5-4.5 weight %；
Wherein, igniting is sintered using blast furnace gas, the firing temperature of the sintering is 950-970 DEG C, the duration of ignition of sintering is
Vacuum in 10-15min, the sintering process is 11-12kPa.
The present invention also provides a kind of vanadium-titanium magnitite sinter prepared by the above method.
By above-mentioned technical proposal, the present invention has the effect that：
1）The utilization rate of blast furnace gas can be greatly improved, reduction is diffused to sky, makes full use of secondary resource；
2）Sintering solid fuel can greatly be reduced（Such as anthracite）Usage amount, alleviate the nervous office of resource
Face；
3）Production cost, environmental protection can be reduced, while sintered ore rotary drum strength and yield rate can be improved.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The preparation method for the vanadium-titanium magnitite sinter that the present invention is provided includes：To successively be carried out after sinter mixture pelletizing cloth,
Binder and sintering, the raw materials for sintering contain sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent and fuel；
On the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47-50 weight %, the common iron ore concentrate
Content is that 8-10 weight %, the common fine ore are that 6-8 weight %, the content of the rich ore powder are 10-13 weight %, the solvent
Content be 10-13 weight %, the content of the fuel is 3.5-4.5 weight %；Wherein, it is sintered a little using blast furnace gas
Fire, the firing temperature of the sintering is 950-970 DEG C, and duration of ignition of sintering is true in 10-15min, the sintering process
Reciprocal of duty cycle is 11-12kPa.
According to the present invention, the blast furnace gas is the byproduct that produces in ironmaking processes, specifically, in ironmaking processes
In, high pressure blower（Roots blower）Air blast, and by having entered blast furnace after hot blast stove heat, this hot blast and coke are helped
Combustion, generation is carbon dioxide and carbon monoxide, and carbon dioxide is again and hot coke produces carbon monoxide, and carbon monoxide is upper
During rising, the ferro element in iron ore is reduced, the pig iron is made.Molten iron is temporarily retained in furnace bottom, and timing, which is released, to be used
In direct steelmaking or ingot casting.Now in the furnace gas of blast furnace, there is superfluous carbon monoxide, this mixing gas, is exactly " blast furnace
Coal gas ".
In the present invention, with volume percentage, the blast furnace gas contains：23~26% CO, 15~18%
CO2, 55~58% N2, 1~3% H2, 0.2~0.5% O2, 0.2~0.5% CH4.Preferably, with percent by volume
Meter, the blast furnace gas contains：24~26% CO, 15~17% CO2, 55~57% N2, 2~3% H2, 0.3~
0.5% O2, 0.3~0.5% CH4。
According to the present invention, the raw materials for sintering contains sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent
And fuel；On the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47-50 weight %, the common iron
The content of concentrate is that 8-10 weight %, the common fine ore are that 6-8 weight %, the content of the rich ore powder are 10-13 weight %, institute
The content for stating solvent is 10-13 weight %, and the content of the fuel is 3.5-4.5 weight %.
Preferably, on the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47.5-50 weight %,
The content of the common iron ore concentrate is that 8.5-9.8 weight %, the common fine ore are that 6.3-7.8 weight %, the rich ore powder contain
Amount is that 10.5-12.5 weight %, the content of the solvent are 10.5-12.8 weight %, and the content of the fuel is 3.6-4.4 weights
Measure %.
It is highly preferred that on the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47.5-49.5 weights
Measure %, the content of the common iron ore concentrate is that 9.3-9.8 weight %, the common fine ore are 7-7.8 weight %, the rich ore powder
Content is that 12-12.5 weight %, the content of the solvent are 12.2-12.3 weight %, and the content of the fuel is 3.6-4.4 weights
Measure %.
In accordance with the present invention it is preferred that, the solvent is lime stone and active lime, using the gross weight of sinter mixture as base
Standard, the content of the lime stone is 7-9 weight %, and the content of the active lime is 4-5 weight %.It is highly preferred that mixed to sinter
On the basis of the gross weight for closing material, the content of the lime stone is 6-7.8 weight %, and the content of the active lime is 4.5-5 weights
Measure %.
In the present invention, the main component of the lime stone is calcium carbonate, typically also containing a small amount of iron, magnesium, aluminium, silicon etc.
Oxide.The active lime can be the active lime commonly used in the art in sintering process.The active lime is also known as
Height reaction lime or soft burnt lime, is a kind of high lime of purity, with bulk density is small, the porosity is high（Generally 50% with
On）, crystallization is thin, intensity is big, specific surface area is big, sulfur content is small and the features such as strong reagency, therefore, is widely used in sintering
In technique.Preferably, CaO content is 90-95 weight % in the active lime.The activity degree of the active lime is preferably
280-400mL。
In the present invention, in the case where not making opposite explanation, the term " activity degree " used generally use lime and water
Reaction speed is represented, that is, at normal atmospheric pressure, in 10min, 50g lime, which is dissolved in 40 DEG C of thermostatted waters, consumes 4N
The milliliter number of HCl/water solution.
According to the present invention, the sefstromite concentrate refers to vanadium and the higher various iron ore concentrates of titanium elements content.Normal conditions
Under, the main component of sefstromite concentrate is TFe:53-56 weight %, FeO:30-35 weight %, SiO2:3-4 weight %, V2O5:0.1-
1 weight %, TiO2:10-13 weight %.It is preferably to climb concentrate and/or Baima concentrate as such sefstromite concentrate.It is more preferably same
When using concentrate and Baima concentrate is climbed, while in use, the weight ratio for climbing concentrate and Baima concentrate can be 1.5-2：1.
The common iron ore concentrate is generally the iron ore without v element and titanium elements, and main component is TFe:60-63 weights
Measure %, FeO:24-27 weight %.
The main component of the rich ore powder is TFe:60-63 weight %, FeO:0.5-1 weight %, SiO2:3-5 weight %.It is excellent
Elect Australian fine ore as.
The main component of the common fine ore is TFe:52-55 weight %, FeO:12-16 weight %, SiO2:10-13 weights
Measure %.The common middle grade fine ore purchased from Xichang City Ningnan iron ore company or the production of Lugu iron mine company can for example be used.
According to the present invention, in order to realize twice laid, the influence to environment is reduced, it is preferable that the sinter mixture is also
Contain iron-bearing auxiliary material.Content to the iron-bearing auxiliary material has no particular limits, on the basis of the gross weight of sinter mixture, institute
The content for stating iron-bearing auxiliary material is preferably 2.5-3.5 parts by weight.The iron-bearing auxiliary material various can contain to be commonly used in the art
The miscellaneous material of iron, its TFe content is generally 25-60 weight %.For example, the iron-bearing auxiliary material can be selected from gas ash, slag and except dustiness
One or more in mud；Preferably gas ash.The gas ash, slag and dedusting sludge are that ironmaking or field of steel-making are routinely produced
Raw solid waste, the above-mentioned solid waste that directly can be produced using blast furnace and steel-making, can also be by commercially available.Typically
Ground：
TFe contents are usually 30-45 weight % in gas ash, and carbon content is usually 8-20 weight %.
CaO content is usually 30-40 weight % in slag, and content of MgO is usually that 5-7 weight %, FeO content is usually 4-5
Weight %, SiO2 content is usually 7-8 weight %.
TFe contents are usually 27-65 weight %, SiO in dedusting sludge2Content is usually 2-10 weight %, V2O5Content is usual
For 0.01-0.3 weight %, CaO content is usually 1-9 weight %.
According to the present invention, it can be various fuel commonly used in this field that the fuel, which is, for example can for coke powder and/or
Coal；Preferably coal；More preferably anthracite.
In addition, in the present invention, in order to further make full use of of below 3mm in blast furnace gas, preferably described fuel
Grain content is 75-80 weight %；More preferably 76-79 weight %.
According to the present invention, the method for the pelletizing can be conventional pelletizing process.For example, by sinter mixture pelletizing
Mode is generally comprised mixes progress pelletizing with water by sinter mixture.Under preferable case, the mode that raw materials for sintering is pelletized is will
Raw materials for sintering carries out one dark uniform two and is blended grain successively.
Usually, a dark even method is included sinter mixture and water mixing 2-4min, relative to 100 parts by weight
Sinter mixture, one it is dark even when water consumption be 6.8-7.1 parts by weight.
Usually, two methods for being blended grain are included by dark an even products therefrom and water mixing 2-4min, relative to 100 weights
Measure the sinter mixture of part, two water consumptions when being blended is 7.3-7.5 parts by weight.
In the present invention, it is preferred to sinter mixture pelletizing（Or granulation）The 3mm granule contents that are more than afterwards are 65-75 weight %；
More preferably 72-75 weight %.
According to the present invention, by cloth so that thickness of feed layer is 620-630mm, and binder is carried out after cloth.By the bed of material
Thickness is brought up in above range, can control sintering velocity, and reduces mixed carbon comtent using the effect of bed of material auto accumulation heat, in order to enter
One step improves the effect above, and the thickness of feed layer is preferably 624-630mm.Binder is carried out after cloth so that raw materials for sintering
Heap density rises, and the contact of raw materials for sintering particle is close, can be effectively reduced sintering velocity, extends high temperature hold time, makes ore deposit
Thing crystallization is more abundant.In order to further improve the effect above, the binder causes the bed of material to depress 20-40mm, preferably described binder
So that the bed of material depresses 30-40mm.
, according to the invention it is preferred in the case of, the firing temperature of the sintering is 955-965 DEG C, and the duration of ignition of sintering is
12-14min.In the present invention, it is more than 12min by the duration of ignition of sintering, is supplied with increase sintering process efficient heat
Give, improve the advantage of Sintering Yield and quality.
, according to the invention it is preferred in the case of, the vacuum in the sintering process is 11.4-12kPa.
The present invention also provides a kind of vanadium-titanium magnitite sinter prepared by the above method.
The present invention is further described with reference to embodiments, but the present invention is not limited in following embodiments.
In following examples and comparative example, the main component that each raw material is measured by sampling is as shown in table 1, and wherein rich ore powder is Australia
Big Leah fine ore；Common fine ore is the common middle grade fine ore that Xichang Ningnan mine company produces；Gas ash is that Pan Gang groups climb
Gang Fan Co., Ltds iron-smelter and steel mill are produced；Climb concentrate and be purchased from Pan Gang mining companies；Baima concentrate, which is purchased from, climbs steel Bai Makuang
Mountain company；Common iron ore concentrate is purchased from Panzhihua City one and founds mining industry limited company.
Table 1
| TFe | FeO | SiO2 | V2O5 | TiO2 | |
| Climb concentrate | 53.93 | 32.55 | 3.50 | 0.549 | 12.78 |
| Baima concentrate | 55.46 | 32.97 | 3.83 | 0.674 | 10.38 |
| Rich ore powder | 61.63 | 0.724 | 3.80 | ＜ 0.01 | 0.213 |
| Common fine ore | 53.0 | 12.06 | 11.0 | - | - |
| Common iron ore concentrate | 61.62 | 25.47 | 1.59 | - | - |
| Gas ash | 37.10 | 10.29 | 7.26 | 0.039 | 0.293 |
Note："-" represents not containing.
In following examples and comparative example, anthracitic carbon content is 64.73 weight %, and volatilization is divided into 8.46 weight %, ash
The granule content for being divided into below 3mm in 26.32 weight %, anthracite is 77.26 weight %；The CaO content of active lime is 95 weights
Measure %；The CaO content of lime stone is 53.96 weight %.
In following examples and comparative example, the assay method of the drum strength of finished product sintering deposit is as follows：
The ISO drum strengths defined according to GB13242, refer to take 7.5 kilograms of 40-10mm sintering deposits in ISO drum units
Rotate after 200 turns, ＞ 6.3mm grade sintering deposits account for the percentage of whole sintering deposit weight, be the important of measurement sinter strength
Index, it is higher, represent that the intensity of sintering deposit is better.SQZG-4 type ISO drum units are used in the present invention（Hebi City metallurgical machinery
Equipment Co., Ltd）It is measured.
The computational methods of yield rate are：Poured out after sintering deposit is burned, carry out natural cooling, fallen 2 times from 2m eminences, carried out
Screening, takes the percentage meter yield rate of ＞ 10mm grain size contents.
Embodiment 1
The species and consumption that raw materials for sintering is recorded by table 2 carry out mixed pelletizing（One dark uniform two is carried out successively to be blended
The mode of grain）, then, the sinter mixture after pelletizing is added on sintering pallet and carries out cloth, the height for making the bed of material is
624mm, then carrying out binder makes the bed of material depress 30mm.Using blast furnace gas（With volume percentage, contain：26% CO,
15% CO2, 55% N2, 3% H2, 0.5% O2, 0.5% CH4）Igniting is sintered, is 965 DEG C in firing temperature
Under, light a fire 12min, is sintered in the case where vacuum is 11.4kPa, obtains sintering deposit.Wherein, yield rate, yield, solid fuel
Consumption, sintering deposit intensity it is as shown in table 2.
Embodiment 2
The species and consumption that raw materials for sintering is recorded by table 2 carry out mixed pelletizing（One dark uniform two is carried out successively to be blended
The mode of grain）, then, the sinter mixture after pelletizing is added on sintering pallet and carries out cloth, the height for making the bed of material is
627mm, then carrying out binder makes the bed of material depress 35mm.Using blast furnace gas（With volume percentage, contain：24.7% CO,
16% CO2, 56% N2, 2.5% H2, 0.4% O2, 0.4% CH4）Igniting is sintered, is 960 in firing temperature
At DEG C, light a fire 13min, is sintered in the case where vacuum is 11.7kPa, obtains sintering deposit.Wherein, yield rate, yield, solid combustion
Material is consumed, the intensity of sintering deposit is as shown in table 2.
Embodiment 3
The species and consumption that raw materials for sintering is recorded by table 2 carry out mixed pelletizing（One dark uniform two is carried out successively to be blended
The mode of grain）, then, the sinter mixture after pelletizing is added on sintering pallet and carries out cloth, the height for making the bed of material is
630mm, then carrying out binder makes the bed of material depress 40mm.Using blast furnace gas（With volume percentage, contain：24% CO,
17% CO2, 57% N2, 1.4% H2, 0.3% O2, 0.3% CH4）Igniting is sintered, is 955 in firing temperature
At DEG C, light a fire 14min, is sintered in the case where vacuum is 12kPa, obtains sintering deposit.Wherein, yield rate, yield, solid fuel
Consumption, sintering deposit intensity it is as shown in table 2.
Embodiment 4
The species and consumption that raw materials for sintering is recorded by table 2 carry out mixed pelletizing（One dark uniform two is carried out successively to be blended
The mode of grain）, then, the sinter mixture after pelletizing is added on sintering pallet and carries out cloth, the height for making the bed of material is
620mm, then carrying out binder makes the bed of material depress 25mm.Using blast furnace gas（With volume percentage, contain：23% CO,
18% CO2, 57.6% N2, 1% H2, 0.2% O2, 0.2% CH4）Igniting is sintered, is 950 in firing temperature
At DEG C, light a fire 10min, is sintered in the case where vacuum is 11kPa, obtains sintering deposit.Wherein, yield rate, yield, solid fuel
Consumption, sintering deposit intensity it is as shown in table 2.
Comparative example 1
The species and consumption that raw materials for sintering is recorded by table 1 carry out mixed pelletizing（One dark uniform two is carried out successively to be blended
The mode of grain）, then, the sinter mixture after pelletizing is added on sintering pallet and carries out cloth, the height for making the bed of material is
610mm, then carrying out binder makes the bed of material depress 10mm.Using coke-stove gas（With volume percentage, contain：5% CO,
1.7% CO2, 7% N2, 60% H2, 0.3% O2, 26% CH4）Igniting is sintered, is 1050 DEG C in firing temperature
Under, light a fire 2min, is sintered in the case where vacuum is 12kPa, obtains sintering deposit.Wherein, yield rate, yield, solid fuel disappear
Consumption, the intensity of sintering deposit are as shown in table 2.
Table 2
By above-described embodiment and comparative example, blast furnace coal can be effectively utilized by the sintering method of the present invention
Gas, can be effectively reduced sintering solid fuel（Such as anthracite）Usage amount, and compared to being burnt using coke-stove gas
Knot, additionally it is possible to improve sintered ore rotary drum strength and yield rate.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
Claims (10)
1. a kind of preparation method of vanadium-titanium magnitite sinter, it is characterised in that this method includes：To successively it enter after sinter mixture pelletizing
Row cloth, binder and sintering, the raw materials for sintering contain sefstromite concentrate, common iron ore concentrate, common fine ore, rich ore powder, solvent
And fuel；On the basis of the gross weight of sinter mixture, the content of the sefstromite concentrate is 47-50 weight %, described common
The content of iron ore concentrate is that 8-10 weight %, the common fine ore are that 6-8 weight %, the content of the rich ore powder are 10-13 weights
Measure %, the content of the solvent is 10-13 weight %, the content of the fuel is 3.5-4.5 weight %；Wherein, using blast furnace
Coal gas is sintered igniting, and the firing temperature of the sintering is 950-970 DEG C, and the duration of ignition of sintering is 10-15min, described
Vacuum in sintering process is 11-12kPa；
Wherein, the mode of sinter mixture pelletizing is blended grain for raw materials for sintering to be carried out to one dark uniform two successively；Described one
Dark even method includes mixing sinter mixture with water, when drifting along or through even relative to the sinter mixture of 100 parts by weight, one
Water consumption is 6.8-7.1 parts by weight；Two, which are blended the method for grain, includes being pelletized after a dark even products therefrom is mixed with water,
Relative to the sinter mixture of 100 parts by weight, two water consumptions when being blended is 7.3-7.5 parts by weight.
2. according to the method described in claim 1, wherein, with volume percentage, the blast furnace gas contains：23~26%
CO, 15~18% CO2, 55~58% N2, 1~3% H2, 0.2~0.5% O2, 0.2~0.5% CH4。
3. according to the method described in claim 1, wherein, the firing temperature of the sintering is 955-965 DEG C, during the igniting of sintering
Between be 12-14min.
4. according to the method described in claim 1, wherein, on the basis of the gross weight of sinter mixture, the sefstromite concentrate
Content be 47.5-49.5 weight %, the content of the common iron ore concentrate is that 9.3-9.8 weight %, the common fine ore are 7-
7.8 weight %, the content of the rich ore powder are that 12-12.5 weight %, the content of the solvent are 12.2-12.3 weight %, institute
The content for stating fuel is 3.6-4.4 weight %.
5. according to the method described in claim 1, wherein, the solvent be lime stone and active lime, with sinter mixture
On the basis of gross weight, the content of the lime stone is 7-9 weight %, and the content of the active lime is 4-5 weight %.
6. the method according to any one in claim 1-5, wherein, the fuel is coke powder and/or coal.
7. the method according to any one in claim 6, wherein, the fuel is anthracite.
8. method according to claim 6, wherein, below 3mm granule content is 75-80 weight % in fuel.
9. according to the method described in claim 1, wherein, the cloth cause thickness of feed layer be 620-630mm；The binder makes
Obtain bed of material pressure 20-40mm.
10. vanadium-titanium magnitite sinter prepared by a kind of method in 1-9 as claim described in any one.
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| CN107782147A (en) * | 2016-08-30 | 2018-03-09 | 河南凤宝特钢有限公司 | A kind of method for reducing pallet burnup |
| CN112322889B (en) * | 2020-11-20 | 2022-06-03 | 攀钢集团研究院有限公司 | Method for producing sinter of vanadium-titanium-iron concentrate |
| CN112836855B (en) * | 2021-01-05 | 2023-05-05 | 重庆科技学院 | Blast furnace gas utilization rate fluctuation condition prediction method, system and computer equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168154A (en) * | 1977-03-07 | 1979-09-18 | Dravo Corporation | Sintering process for iron ore mixtures |
| CN85200549U (en) * | 1985-04-01 | 1986-01-29 | 冶金工业部长沙黑色冶金矿山设计研究院 | Sintering ignition device with the utilization of low-heat-value gas as fule |
| CN101503759A (en) * | 2009-03-12 | 2009-08-12 | 首钢总公司 | Sintering ignition technique utilizing residual heat |
| CN101532084A (en) * | 2009-04-23 | 2009-09-16 | 攀枝花新钢钒股份有限公司 | Method for charging iron ore sintering fuel |
-
2013
- 2013-12-06 CN CN201310655665.1A patent/CN104694738B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168154A (en) * | 1977-03-07 | 1979-09-18 | Dravo Corporation | Sintering process for iron ore mixtures |
| CN85200549U (en) * | 1985-04-01 | 1986-01-29 | 冶金工业部长沙黑色冶金矿山设计研究院 | Sintering ignition device with the utilization of low-heat-value gas as fule |
| CN101503759A (en) * | 2009-03-12 | 2009-08-12 | 首钢总公司 | Sintering ignition technique utilizing residual heat |
| CN101532084A (en) * | 2009-04-23 | 2009-09-16 | 攀枝花新钢钒股份有限公司 | Method for charging iron ore sintering fuel |
Non-Patent Citations (1)
| Title |
|---|
| 超高碱度对烧结矿性能与工艺参数的影响;蒋大军等;《钢铁》;20090228;第44卷(第2期);102 * |
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| CN104694738A (en) | 2015-06-10 |
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