CN106399677A - Ferromanganese alloy ball and manufacturing method thereof - Google Patents
Ferromanganese alloy ball and manufacturing method thereof Download PDFInfo
- Publication number
- CN106399677A CN106399677A CN201610857217.3A CN201610857217A CN106399677A CN 106399677 A CN106399677 A CN 106399677A CN 201610857217 A CN201610857217 A CN 201610857217A CN 106399677 A CN106399677 A CN 106399677A
- Authority
- CN
- China
- Prior art keywords
- manganeisen
- ball
- preparation
- parts
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a ferromanganese alloy ball and a manufacturing method of the ferromanganese alloy ball. The ferromanganese alloy ball is composed of, by weight, 70-85 parts of ferromanganese alloy, 10-25 parts of manganese ores and 1-4 parts of a binder. According to the ferromanganese alloy ball and the manufacturing method, the ferromanganese alloy ball is used as a deoxidizer, a coolant and an alloy additive in the endpoint tapping process of a converter, the yield of metal manganese is stable, the alloy ball melting speed is high, consumption of raw materials and auxiliary materials is lowered, the environmental pollution is reduced, the working condition is improved, and the steel making cost is lowered remarkably.
Description
Technical field
The present invention relates to a kind of alloying pellet and preparation method thereof, more particularly to a kind of manganeisen ball and its making side
Method.
Background technology
Manganeisen is widely used in steel-making, foundary industry and other industrial production, and in steel-making, ferromanganese is used for precipitating
Deoxidation and diffusive deoxidation, add a number of manganese simultaneously in steel, can the significant intensity improving steel, consistency and elasticity.General steel
In 0.15%-0.35% containing manganese, in structural steel contain manganese 0.40%～1.75%, in tool steel contain manganese 0.30%～1.80%, bullet
Contain manganese 0.40%～2.80% in spring steel, in stainless acid resistant steel, contain manganese 3.40%～4.00%, contain in heat resisting steel manganese 1.00%～
3.00%, contain manganese 2%～3% or higher in manganese steel.In steel industry, often produce one ton of steel and consume about the 75% of 3～5kg
Ferromanganese.Ferromanganese is requisite deoxidier and alloy addition in steel industry.
In known technology, the smelting of manganeisen is that manganese ore, coke and lime etc. are expected respectively generally in blast furnace process
Add in blast furnace the blast furnace ferromanganese carrying out smelting, obtaining containing manganese 52%～76%/phosphorous 0.4%～0.6%.Disappear in smelting process
Consume the substantial amounts of energy and the pollution causing environment, have in convertor steelmaking process heat more than needed simultaneously, appropriate cooling agent need to be added,
To hit outlet temperature exactly, coverter pig cooling agent is mainly steel scrap, iron ore, iron scale etc. to reduce converter eventually
Point temperature, high cost, working condition is poor.
Content of the invention
The technical problem to be solved is to provide a kind of manganeisen ball and preparation method thereof, and it is by manganeisen
, as the deoxidier in converter terminal tapping process, cooling agent and alloy addition, the recovery rate of manganese metal is stable, alloying pellet for ball
Burn-off rate is fast, reduces supplementary material material consumption, reduces environmental pollution, improves working conditions, significantly reduce steel-making cost.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of manganeisen ball, its feature exists
In described manganeisen ball is made up of the raw material of following weight portion：70～85 parts of manganeisen, 10～25 parts of manganese ore, bonding
1～4 part of agent.
Preferably, the particle diameter of described manganeisen ball is 10～50mm.
Preferably, compression strength >=1500N/ of described manganeisen ball.
The present invention also provides a kind of preparation method of manganeisen ball it is characterised in that comprising the following steps：
Step one：Obtain respectively manganeisen and manganese ore and by disintegrating apparatus make granularity be 0.1～5mm
Grain；
Step 2：Take ferromanganese and the manganese ore of step one preparation by 70～85 parts of manganeisen, 10～25 parts of manganese ore
The boosted machine of grain is delivered to edge runner, adds 1～4 part of binding agent to carry out batch mixing and roll stirring formation compound in edge runner,
Control mixing time to be 5～20 minutes simultaneously；
Step 3：The compound of step 2 gained is delivered to shaping mechanism ball by belt conveyor, then delivers to roasting plant
Carry out drying.
Preferably, described elevator carries out screen cloth before lifting.
Preferably, proportion scale and mixing time need to be controlled during described edge runner operating.
Preferably, described forming machine is ball press.
Preferably, the compound of step 2 gained is specifically delivered to shaping mechanism granulating by belt conveyor by described step 3
Footpath is the manganeisen ball of 10～50mm, then delivers to and dry in roasting plant to moisture 0～1%, finally by manganeisen ball
Packaging and storage.
Preferably, described roasting plant is baking car or tunnel drying kiln.
Preferably, it is sieved through metering packing after sieve through vibration after the drying of described manganeisen ball warp overbaking equipment to enter
Storehouse.
The positive effect of the present invention is：Manganeisen and manganese ore raw material are crushed and make grain 0～5mm by the present invention
Particle, and add appropriate binding agent to make alloying pellet that particle diameter is ten to five ten millimeters.So, contained according to converter terminal manganese
Amount and finished steel manganese require to put into manganeisen ball amount, and in converter tapping process, liquid steel temperature reaches 1600～1700 DEG C, closes
Gold goal melts disperse quickly, and yield of alloy reaches more than 92%, has the dual-use function of alloying constituent and deoxidier, thus reduces ring
Border pollutes, reduces labor intensity, increasing manganese recovery, energy saving and consumption of raw materials, reduces the good result of smelting cost.
Brief description
Fig. 1 is the flow chart of the preparation method of manganeisen ball of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformation can also be made and improve.These broadly fall into the present invention
Protection domain.
Manganeisen ball of the present invention is made up of the raw material of following weight portion：70～85 parts of manganeisen, manganese ore 10～25
Part, 1～4 part of binding agent.Described binding agent can for starch adesive, breeze binding agent, in organic gel, cement, resin, carboxymethyl
The combination of one or more of sodium cellulosate, dextrin.
The particle diameter of manganeisen ball is 10～50mm, and the main steel mill of the present invention uses, and such specification is conducive to steel mill's warp
Cross feed bin feeding and use, too little easily produce powder in transportation, be so easy for being siphoned away by deduster, too greatly
It is easily caused the generation of the phenomenon that gets stuck.
After compression strength >=1500N/ of manganeisen ball it is simply that reach this intensity, it is not easy in use
Broken.
As shown in figure 1, the preparation method of manganeisen ball of the present invention comprises the following steps：
Step one：Obtain respectively manganeisen and manganese ore and by disintegrating apparatus make granularity be 0.1～5mm
Grain；Separately made particle, after after mix.
Step 2：Take ferromanganese and the manganese ore of step one preparation by 70～85 parts of manganeisen, 10～25 parts of manganese ore
The boosted machine of grain is delivered to edge runner, adds 1～4 part of binding agent to carry out batch mixing and roll stirring formation compound in edge runner,
Control mixing time to be 5～20 minutes simultaneously；
Elevator carries out screen cloth before lifting, prevents debris rubbish from entering, controls blanking velocity simultaneously.
Proportion scale and mixing time need to be controlled during edge runner operating, control mixing time to can ensure that the uniform of product
Property.
Step 3：The compound of step 2 gained is delivered to shaping mechanism ball thus forming manganeisen by belt conveyor
Ball, then deliver to roasting plant and carry out drying.Specifically the compound of step 2 gained is delivered to forming machine by belt conveyor
Make the manganeisen ball that particle diameter is 10～50mm, then deliver to and dry in roasting plant to moisture below 1%, finally by ferromanganese
Alloying pellet packaging and storage.
The manganeisen ball finished product that forming machine is made need to be sieved by vibratory sieve and is fed again into particle by elevator
Edge runner.Forming machine can be specifically ball press.
Roasting plant can be baking car or tunnel drying kiln, and wherein, tunnel drying kiln is controlled by combustion chamber, and tunnel is done
The air quantity of dry kiln and the regulation of wind-warm syndrome are passed through to control combustion chamber and intake air temperature to realize.
Manganeisen ball finished product metering packing can be put in storage after the drying of roasting plant after vibratory sieve sieves.
The effect that the present invention obtains is illustrated by following two experiments：
Experiment one：By technique scheme produce manganeisen ball steel mill's converter station tap 1/3 when be aligned steel
Stream adds weighted alloy to be tested, and test steel grade is Q235B steel, and test technology flow process BOF CAS CC, in test
In the addition of alloy and smelting process, molten steel composition is distinguished as shown in Table 1 and Table 2：
Table 1：The alloy addition of Q235B steel
Table 2：Composition and yield of alloy during Q235B steel smelting
As above shown in Tables 1 and 2, manganese addition ferroalloy ball in smelting Q235B steel converter tapping process, the recovery rate of manganese is big
In 93% recovery rate exceeding manganese in the existing manganeisen of steel mill, manganeisen ball increases to molten steel during whole use
Sulphur, phosphorus are less, and the ferromanganese of the addition use more normal than steel mill of manganeisen ball can reach ton this 8.58 yuan of a steel fall.
Experiment two：Above-mentioned manganeisen ball steel mill's converter station tap 1/3 when be aligned steel stream add weighted conjunction
Gold is tested, and test steel grade is 40Mn steel, test technology flow process BOF CAS CC, the addition of alloy and smelting in test
During molten steel composition respectively as shown in Table 3 and Table 4：
Table 3：The alloy addition of 40Mn steel
Table 4：Composition during 40Mn steel smelting
As shown in upper table 3 and table 4, the converter tapping process manganese addition ferroalloy ball when smelting 45Mn, the recovery rate of manganese is more than
93% recovery rate exceeding manganese in the existing manganeisen of steel mill, manganeisen ball during whole use, molten steel is increased sulphur,
Phosphorus is less, and the ferromanganese of the addition use more normal than steel mill of manganeisen ball can reach ton this 7.81 yuan of a steel fall.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various modifications or modification within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (8)
1. a kind of manganeisen ball is it is characterised in that described manganeisen ball is made up of the raw material of following weight portion：Manganeisen
70～85 parts, 10～25 parts of manganese ore, 1～4 part of binding agent.
2. manganeisen ball as claimed in claim 1 is it is characterised in that the particle diameter of described manganeisen ball is 10～50mm.
3. manganeisen ball as claimed in claim 1 is it is characterised in that the compression strength >=1500N/ of described manganeisen ball
Individual.
4. a kind of preparation method of manganeisen ball is it is characterised in that comprise the following steps：
Step one：Obtain manganeisen and manganese ore respectively and the particle that granularity is 0.1～5mm is made by disintegrating apparatus；
Step 2：Take ferromanganese and the manganese ore particle warp of step one preparation by 70～85 parts of manganeisen, 10～25 parts of manganese ore
Elevator is delivered to edge runner, adds 1～4 part of binding agent to carry out batch mixing and roll stirring formation compound, simultaneously in edge runner
Mixing time is controlled to be 5～20 minutes；
Step 3：The compound of step 2 gained is delivered to shaping mechanism ball by belt conveyor, then delivers to roasting plant and carry out
Dry.
5. the preparation method of manganeisen ball according to claim 4 is it is characterised in that described edge runner needs when operating to control
Proportion scale processed and mixing time.
6. the preparation method of manganeisen ball according to claim 4 is it is characterised in that described forming machine is ball press.
7. the preparation method of manganeisen ball according to claim 4 is it is characterised in that described step 3 is specifically by step
The compound of two gained is delivered to shaping mechanism by belt conveyor and becomes the manganeisen ball that particle diameter is 10～50mm, then delivers to baking
Dry in equipment to moisture 0～1%, finally by manganeisen ball packaging and storage.
8. the preparation method of manganeisen ball according to claim 4 is it is characterised in that described roasting plant is baking car
Or tunnel drying kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857217.3A CN106399677A (en) | 2016-09-27 | 2016-09-27 | Ferromanganese alloy ball and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857217.3A CN106399677A (en) | 2016-09-27 | 2016-09-27 | Ferromanganese alloy ball and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106399677A true CN106399677A (en) | 2017-02-15 |
Family
ID=57997727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857217.3A Pending CN106399677A (en) | 2016-09-27 | 2016-09-27 | Ferromanganese alloy ball and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106399677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592318A (en) * | 2019-10-14 | 2019-12-20 | 江苏江南铁合金有限公司 | Molybdenum-manganese ball added for steel making and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040426A (en) * | 1999-07-30 | 2001-02-13 | Kobe Steel Ltd | Manufacture of prereduced product of manganese ore |
| CN1778973A (en) * | 2004-11-25 | 2006-05-31 | 马鞍山中冶钢铁冶金科技实业开发有限公司 | Composite ferromanganese mineral ball for steelmaking |
| CN1884588A (en) * | 2006-06-14 | 2006-12-27 | 刘凯平 | Manganese pellet ore and associated method of production |
| CN101250605A (en) * | 2008-03-21 | 2008-08-27 | 江阴市尚疯新能源技术开发有限公司 | Method for directly melting manganese iron with manganese ore by using converter |
-
2016
- 2016-09-27 CN CN201610857217.3A patent/CN106399677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040426A (en) * | 1999-07-30 | 2001-02-13 | Kobe Steel Ltd | Manufacture of prereduced product of manganese ore |
| CN1778973A (en) * | 2004-11-25 | 2006-05-31 | 马鞍山中冶钢铁冶金科技实业开发有限公司 | Composite ferromanganese mineral ball for steelmaking |
| CN1884588A (en) * | 2006-06-14 | 2006-12-27 | 刘凯平 | Manganese pellet ore and associated method of production |
| CN101250605A (en) * | 2008-03-21 | 2008-08-27 | 江阴市尚疯新能源技术开发有限公司 | Method for directly melting manganese iron with manganese ore by using converter |
Non-Patent Citations (2)
| Title |
|---|
| 徐鹿鸣 等: "锰矿粉压球代替锰铁冶炼含锰钢可行性讨论", 《铁合金》 * |
| 戴维 等: "《铁合金工程技术》", 30 June 2015, 冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592318A (en) * | 2019-10-14 | 2019-12-20 | 江苏江南铁合金有限公司 | Molybdenum-manganese ball added for steel making and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101353708B (en) | Nickel iron smelting process with nickel oxide ore and stainless steel production wastes as raw materials | |
| CN102586538B (en) | Vanadium extraction coolant and preparation method thereof | |
| CN1847440A (en) | Nickel-chromium-iron alloy and production method thereof | |
| CN109295316A (en) | The recovery process of vanadium in vanadium containing steel slag | |
| CN103556068A (en) | Method for producing weather-resisting steel by using low-grade nickel ores | |
| CN108004362A (en) | Troilite prepares sulfuric acid and the method and system of direct reduced iron | |
| CN110295261B (en) | Smelting method of high-manganese steel-making molten iron | |
| CN107779534A (en) | A kind of shaft furnace process processing steel plant are containing zinc, iron dirt bricklayer's's process | |
| CN104120207B (en) | One joins the raw ferriferous method in ore deposit with tin tail iron ore concentrate and the poor assorted ore deposit of high harmful element | |
| FI126719B (en) | Process for making manganese-containing iron alloy | |
| CN102586537A (en) | Vanadium extraction coolant and its preparation method | |
| CN103146914B (en) | Cold-pressed high-strength fluorite pellet binder and use method thereof | |
| CN106399677A (en) | Ferromanganese alloy ball and manufacturing method thereof | |
| CN102534198A (en) | Method for pelletizing refined iron powder extracted from steel slag for converter steel making | |
| CN101921909B (en) | Method for controlling ferrous oxide content in sintering ore | |
| CN109929995A (en) | A kind of aluminium ash pellet binder and preparation method thereof | |
| CN103509934A (en) | Method for producing austenitic stainless steel by using nickel and chromium ores | |
| CN105039637A (en) | Magnesium-bearing cooling agent for extracting vanadium and preparation method of magnesium-bearing cooling agent | |
| CN102719665B (en) | Process method for producing slag-forming agent for making steel by utilizing steel making sludge | |
| CN107326198A (en) | A kind of processing method and system of high phosphorus low-grade manganese carbonate ore | |
| CN101270450A (en) | Ferro-nickel alloy and smelting method | |
| CN107227402A (en) | A kind of method of water quenching nickel slag compounding copper tailings comprehensive utilization | |
| CN107881282A (en) | A kind of phosphorus-containing iron ore prereduction synchronization dephosphorization direct ironmaking technique | |
| CN111088425B (en) | Composite alloy capable of replacing ferrovanadium alloy and production process and application thereof | |
| CN107739819A (en) | A kind of method of coal base shaft furnace process processing iron content red mud |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |