CN106311456A - Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine - Google Patents
Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine Download PDFInfo
- Publication number
- CN106311456A CN106311456A CN201610791064.7A CN201610791064A CN106311456A CN 106311456 A CN106311456 A CN 106311456A CN 201610791064 A CN201610791064 A CN 201610791064A CN 106311456 A CN106311456 A CN 106311456A
- Authority
- CN
- China
- Prior art keywords
- sintering machine
- machine head
- head end
- ferrous metal
- mixing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
- B03B5/626—Helical separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for recovering iron concentrates and non-ferrous metals by virtue of head ash of a sintering machine. The method comprises the following steps: slurry mixing; gravity separation; low-intensity magnetic separation and enrichment; closed-circuit flotation; and re-enrichment. The method disclosed by the invention effectively solves the condition of difficult treatment for the head ash of the sintering machine in the prior art, is simple in process steps and high in recovery rate of recovering the iron concentrates and non-ferrous metals containing lead and silver, realizes regeneration of resources, turns waste into wealth, and can form a cyclic production line in iron and steel enterprises, thus saving lots of production cost.
Description
Technical field
The invention belongs to steel enterprise sintering head ash process field, particularly relate to one and utilize sintering machine head end ash to reclaim
Iron ore concentrate and the method for non-ferrous metal.
Background technology
At present, the iron and steel enterprise being positioned at north of China and coastal area mainly processes with import resources for primary raw material,
These iron and steel enterprises can produce substantial amounts of sintering machine head end ash in processing procedure, and substantial amounts of sintering machine head end ash can have a strong impact on blast furnace
Normal production, easily cause dross in State of Blast Furnace, blast furnace ignition difficulty, blast furnace staying stopping production overhaul and equipment potential safety hazard etc.
Problem.
Sintering machine head end ash contains substantial amounts of mineral element, such as TFe, K2O, Pb and Ag etc., encourage refuse more energetically in country
Utilize and under the policy of environmental protection and energy saving, today that mineral resources are more and more valuable, a great number of elements contained by sintering machine head end ash
Having bigger refinement value again and commercial value, increasing enterprise starts many sintering machine head ends ash and processes.
Such as Patent No. 200910227173.6, the China of invention entitled " overall treatment method of steel works sintering dust "
Patent of invention, discloses a kind of overall treatment method of steel works sintering dust, it is characterised in that: to sintering machine head end electro-precipitating dust classification
Process, the electro-precipitating dust that primary electric field produces is fed directly to sinters field (stock yard or Material Distribution Room) and utilizes for sintered material；
Electro-precipitating dust mixing subsequent electric field produced, carries out stirring pulping, charcoal, solid-liquid separation are selected in gradient magnetic separation, flotation after mixing；Gu
After liquid separates, gained potassium solution is made potash fertilizer, gained tail mud is extracted lead product.This patent is disadvantageous in that: technique
Complexity, cost of investment is high, is not for iron ore concentrate and the recovery of leaded, silver-colored non-ferrous metal.
And for example Application No. 201410767482.3, invention entitled " sintering electro-precipitating dust comprehensive reutilization method "
Chinese invention patent, discloses a kind of sintering electro-precipitating dust comprehensive reutilization method, at sintering machine head end electro-precipitating dust classification
Reason, is fed directly to sinter field by the electro-precipitating dust that primary electric field produces, utilizes for sintered material；The electricity that subsequent electric field is produced
Dedusting ash mixes, and carries out stirring pulping, charcoal, solid-liquid separation are selected in gradient magnetic separation, flotation after mixing；After solid-liquid separation, by gained bait
It is fertile that solution makes bait, and gained tail mud is extracted lead product.This patent is disadvantageous in that: complex process, and cost of investment is high, also
It is not for iron ore concentrate and the recovery of leaded, silver-colored non-ferrous metal.
Therefore, for the enterprise of those wilderness demand iron ore concentrates and leaded, silver-colored non-ferrous metal, it is badly in need of a kind of burning
In knot head ash, the special recovery method reclaiming iron ore concentrate and leaded, silver-colored non-ferrous metal occurs.
Summary of the invention
It is an object of the invention to the problems referred to above overcoming prior art to exist, propose one and utilize sintering machine head end ash to reclaim
Iron ore concentrate and the method for non-ferrous metal.The present invention efficiently solves the prior art situation to sintering machine head end ash difficult treatment, this
Invented technology step is simple, and the response rate for iron ore concentrate and nonferrous metals recycling leaded, silver-colored is high, it is achieved that the regeneration of resource,
Turn waste into wealth, a circulating production line can be formed in iron and steel enterprise, save substantial amounts of production cost.
The present invention realizes by the following technical solutions:
A kind of sintering machine head end ash is utilized to reclaim iron ore concentrate and the method for non-ferrous metal, it is characterised in that to comprise the following steps:
Size mixing: sintering machine head end ash and water are put into mixing cirtern and sized mixing, obtain serosity, sintering machine head end ash and water weight
Ratio is 5:12～5:16, and the time of sizing mixing is 30-60 minute, and the rotating speed of mixing cirtern is 280-360rpm；
Gravity separation: serosity is put into spiral chute and carries out gravity separation, the time of gravity separation is 5-15 minute, gravity
Obtain the ferrum chats that iron-holder is 46.03%-48.55% after sorting, obtain the group formed with non-ferrous metal and noble metal simultaneously
Compound；
Low intensity magnetic separation and enrichment: first the ferrum chats that iron-holder is 46.03%-48.55% is passed through 500-800 Gauss low intensity magnetic separation
Machine carries out low intensity magnetic separation, then is enriched with by the ferrum chats after low intensity magnetic separation, and obtaining iron-holder after enrichment is 55.30%-56.51%'s
Iron ore concentrate；
Closed circuit flotation: compositions is carried out closed circuit flotation by flotation device, obtains non-ferrous metal；
It is enriched with again: will be enriched with again through the non-ferrous metal of closed circuit flotation, then obtains lead tolerance and be after enrichment
33.82%-42% and the non-ferrous metal enriched substance that silver content is 2100g/t-3000g/t.
Described size mixing in step, first the water of 1/3rd or 1/4th of sintering machine head end ash total Water is moistened
Wet, obtain wet sintering machine head end ash, more grey for wet sintering machine head end and remaining water is put into mixing cirtern size mixing.
In described closed circuit flotation step, the circulation fluid used in closed circuit floatation process, conduct after closed circuit flotation terminates
The industrial Potassium Chloride Product of raw material production producing potassium chloride is collected.
Described sintering machine head end ash includes following chemical composition:
TFe is 39.75%-41.02%,
K2O is 10.53%-14.26%,
Pb is 0.89%-1.56%,
Ag is 63g/t-105g/t.
The present invention compared with prior art, has an advantage in that:
1, the present invention efficiently solves the prior art situation to sintering machine head end ash difficult treatment, the letter of present invention process step
Single, the response rate for iron ore concentrate and nonferrous metals recycling leaded, silver-colored is high, it is achieved that the regeneration of resource, turns waste into wealth, can be at steel
Ferrum enterprise is formed a circulating production line, saves substantial amounts of production cost.
2, the present invention uses and sintering machine head end ash and water is put into mixing cirtern and sized mixing, and obtains serosity, sintering machine head end ash
Being 5:12～5:16 with water weight ratio, the time of sizing mixing is 30-60 minute, and the rotating speed of mixing cirtern is 280-360rpm, specifically weighs
Amount ratio, size mixing time and rotating speed, can make sintering machine head end ash highly uniform with the serosity that water is formed, and the quantity of particulate matter is few,
It is greatly improved the effect of subsequent reselection equipment.
3, the present invention uses and serosity is put into spiral chute carries out gravity separation, and the time of gravity separation is 5-15 minute,
Obtain the ferrum chats that iron-holder is 46.03%-48.55% after gravity separation, obtain forming with non-ferrous metal and noble metal simultaneously
Compositions；Being conducive to by ferrum chats with non-ferrous metal and the screening of the compositions of noble metal composition and collection, effect is notable.
4, the present invention uses low intensity magnetic separation and enrichment: first the ferrum chats that iron-holder is 46.03%-48.55% is passed through 500-
800 Gauss weak magnetic separators carry out low intensity magnetic separation, then are enriched with by the ferrum chats after low intensity magnetic separation, obtain iron-holder and be after enrichment
The iron ore concentrate of 55.30%-56.51%；The mode using first low intensity magnetic separation to be enriched with again, substantially increases the iron-holder in iron ore concentrate,
Improve organic efficiency.
5, the present invention uses closed circuit flotation: by flotation device, compositions is carried out closed circuit flotation, obtains non-ferrous metal；Pass through
Closed circuit flotation can be found out and return circulation in ore pulp floatation indicators is affected situation, moreover it is possible to investigate sludge or its that ore pulp carries
The accumulation situation of his material affects situation to flotation.
6, the present invention uses and is enriched with: will be enriched with through the non-ferrous metal of closed circuit flotation again, then is contained after enrichment
The non-ferrous metal enriched substance that lead amount is 33.82%-42% and silver content is 2100g/t-3000g/t.Substantially increase coloured gold
Belong to the lead tolerance in enriched substance and silver content, improve organic efficiency.
7, the present invention use described in size mixing in step, first by 1/3rd or 1/4th of sintering machine head end ash total Water
Water carry out moistening, obtain wet sintering machine head end ash, more grey for wet sintering machine head end and remaining water is put into mixing cirtern size mixing.
Sintering machine head end ash first carrying out pretreatment, it is therefore prevented that when sizing mixing, occur that the situation of bulk occurs, serosity is uniform, is greatly improved
The efficiency sized mixing, has saved the time of sizing mixing.
8, during the present invention uses described closed circuit flotation step, the circulation fluid used in closed circuit floatation process, closed circuit floating
Choosing is collected as the industrial Potassium Chloride Product of raw material production producing potassium chloride after terminating, and is effectively saved production industrial
The production cost of Potassium Chloride Product.
9, the method for the present invention has obtained the accreditation of Duo Jia iron and steel enterprise, is particularly suitable for popularizing.
Detailed description of the invention
Embodiment 1:
A kind of utilize sintering machine head end ash to reclaim iron ore concentrate and the method for non-ferrous metal, comprise the following steps:
Size mixing: take sintering machine head end ash butt weight 2.5Kg and water weight 8Kg is put into mixing cirtern and sized mixing, starched
Liquid, the time of sizing mixing is 40 minutes, and the rotating speed of mixing cirtern is 300rpm；
Gravity separation: serosity being put into spiral chute and carries out gravity separation, the time of gravity separation is 10 minutes, and gravity divides
Obtain the ferrum chats that 2.03Kg iron-holder is 46.03% after choosing, obtain what 0.46Kg formed with non-ferrous metal and noble metal simultaneously
Compositions；
Low intensity magnetic separation and enrichment: first the ferrum chats that 2.03Kg iron-holder is 46.03% is carried out by 500 Gauss weak magnetic separators
Low intensity magnetic separation, then the ferrum chats after low intensity magnetic separation is enriched with, obtain the iron ore concentrate that 1.53Kg iron-holder is 55.30% after enrichment；
Closed circuit flotation: the compositions of 0.46Kg is carried out closed circuit flotation by flotation device, obtains non-ferrous metal；
It is enriched with again: will be enriched with again through the non-ferrous metal of closed circuit flotation, then after enrichment to obtain lead tolerance be 33.82%
With the non-ferrous metal enriched substance that silver content is 2100g/t.
Sintering machine head end ash in the present embodiment takes from during certain enterprise of steel mill of the north produces the sintering machine head end ash produced, sintering machine
Head ash includes that following chemical composition: TFe is 39.75%, and K2O is 14.26%, and Pb is 1.56%, and Ag is 105g/t.
Embodiment 2:
A kind of utilize sintering machine head end ash to reclaim iron ore concentrate and the method for non-ferrous metal, comprise the following steps:
Size mixing: take sintering machine head end ash butt weight 5Kg and water weight 12Kg is put into mixing cirtern and sized mixing, starched
Liquid, the time of sizing mixing is 30 minutes, and the rotating speed of mixing cirtern is 280rpm；
Gravity separation: serosity being put into spiral chute and carries out gravity separation, the time of gravity separation is 15 minutes, and gravity divides
Obtain the ferrum chats that 4.02Kg iron-holder is 48.55% after choosing, obtain what 0.93Kg formed with non-ferrous metal and noble metal simultaneously
Compositions；
Low intensity magnetic separation and enrichment: first the ferrum chats that 4.02Kg iron-holder is 48.55% is carried out by 800 Gauss weak magnetic separators
Low intensity magnetic separation, then the ferrum chats after low intensity magnetic separation is enriched with, obtain the iron ore concentrate that 2.86Kg iron-holder is 56.29% after enrichment；
Closed circuit flotation: the compositions of 0.93Kg is carried out closed circuit flotation by flotation device, obtains non-ferrous metal；
It is enriched with again: will be enriched with again through the non-ferrous metal of closed circuit flotation, then obtains 112g lead tolerance and be after enrichment
40% and non-ferrous metal enriched substance that silver content is 2900g/t.
Sintering machine head end ash in the present embodiment takes from during Shandong enterprise of steel mill produces the sintering machine head end ash produced, sintering machine
Head ash includes that following chemical composition: TFe is 41.02%, K2O is 10.53%, and Pb is 0.89%, and Ag is 63g/t.
Embodiment 3:
A kind of utilize sintering machine head end ash to reclaim iron ore concentrate and the method for non-ferrous metal, comprise the following steps:
Size mixing: take sintering machine head end ash butt weight 5Kg and water weight 14Kg is put into mixing cirtern and sized mixing, starched
Liquid, the time of sizing mixing is 60 minutes, and the rotating speed of mixing cirtern is 360rpm；
Gravity separation: serosity being put into spiral chute and carries out gravity separation, the time of gravity separation is 5 minutes, and gravity divides
Obtain the ferrum chats that 4.17Kg iron-holder is 49.03% after choosing, obtain what 1.13Kg formed with non-ferrous metal and noble metal simultaneously
Compositions；
Low intensity magnetic separation and enrichment: first the ferrum chats that 4.17Kg iron-holder is 49.03% is carried out by 700 Gauss weak magnetic separators
Low intensity magnetic separation, then the ferrum chats after low intensity magnetic separation is enriched with, obtain the iron ore concentrate that 2.92Kg iron-holder is 56.51% after enrichment；
Closed circuit flotation: the compositions of 1.13Kg is carried out closed circuit flotation by flotation device, obtains non-ferrous metal；
It is enriched with again: will be enriched with again through the non-ferrous metal of closed circuit flotation, then obtains 123g lead tolerance and be after enrichment
42% and non-ferrous metal enriched substance that silver content is 3000g/t.
Sintering machine head end ash in the present embodiment takes from during Shandong enterprise of steel mill produces the sintering machine head end ash produced, sintering machine
Head ash includes that following chemical composition: TFe is 41.02%, K2O is 10.53%, and Pb is 0.89%, and Ag is 63g/t.
Embodiment 4:
Be with the difference of embodiment 1,2 and 3: described in size mixing in step, first by sintering machine head end ash total Water
The water of 1/3rd carries out moistening, obtains wet sintering machine head end ash, more grey for wet sintering machine head end and remaining water is put into mixing cirtern
Size mixing.
Embodiment 5:
Be with the difference of embodiment 4: described in size mixing in step, first by the four of sintering machine head end ash total Water/
The water of one carries out moistening, obtains wet sintering machine head end ash, more grey for wet sintering machine head end and remaining water is put into mixing cirtern adjusts
Slurry.
Embodiment 6:
It is with the difference of embodiment 1,2,3,4 and 5: in described closed circuit flotation step, institute in closed circuit floatation process
The circulation fluid used, receives as the industrial Potassium Chloride Product of raw material production producing potassium chloride after closed circuit flotation terminates
Collection.
The invention is not restricted to above-described embodiment, all within the spirit and principles in the present invention, any amendment of being made, equivalent
Replacement, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. one kind utilizes sintering machine head end ash to reclaim iron ore concentrate and the method for non-ferrous metal, it is characterised in that comprise the following steps:
Size mixing: sintering machine head end ash and water being put into mixing cirtern and sized mixing, obtains serosity, sintering machine head end ash with water weight ratio is
5:12～5:16, the time of sizing mixing is 30-60 minute, and the rotating speed of mixing cirtern is 280-360rpm；
Gravity separation: serosity is put into spiral chute and carries out gravity separation, the time of gravity separation is 5-15 minute, gravity separation
After obtain the ferrum chats that iron-holder is 46.03%-48.55%, obtain the compositions formed with non-ferrous metal and noble metal simultaneously；
Low intensity magnetic separation and enrichment: first the ferrum chats that iron-holder is 46.03%-48.55% is entered by 500-800 Gauss weak magnetic separator
Row low intensity magnetic separation, then the ferrum chats after low intensity magnetic separation is enriched with, obtain the Haematite that iron-holder is 55.30%-56.51% after enrichment
Ore deposit；
Closed circuit flotation: compositions is carried out closed circuit flotation by flotation device, obtains non-ferrous metal；
It is enriched with again: will be enriched with again through the non-ferrous metal of closed circuit flotation, then after enrichment to obtain lead tolerance be 33.82%-
42% and non-ferrous metal enriched substance that silver content is 2100g/t-3000g/t.
The most according to claim 1 a kind of sintering machine head end ash is utilized to reclaim iron ore concentrate and the method for non-ferrous metal, its feature
Be: described in size mixing in step, first the water of 1/3rd or 1/4th of sintering machine head end ash total Water is carried out moistening,
To wet sintering machine head end ash, more grey for wet sintering machine head end and remaining water is put into mixing cirtern size mixing.
The most according to claim 1 a kind of sintering machine head end ash is utilized to reclaim iron ore concentrate and the method for non-ferrous metal, its feature
It is: described sintering machine head end ash includes following chemical composition:
TFe is 39.75%-41.02%,
K2O is 10.53%-14.26%,
Pb is 0.89%-1.56%,
Ag is 63g/t-105g/t.
The most according to claim 1 a kind of sintering machine head end ash is utilized to reclaim iron ore concentrate and the method for non-ferrous metal, its feature
It is: in described closed circuit flotation step, the circulation fluid used in closed circuit floatation process, as producing after closed circuit flotation terminates
The industrial Potassium Chloride Product of raw material production of potassium chloride is collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791064.7A CN106311456A (en) | 2016-08-31 | 2016-08-31 | Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791064.7A CN106311456A (en) | 2016-08-31 | 2016-08-31 | Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106311456A true CN106311456A (en) | 2017-01-11 |
Family
ID=57789186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791064.7A Pending CN106311456A (en) | 2016-08-31 | 2016-08-31 | Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106311456A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583030A (en) * | 2016-11-24 | 2017-04-26 | 云南昆欧科技有限责任公司 | Treatment method for sintering machine head dust recycled by iron and steel enterprise |
| CN107626711A (en) * | 2017-08-25 | 2018-01-26 | 鞍钢股份有限公司 | A kind of recycling processing method of dedusting ash containing potassium |
| CN111250260A (en) * | 2020-01-15 | 2020-06-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for comprehensively utilizing sintering machine head ash |
| CN112808450A (en) * | 2020-12-29 | 2021-05-18 | 莱芜钢铁集团泰东实业有限公司 | Device and method for enriching valuable elements in sintering machine head ash |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU441035A1 (en) * | 1969-04-18 | 1974-08-30 | Украинский научно-исследовательский углехимический институт | The method of obtaining coal charge for coking |
| JP2003287217A (en) * | 2002-03-27 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | Method for improving characteristic of burned residue produced at burning plant and method for treating the residue |
| CN1908207A (en) * | 2006-08-18 | 2007-02-07 | 昆明理工大学 | Method of comprehensive utilizing iron making blast furnace dust resources |
| CN101723713A (en) * | 2009-12-10 | 2010-06-09 | 湖南华菱湘潭钢铁有限公司 | Overall treatment method of steel works sintering dust |
| CN101723410A (en) * | 2009-12-10 | 2010-06-09 | 湖南华菱湘潭钢铁有限公司 | Method for recovering potassium elements from sintering ashes of steel and iron works and preparing potassium sulfate |
| CN101733193A (en) * | 2009-12-10 | 2010-06-16 | 湖南华菱湘潭钢铁有限公司 | Method for preparing highly dispersed sintered ash suspension |
| CN102295301A (en) * | 2011-06-13 | 2011-12-28 | 攀枝花火凤凰再生资源回收利用有限责任公司 | Resource utilization method of sintering dust and fume |
| WO2012062131A1 (en) * | 2010-11-12 | 2012-05-18 | 山东乾舜矿冶科技股份有限公司 | Method of recovering and exploiting blast furnace dust from iron-smelting |
| CN102747228A (en) * | 2012-07-18 | 2012-10-24 | 云南昆欧科技有限责任公司 | Method for recycling valuable elements from blast furnace gas mud |
| AU2012290345A8 (en) * | 2011-08-01 | 2014-03-27 | Superior Mineral Resources LLC | Ore beneficiation |
| CN104388687A (en) * | 2014-12-12 | 2015-03-04 | 芜湖新兴铸管有限责任公司 | Comprehensive recycling utilization method for sintering electric dust removal ash |
| CN104874583A (en) * | 2015-05-07 | 2015-09-02 | 湖南华菱湘潭钢铁有限公司 | Comprehensive treatment method of dry reclaimed dust of blast furnace |
-
2016
- 2016-08-31 CN CN201610791064.7A patent/CN106311456A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU441035A1 (en) * | 1969-04-18 | 1974-08-30 | Украинский научно-исследовательский углехимический институт | The method of obtaining coal charge for coking |
| JP2003287217A (en) * | 2002-03-27 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | Method for improving characteristic of burned residue produced at burning plant and method for treating the residue |
| CN1908207A (en) * | 2006-08-18 | 2007-02-07 | 昆明理工大学 | Method of comprehensive utilizing iron making blast furnace dust resources |
| CN101723713A (en) * | 2009-12-10 | 2010-06-09 | 湖南华菱湘潭钢铁有限公司 | Overall treatment method of steel works sintering dust |
| CN101723410A (en) * | 2009-12-10 | 2010-06-09 | 湖南华菱湘潭钢铁有限公司 | Method for recovering potassium elements from sintering ashes of steel and iron works and preparing potassium sulfate |
| CN101733193A (en) * | 2009-12-10 | 2010-06-16 | 湖南华菱湘潭钢铁有限公司 | Method for preparing highly dispersed sintered ash suspension |
| WO2012062131A1 (en) * | 2010-11-12 | 2012-05-18 | 山东乾舜矿冶科技股份有限公司 | Method of recovering and exploiting blast furnace dust from iron-smelting |
| CN102295301A (en) * | 2011-06-13 | 2011-12-28 | 攀枝花火凤凰再生资源回收利用有限责任公司 | Resource utilization method of sintering dust and fume |
| AU2012290345A8 (en) * | 2011-08-01 | 2014-03-27 | Superior Mineral Resources LLC | Ore beneficiation |
| CN102747228A (en) * | 2012-07-18 | 2012-10-24 | 云南昆欧科技有限责任公司 | Method for recycling valuable elements from blast furnace gas mud |
| CN104388687A (en) * | 2014-12-12 | 2015-03-04 | 芜湖新兴铸管有限责任公司 | Comprehensive recycling utilization method for sintering electric dust removal ash |
| CN104874583A (en) * | 2015-05-07 | 2015-09-02 | 湖南华菱湘潭钢铁有限公司 | Comprehensive treatment method of dry reclaimed dust of blast furnace |
Non-Patent Citations (2)
| Title |
|---|
| 陈旭初: "《棉织工艺设计》", 30 September 1975, 纺织工业出版社 * |
| 马芹: "《织造工艺与质量控制》", 30 April 2008, 中国纺织出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583030A (en) * | 2016-11-24 | 2017-04-26 | 云南昆欧科技有限责任公司 | Treatment method for sintering machine head dust recycled by iron and steel enterprise |
| CN107626711A (en) * | 2017-08-25 | 2018-01-26 | 鞍钢股份有限公司 | A kind of recycling processing method of dedusting ash containing potassium |
| CN111250260A (en) * | 2020-01-15 | 2020-06-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for comprehensively utilizing sintering machine head ash |
| CN112808450A (en) * | 2020-12-29 | 2021-05-18 | 莱芜钢铁集团泰东实业有限公司 | Device and method for enriching valuable elements in sintering machine head ash |
| CN112808450B (en) * | 2020-12-29 | 2022-03-25 | 莱芜钢铁集团泰东实业有限公司 | Device and method for enriching valuable elements in sintering machine head ash |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101723713B (en) | Overall treatment method of steel works sintering dust | |
| CN106540800A (en) | A kind of method for reclaiming gold and microfine antimony mineral in flotation tailing containing Sb-Au ore | |
| CN102363218B (en) | Method for producing copper-powder-containing iron by reducing copper-containing furnace cinders directly | |
| CN106311456A (en) | Method for recovering iron concentrates and non-ferrous metals by virtue of head ash of sintering machine | |
| CN203728902U (en) | Integrated solid waste gas ash and zinc-containing ferrovanadium slag recovery device | |
| CN109174442B (en) | Physical beneficiation removal method for heavy metals in copper tailings | |
| CN102703714A (en) | Method for preparing iron powder and recovering nonferrous metal from blast furnace iron making smoke dust | |
| CN110369451A (en) | A kind of method that sintering machine head end ash is utilized with incineration of refuse flyash coordination with the synthesis | |
| CN108380360B (en) | Production process of steel slag and iron fine powder | |
| CN102127653A (en) | Process for extracting gold by modified pressure oxidation-cyaniding | |
| CN111085336A (en) | Method for recovering iron raw material from rotary kiln slag and harmlessly converting tail slag | |
| CN104028366B (en) | A kind of recoverying and utilizing method of dedusting ash or gas ash | |
| CN102747228A (en) | Method for recycling valuable elements from blast furnace gas mud | |
| CN110629028A (en) | Process for treating sludge containing copper and nickel by combination method | |
| CN101824544B (en) | Comprehensive recovery method for smelted lead waste slag of blast furnace | |
| CN104028367A (en) | Process for recycling sulfur and iron resources in copper and sulfur tailings | |
| CN107149979A (en) | A kind of method that iron is reclaimed in the revolution kiln slag from zinc hydrometallurgy | |
| CN107470016B (en) | A method of chemical industry iron powder is prepared by raw material of zinc kiln slag | |
| CN113083510A (en) | Method for efficiently recycling tantalum, niobium and tin from lepidolite ore | |
| CN102912116A (en) | Smelting residue flash magnetizing roast comprehensive recycling technology | |
| CN110369119B (en) | Comprehensive recovery process for iron, carbon and zinc in steel mill dust waste | |
| CN106583030A (en) | Treatment method for sintering machine head dust recycled by iron and steel enterprise | |
| CN108031546B (en) | A kind of method of red mud recycling iron | |
| CN113399110A (en) | Method for recycling iron-containing zinc-containing solid waste | |
| CN111495582B (en) | Method for preparing dense medium powder by using lead-zinc smelting water-quenched slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190604 Address after: 650200 Room 501, Room 04, Unit 1, 5th Floor, 052 Xingdu Headquarters Base, Guandu District, Kunming City, Yunnan Province Applicant after: KUNMING HEFENG ENVIRONMENTAL INSTITUTE Address before: 650021 Room 27, Building 2, Building 2, Building 8, No. 86 Yuantong North Road, Wuhua District, Kunming City, Yunnan Province Applicant before: Jiang Penggang |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |