CN111203310A - Steel slag and slag mixed treatment method - Google Patents
Steel slag and slag mixed treatment method Download PDFInfo
- Publication number
- CN111203310A CN111203310A CN202010139165.2A CN202010139165A CN111203310A CN 111203310 A CN111203310 A CN 111203310A CN 202010139165 A CN202010139165 A CN 202010139165A CN 111203310 A CN111203310 A CN 111203310A
- Authority
- CN
- China
- Prior art keywords
- slag
- steel slag
- steel
- mixed material
- grinding
- 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
- 239000002893 slag Substances 0.000 title claims abstract description 146
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title description 15
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000000227 grinding Methods 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000003672 processing method Methods 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 239000008187 granular material Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010409 ironing Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The application provides a steel slag and slag mixed processing method, which comprises the following steps: s1, mixing the steel slag and the slag to form a mixed material, wherein the mixed material comprises 0-30% of steel slag and 70-100% of slag according to mass percent, and the sum of the steel slag and the slag is 100%; s2, grinding the mixed material; and S3, judging whether the ground mixed material is fine powder, if so, collecting and transporting the mixed material to a steel slag warehouse by a dust collector, and if not, grinding again. In the application, the steel slag and the slag are mixed in proportion, so that the product reaches the national standard of S95 grade powder, the components are uniform, the competitiveness of the product is enhanced, and the benefit is improved; the same steel slag vertical mill is adopted to grind the slag powder and the steel slag powder respectively, so that the steel slag and the slag which are difficult to treat in a steel mill are reasonably and effectively utilized, the resource is recycled, most of equipment is shared, the utilization rate of the equipment and the resource is greatly improved, and the investment cost of engineering project investment and product manufacturing cost is reduced.
Description
Technical Field
The application relates to the technical field of steel slag and slag treatment, in particular to a steel slag and slag mixed treatment method.
Background
The steel slag is waste slag generated in the steel-making process, belongs to an inert material, is not easy to grind and has low utilization rate. Because of low activity, high preparation cost and the like, the popularization and application of the steel slag powder are restricted. Slag is a by-product in a blast furnace iron making process. In the iron-making process, iron oxide is reduced into metallic iron at high temperature, impurities in iron ore such as silicon dioxide and aluminum oxide react with lime and the like to generate a melt with silicate and aluminosilicate as main components, and the melt is quenched to form loose and porous granules. The utilization rate of the slag and the steel slag is greatly different from that of the developed countries. The important reasons are that the blast furnace slag has the defects of easy carbonization and sanding, poor wear resistance and the like, and the steel bars in the doped concrete are easy to rust and corrode; the steel slag has poor activity and is used as a cement admixture, and the addition proportion of the steel slag is not more than 10 percent. The quality of the cement which is excessively added is affected by the steel slag powder. The above problems can be solved by the steel slag powder obtained by mixing the slag powder and the steel slag powder in a ratio.
In the process of producing the steel slag powder, the traditional technology at home and abroad is to grind the slag powder and other equipment ground steel slag powder by a vertical mill, and mix and stir the slag powder and the steel slag powder which are ground separately by a spiral stirrer to produce the steel slag powder. The product has poor performance, uneven components, low quality level, high investment cost, high operating cost and the like.
Disclosure of Invention
The application provides a steel slag and slag mixed treatment method, which aims to solve the problems of poor product performance, uneven components, low quality level, high investment cost and high operating cost in the prior art.
The application provides a steel slag and slag mixed processing method, which comprises the following steps:
s1, mixing the steel slag and the slag to form a mixed material;
s2, grinding the mixed material;
and S3, judging whether the ground mixed material is fine powder, if so, collecting and transporting the mixed material to a steel slag warehouse by a dust collector, and if not, grinding again.
Further, the mixed material comprises, by mass, 0-30% of the steel slag and 70-100% of the slag, and the sum of the steel slag and the slag is 100%.
Further, the step 3 of collecting and transporting the steel slag to a steel slag warehouse by a dust collector specifically comprises the following steps: and after the fine powder is brought into the dust collector by gas and collected, the fine powder is conveyed to a hoister of a steel slag warehouse through an air conveying chute to be warehoused.
Further, the regrinding in the step S3 includes: the unqualified coarse powder returns to a grinding disc in the steel slag vertical mill to be ground, and large granular materials which are difficult to be ground enter an external circulation system through a slag discharging port on the steel slag vertical mill, and are ground after iron is removed.
Furthermore, a sampler is adopted for sampling before warehousing, and sample preparation and analysis are carried out.
Further, the step 2 specifically comprises: the mixed material is conveyed to a feeding belt conveyor through a metering device and then conveyed to a steel slag vertical mill through the feeding belt conveyor, the steel slag is fed into the steel slag vertical mill through an air locking valve, and the mixed material moves from the center to the edge along with the rotation of a grinding disc and is ground by being extruded by a grinding roller.
Further, the large granular materials difficult to grind enter an external circulation system through a slag discharge port on the steel slag vertical mill, and the external circulation system is specifically ground after iron removal: difficult grinding large granule material passes through on the slag spitting mouth of slag vertical mill falls into circulating belt conveyor, and the de-ironing separator sets up on circulating belt conveyor, carries out the deironing and collects difficult grinding large granule material, and difficult grinding large granule material after the deironing is carried to slag vertical mill by circulation lifting machine once more and is ground.
Furthermore, the granularity of the steel slag feeding particles is less than 5 mm.
In the embodiment of the application, by adopting the technical scheme, the steel slag and the slag are mixed in proportion, so that the product reaches the national standard of S95 grade powder, the components are uniform, the product performance is improved, the competitiveness of the product is enhanced, and the benefit is improved; the same steel slag vertical mill is adopted to grind the slag powder and the steel slag powder respectively, so that the steel slag and the slag which are difficult to treat in a steel mill are reasonably and effectively utilized, the resource is recycled, most of equipment is shared, the utilization rate of the equipment and the resource is greatly improved, and the investment cost of engineering project investment and product manufacturing cost is reduced.
The granularity of steel slag feeding particles is less than 5 mm, so that the grinding time of materials can be reduced, and the energy consumption and the abrasion of equipment can be further reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart illustrating a method for processing mixed steel slag and slag according to an embodiment of the present disclosure;
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment provides a method for mixing and processing steel slag and slag, which includes:
s1, mixing the steel slag and the slag to form a mixed material;
the mixed material comprises 0-30% of steel slag and 70-100% of slag according to the mass percentage, and the sum of the mass percentages of the steel slag and the slag is 100%. The granularity of the steel slag feeding particles is less than 5 mm.
S2, grinding the mixed material;
feeding the mixed material into a steel slag vertical mill for milling, and specifically comprising the following steps:
the mixed material is conveyed to a feeding belt conveyor through a metering device, then conveyed to a steel slag vertical mill through the feeding belt conveyor, the steel slag is fed into the steel slag vertical mill through an air locking valve, and the material moves from the center to the edge along with the rotation of a grinding disc and is simultaneously extruded by a grinding roller to be ground.
And S3, judging whether the ground mixed material is fine powder, if so, collecting and transporting the mixed material to a steel slag warehouse by a dust collector, and if not, grinding again.
The fine powder is conveyed to a lifter of the steel slag warehouse for warehousing through an air conveying chute after being brought into the dust collector by gas and collected. And before warehousing, sampling by adopting a sampler and carrying out sample preparation analysis.
The regrinding comprises the following steps: the unqualified coarse powder returns to a grinding disc in the steel slag vertical mill for grinding, and large granular materials which are difficult to grind enter an external circulation system through a slag discharging port on the steel slag vertical mill, and are ground after iron removal.
The large granular materials difficult to grind enter an external circulation system through a slag discharge port on the steel slag vertical mill, and are fed into the steel slag vertical mill for grinding after iron removal. Specifically, difficult grinding large granule material falls into circulating belt conveyor through spitting the sediment mouth on, and the de-ironing separator sets up on circulating belt conveyor, carries out the deironing and collects difficult grinding large granule material, and difficult grinding large granule material after the deironing is carried to the slag by circulation lifting machine once more and is ground.
In the embodiment of the application, by adopting the technical scheme, the steel slag and the slag are mixed in proportion, so that the product reaches the national standard of S95 grade powder, the components are uniform, the product performance is improved, the competitiveness of the product is enhanced, and the benefit is improved; the same steel slag vertical mill is adopted to grind the slag powder and the steel slag powder respectively, so that the steel slag and the slag which are difficult to treat in a steel mill are reasonably and effectively utilized, the resource is recycled, most of equipment is shared, the utilization rate of the equipment and the resource is greatly improved, and the investment cost of engineering project investment and product manufacturing cost is reduced.
The granularity of steel slag feeding particles is less than 5 mm, so that the grinding time of materials can be reduced, and the energy consumption and the abrasion of equipment can be further reduced; the materials are different in grindability, and the mixed grinding can be effectively carried out by adopting the equipment, and the annual sales volume is 20 ten thousand tons when the mixed grinding is used in a safe and rich iron and steel plant; the material configuration adopts various air distribution valves for adjustment, and a central control system is adopted for controlling the air speed, so that the configuration accuracy and the automation degree are high; a grinding aid system is added before grinding, so that the stability of equipment and the product strength are effectively ensured by adding the grinding aid.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. The mixed processing method of the steel slag and the slag is characterized by comprising the following steps:
s1, mixing the steel slag and the slag to form a mixed material;
s2, grinding the mixed material;
and S3, judging whether the ground mixed material is fine powder, if so, collecting and transporting the mixed material to a steel slag warehouse by a dust collector, and if not, grinding again.
2. The steel slag and slag mixing processing method according to claim 1, wherein the mixed material comprises 0-30% of the steel slag and 70-100% of the slag by mass, and the sum of the steel slag and the slag by mass is 100%.
3. The steel slag and slag mixing processing method according to claim 1 or 2, wherein the collecting and transporting by the dust collector to the steel slag warehouse in the step 3 is specifically: and after the fine powder is brought into the dust collector by gas and collected, the fine powder is conveyed to a hoister of a steel slag warehouse through an air conveying chute to be warehoused.
4. The steel slag and slag mixing processing method according to claim 3, wherein the regrinding in the step S3 includes: the unqualified coarse powder returns to a grinding disc in the steel slag vertical mill to be ground, and large granular materials which are difficult to be ground enter an external circulation system through a slag discharging port on the steel slag vertical mill, and are ground after iron is removed.
5. The steel slag and slag mixing processing method according to claim 3, wherein a sampler is further used for sampling and sample preparation analysis before warehousing.
6. The steel slag and slag mixing processing method according to claim 1, wherein the step 2 specifically comprises: the mixed material is conveyed to a feeding belt conveyor through a metering device and then conveyed to a steel slag vertical mill through the feeding belt conveyor, the steel slag is fed into the steel slag vertical mill through an air locking valve, and the mixed material moves from the center to the edge along with the rotation of a grinding disc and is ground by being extruded by a grinding roller.
7. The steel slag and slag mixing processing method of claim 4, wherein the large particle materials difficult to grind enter an external circulation system through a slag spitting opening on the steel slag vertical mill, and the iron removal and then grinding are specifically as follows: difficult grinding large granule material passes through on the slag spitting mouth of slag vertical mill falls into circulating belt conveyor, and the de-ironing separator sets up on circulating belt conveyor, carries out the deironing and collects difficult grinding large granule material, and difficult grinding large granule material after the deironing is carried to slag vertical mill by circulation lifting machine once more and is ground.
8. The steel slag and slag mixing processing method of claim 1, wherein the particle size of the steel slag feed particles is less than 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139165.2A CN111203310A (en) | 2020-03-03 | 2020-03-03 | Steel slag and slag mixed treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139165.2A CN111203310A (en) | 2020-03-03 | 2020-03-03 | Steel slag and slag mixed treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111203310A true CN111203310A (en) | 2020-05-29 |
Family
ID=70781892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010139165.2A Pending CN111203310A (en) | 2020-03-03 | 2020-03-03 | Steel slag and slag mixed treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111203310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226044A (en) * | 2021-11-17 | 2022-03-25 | 湖南信港实业有限公司 | Steel slag iron removal process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834987A1 (en) * | 1978-08-10 | 1980-02-14 | Orenstein & Koppel Ag | Mobile crushing plant for open cast mine - has tiltable feed conveyor belt with hopper assembly on its inlet end and trough conveyor at discharge |
| CN102179272A (en) * | 2011-01-07 | 2011-09-14 | 重庆京庆重型机械有限公司 | Final grinding system of rolling machine in steel slag and mineral slag micropowder production line |
| CN102531418A (en) * | 2011-12-30 | 2012-07-04 | 中信重工机械股份有限公司 | Steel slag grinding production technology and system |
| CN104291714A (en) * | 2014-06-13 | 2015-01-21 | 江苏融达新材料股份有限公司 | Production method for grinding steel-iron slag powder, mineral slag powder and steel slag powder by using vertical mill |
| CN104402262A (en) * | 2014-11-27 | 2015-03-11 | 广西鱼峰水泥股份有限公司 | Production process for S75-grade ground iron steel slag |
| CN104529213A (en) * | 2014-12-17 | 2015-04-22 | 河北金泰成建材股份有限公司 | Method for preparing high-class concrete admixture with composite powder of steel slag and mineral slag |
| EP3196176A1 (en) * | 2014-09-19 | 2017-07-26 | Rolth Do Brasil Indústria, Comércio E Serviços Ltd | Process and system for eliminating the potential for ld and eaf steel slag expansion |
| CN109046561A (en) * | 2018-09-27 | 2018-12-21 | 天津水泥工业设计研究院有限公司 | A kind of steel slag final grinding system of roll squeezer |
| CN110694772A (en) * | 2019-10-21 | 2020-01-17 | 大峘集团有限公司 | Production process of slag and steel slag micropowder |
-
2020
- 2020-03-03 CN CN202010139165.2A patent/CN111203310A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834987A1 (en) * | 1978-08-10 | 1980-02-14 | Orenstein & Koppel Ag | Mobile crushing plant for open cast mine - has tiltable feed conveyor belt with hopper assembly on its inlet end and trough conveyor at discharge |
| CN102179272A (en) * | 2011-01-07 | 2011-09-14 | 重庆京庆重型机械有限公司 | Final grinding system of rolling machine in steel slag and mineral slag micropowder production line |
| CN102531418A (en) * | 2011-12-30 | 2012-07-04 | 中信重工机械股份有限公司 | Steel slag grinding production technology and system |
| CN104291714A (en) * | 2014-06-13 | 2015-01-21 | 江苏融达新材料股份有限公司 | Production method for grinding steel-iron slag powder, mineral slag powder and steel slag powder by using vertical mill |
| EP3196176A1 (en) * | 2014-09-19 | 2017-07-26 | Rolth Do Brasil Indústria, Comércio E Serviços Ltd | Process and system for eliminating the potential for ld and eaf steel slag expansion |
| CN104402262A (en) * | 2014-11-27 | 2015-03-11 | 广西鱼峰水泥股份有限公司 | Production process for S75-grade ground iron steel slag |
| CN104529213A (en) * | 2014-12-17 | 2015-04-22 | 河北金泰成建材股份有限公司 | Method for preparing high-class concrete admixture with composite powder of steel slag and mineral slag |
| CN109046561A (en) * | 2018-09-27 | 2018-12-21 | 天津水泥工业设计研究院有限公司 | A kind of steel slag final grinding system of roll squeezer |
| CN110694772A (en) * | 2019-10-21 | 2020-01-17 | 大峘集团有限公司 | Production process of slag and steel slag micropowder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226044A (en) * | 2021-11-17 | 2022-03-25 | 湖南信港实业有限公司 | Steel slag iron removal process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111167586A (en) | Superfine steel slag treatment system and method | |
| CN105256130B (en) | A kind of method of the Titanium Dioxide Produced by Chloride Procedure chlorination furnace blowout material reclaimed containing fine rutile | |
| CN112723761B (en) | Full-solid waste modifier for reduction and reconstruction of molten steel slag, modification process and product | |
| CN106219550A (en) | A kind of method utilizing industrial waste SILICA FUME to prepare industrial silicon and production system | |
| CN101195167B (en) | Method for purifying powdered iron from steel-smelting sewage sludge coarse grain | |
| CN111747669A (en) | Steel slag multistage crushing and grinding ultrafine powder preparation device and method | |
| CN108411105B (en) | A kind of method of multisystem cooperative disposal ion dust mud contaning | |
| CN101962717A (en) | Raw material treatment and pelletizing system process for rotary hearth furnace | |
| CN105039681B (en) | A kind of manufacture method of alkaline magnesium-rich pellet nodulizing | |
| CN111203310A (en) | Steel slag and slag mixed treatment method | |
| CN112934378A (en) | Preparation system for producing building material products by gradient utilization of hot stuffy steel slag | |
| CN113981216B (en) | Treatment method of undersize powder of metallized pellet of rotary hearth furnace | |
| CN110218865A (en) | A kind of processing method of ferrochrome mineral hot furnace dedusting ash | |
| CN211755848U (en) | Superfine steel slag treatment system | |
| CN114100847A (en) | Aluminum ash treatment method | |
| CN110606674A (en) | Final grinding method of slag and steel slag composite micro powder roller press | |
| CN112439764B (en) | Method for treating waste alumina in anthraquinone process hydrogen peroxide production process | |
| CN111074040B (en) | Method for producing special steel refining slag by using stone waste slurry as raw material | |
| CN119265407B (en) | Magnetic separation powder back sintering treatment method | |
| CN113528813A (en) | Preparation method of iron powder and vanadium-rich titanium material | |
| CN115305352B (en) | Granulation treatment method for sintering electric precipitation dust in sintering ingredients | |
| CN212560011U (en) | Multistage broken ultrafine powder preparation facilities that grinds of slag | |
| CN221515282U (en) | Rotary kiln slag treatment system | |
| CN115584239A (en) | Method for producing non-metal abrasive by using industrial waste residues | |
| CN117902606A (en) | Process and system for preparing high-grade limestone powder by utilizing low-grade limestone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |