CN109534708A - Concrete admixture preparation method - Google Patents
Concrete admixture preparation method Download PDFInfo
- Publication number
- CN109534708A CN109534708A CN201811554949.0A CN201811554949A CN109534708A CN 109534708 A CN109534708 A CN 109534708A CN 201811554949 A CN201811554949 A CN 201811554949A CN 109534708 A CN109534708 A CN 109534708A
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- titanium blast
- furnace slag
- concrete admixture
- slag
- 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.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Furnace Details (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of concrete admixture preparation methods, it is related to cement field, the technical issues of solution, is to provide a kind of using high-titanium blast furnace slag and converter slag as the concrete admixture preparation method of raw material, the technical solution adopted is that: concrete admixture preparation method, include: that high-titanium blast furnace slag and converter slag are crushed respectively, are sieved, magnetic separation by S1, obtains high-titanium blast furnace slag powder and converter slag powder；S2 mixes high-titanium blast furnace slag powder with converter slag powder, and mixture is made；Mixture is carried out grinding by S3, and concrete admixture is made.The present invention is using high-titanium blast furnace slag as primary raw material, by with addition of converter slag, supplement tricalcium silicate, dicalcium silicate isoreactivity ingredient, free calcium oxide in steel slag is diluted and is dispersed, eliminate the local expansion issues of free calcium oxide, the activity of high-titanium blast furnace slag is promoted, the gelling property of high-titanium blast furnace slag and converter slag in concrete is promoted, concrete admixture is made.
Description
Technical field
It is specifically a kind of to be mixed using high-titanium blast furnace slag and converter slag as the concrete of raw material the present invention relates to cement field
Close the preparation method of material.
Background technique
The activity of high-titanium blast furnace slag is not high, although has generally 55% or so, when as concrete admixture preferable
Workability, but there is obvious gap compared to flyash in terms of activity, it can not be directly as concrete admixture.In it
The reason is that: high-titanium blast furnace slag silicic acid calcium content is lower, affects its active performance.
On the other hand, it is required according to process for making, needs that the slag making materials such as a certain amount of lime are added in fusion process, most
Contain the silicate of gelling property in the converter slag generated eventually.Tricalcium silicate (C in converter slag3S) content is 3~5%,
Dicalcium silicate (C2S) content is about 40%, therefore converter slag activity with higher, can reach 80%.
High-titanium blast furnace slag and converter slag purposes are few, often be used as waste residue, but its there are Hubeiwans, how to utilize
The Hubeiwan of high-titanium blast furnace slag and converter slag, is turned waste into wealth, its purposes is expanded, such as is prepared as cement blending
Material is that iron and steel enterprise makes full use of mineral resources, realizes the requirement for developing Green Development.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of using high-titanium blast furnace slag and converter slag as the mixed of raw material
Solidifying soil blends preparation method for material.
The technical solution adopted by the present invention is that: concrete admixture preparation method, comprising the following steps:
S1. high-titanium blast furnace slag being crushed, sieved, obtaining partial size after magnetic separation is 0~15mm, metal Ferrum content < 1%
High-titanium blast furnace slag powder；It is 0~15mm, metal Ferrum content that converter slag, which is crushed, is sieved, obtains partial size after magnetic separation
< 1% converter slag powder；
S2. high-titanium blast furnace slag powder is mixed with converter slag powder, mixture is made, wherein high-titanium blast furnace slag powder
The quality of material accounts for the 50~90% of mixture quality；
S3. the moisture for controlling mixture is no more than 3%, then mixture is carried out grinding, and concrete admixture is made.
It is specific: in S3 step, compound powder to be milled to fineness and reaches 325 mesh.
It is specific: in S3 step, water demand ratio≤105 of grinding material, free calcium oxide content≤1.0%, loss on ignition≤
8.0%.
The beneficial effects of the present invention are: concrete admixture preparation method passes through using high-titanium blast furnace slag as primary raw material
With addition of suitable converter slag, tricalcium silicate, dicalcium silicate isoreactivity ingredient are supplemented, while being played to free calcium oxide in steel slag
Dilution and dispersion, so that the local expansion issues of free calcium oxide are eliminated, so that the activity of high-titanium blast furnace slag is promoted, to mention
The gelling property of titanium blast furnace slag and converter slag in concrete is increased, so that preferable concrete admixture be made.This hair
The bright utilization for preferably realizing waste residue, has expanded the purposes of high-titanium blast furnace slag and converter slag, meets green economy development
Theory.
Specific embodiment
The invention will be further described below.
Concrete admixture preparation method of the present invention, comprising the following steps:
S1. high-titanium blast furnace slag being crushed, sieved, obtaining partial size after magnetic separation is 0~15mm, metal Ferrum content < 1%
High-titanium blast furnace slag powder；It is 0~15mm, metal Ferrum content that converter slag, which is crushed, is sieved, obtains partial size after magnetic separation
< 1% converter slag powder.
S2. high-titanium blast furnace slag powder is mixed with converter slag powder, mixture is made, wherein high-titanium blast furnace slag powder
The quality of material accounts for the 50~90% of the quality of mixture, and surplus is the mixing of converter slag powder.
S3. the moisture for controlling mixture is no more than 3%, then mixture is carried out grinding, and concrete admixture is made.Control
The moisture of mixture is no more than 3%, is easy for carrying out grinding by ball mill.The suction powder obtained after grinding is that concrete blends
Material.For example, being sieved after powder by 325 meshes, shining lower material is concrete admixture.
Embodiment
Concrete admixture preparation method, firstly, will be crushed respectively, be sieved by high-titanium blast furnace slag and converter slag
Divide, obtain the high filter residue powder of high titania type and converter slag powder that partial size is 0~15mm, metal Ferrum content < 1% after magnetic separation.Its
It is secondary, the high filter residue powder of high titania type and converter slag powder are mixed, mixture is made, wherein the quality of high-titanium blast furnace slag accounts for mixed
Close the 50% of material quality.Again, the moisture of control control mixture is no more than 3%, mixture is carried out grinding, after grinding
Fineness reaches 325 mesh and obtains concrete admixture.Through detecting, the water demand ratio of the concrete admixture is 102, free oxygen
Change calcium content be 0.1%, loss on ignition 5.9%.
Claims (3)
1. concrete admixture preparation method, it is characterised in that: the following steps are included:
S1. high-titanium blast furnace slag be crushed, sieved, obtaining the height that partial size is 0~15mm, metal Ferrum content < 1% after magnetic separation
Titanium blast furnace slag powder；It is 0~15mm, metal Ferrum content < 1% that converter slag, which is crushed, is sieved, obtains partial size after magnetic separation
Converter slag powder；
S2. high-titanium blast furnace slag powder is mixed with converter slag powder, mixture is made, wherein high-titanium blast furnace slag powder
Quality accounts for the 50~90% of mixture quality；
S3. the moisture for controlling mixture is no more than 3%, then mixture is carried out grinding, and concrete admixture is made.
2. concrete admixture preparation method as described in claim 1, it is characterised in that: in S3 step, by mixture grinding
Reach 325 mesh to fineness.
3. concrete admixture preparation method as claimed in claim 1 or 2, it is characterised in that: in S3 step, the need of grinding material
Water ratio≤105, free calcium oxide content≤1.0%, loss on ignition≤8.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554949.0A CN109534708B (en) | 2018-12-19 | 2018-12-19 | Preparation method of concrete admixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554949.0A CN109534708B (en) | 2018-12-19 | 2018-12-19 | Preparation method of concrete admixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109534708A true CN109534708A (en) | 2019-03-29 |
| CN109534708B CN109534708B (en) | 2022-04-08 |
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ID=65855709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554949.0A Active CN109534708B (en) | 2018-12-19 | 2018-12-19 | Preparation method of concrete admixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109534708B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698100A (en) * | 2019-11-12 | 2020-01-17 | 攀枝花环业冶金渣开发有限责任公司 | Method for using slag of slag steel iron electric furnace as concrete admixture |
| CN110947515A (en) * | 2019-12-17 | 2020-04-03 | 攀枝花钢城集团有限公司 | Method for preparing fine-fraction steel slag used as admixture of cement and concrete |
| CN115368036A (en) * | 2022-08-30 | 2022-11-22 | 攀枝花钢城集团有限公司 | Doping material for reducing water-soluble hexavalent chromium of cement and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343174A (en) * | 2013-07-11 | 2013-10-09 | 东北大学 | Method for separating titanium, iron, vanadium and calcium from mixed titaniferous slag |
| CN104446021A (en) * | 2014-11-26 | 2015-03-25 | 攀枝花环业冶金渣开发有限责任公司 | Steel and iron slag micro-powder and production method thereof |
| KR101699012B1 (en) * | 2015-10-29 | 2017-01-23 | 에코엔텍 주식회사 | The soil fill materials using product of industry |
| CN108059371A (en) * | 2017-12-26 | 2018-05-22 | 攀枝花钢城集团有限公司 | It is a kind of to add tricalcium silicate to improve the method for converter slag activity |
-
2018
- 2018-12-19 CN CN201811554949.0A patent/CN109534708B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343174A (en) * | 2013-07-11 | 2013-10-09 | 东北大学 | Method for separating titanium, iron, vanadium and calcium from mixed titaniferous slag |
| CN104446021A (en) * | 2014-11-26 | 2015-03-25 | 攀枝花环业冶金渣开发有限责任公司 | Steel and iron slag micro-powder and production method thereof |
| KR101699012B1 (en) * | 2015-10-29 | 2017-01-23 | 에코엔텍 주식회사 | The soil fill materials using product of industry |
| CN108059371A (en) * | 2017-12-26 | 2018-05-22 | 攀枝花钢城集团有限公司 | It is a kind of to add tricalcium silicate to improve the method for converter slag activity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698100A (en) * | 2019-11-12 | 2020-01-17 | 攀枝花环业冶金渣开发有限责任公司 | Method for using slag of slag steel iron electric furnace as concrete admixture |
| CN110947515A (en) * | 2019-12-17 | 2020-04-03 | 攀枝花钢城集团有限公司 | Method for preparing fine-fraction steel slag used as admixture of cement and concrete |
| CN115368036A (en) * | 2022-08-30 | 2022-11-22 | 攀枝花钢城集团有限公司 | Doping material for reducing water-soluble hexavalent chromium of cement and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109534708B (en) | 2022-04-08 |
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