CN107986648A - Portland slag cement and preparation method thereof - Google Patents
Portland slag cement and preparation method thereof Download PDFInfo
- Publication number
- CN107986648A CN107986648A CN201711439255.8A CN201711439255A CN107986648A CN 107986648 A CN107986648 A CN 107986648A CN 201711439255 A CN201711439255 A CN 201711439255A CN 107986648 A CN107986648 A CN 107986648A
- Authority
- CN
- China
- Prior art keywords
- parts
- portland
- water
- gypsum
- slag cement
- 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
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of portland slag cement and preparation method thereof.The portland slag cement includes the component of following parts by weight：50 60 parts of Portland clinker, 35 parts of gypsum, 25 35 parts of granulated blast-furnace slag, 35 parts of lime stone, 5 10 parts of kiln ash, 25 parts of zeolite, 0.1 0.3 parts of grinding aid；According to parts by weight, the grinding aid includes 5 15 parts of triethanolamine, 5 15 parts of triethanolamine acetate, 38 parts of glycerine, 15 parts of ethylene glycol, 0.5 2 parts of water-reducing agent, 38 parts of sodium thiosulfate, 50 60 parts of water.Beneficial effects of the present invention are：The concrete prepared using the slag aluminate cement has good mobility, lifts the processing performance of concrete.
Description
Technical field
The present invention relates to cement, more particularly to a kind of portland slag cement and preparation method thereof.
Background technology
All hydraulic cementing materials made of Portland clinker, granulated blast-furnace slag, proper amount of gypsum are levigate claim
For portland slag cement.
The Chinese patent of Publication No. CN104761162A discloses a kind of portland slag cement and preparation method thereof.Should
Portland slag cement includes the component of following mass percent：Portland clinker 30.0-65.0%, Copper Slag 5.0-
15.0%th, blast-furnace cinder 15.0-30.0%, molybdenum slag 5.0-15.0%, flue dust 5.0-12.0%, gypsum 2.5-5.0%.
But it is poor using concrete flowability prepared by the portland slag cement, cause the processing performance of concrete
It is poor, have much room for improvement.
The content of the invention
The object of the present invention is to provide a kind of slag aluminate cement.The concrete prepared using the slag aluminate cement
With good mobility, the processing performance of concrete is lifted.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of portland slag cement, includes the component of following parts by weight：
50-60 parts of Portland clinker, 3-5 parts of gypsum, 25-35 parts of granulated blast-furnace slag, 3-5 parts of lime stone, kiln ash 5-10
Part, 2-5 parts of zeolite, 0.1-0.3 parts of grinding aid；
According to parts by weight, the grinding aid includes 5-15 parts of triethanolamine, 5-15 parts of triethanolamine acetate, 3-8 parts of glycerine, second
1-5 parts of glycol, 0.5-2 parts of water-reducing agent, 3-8 parts of sodium thiosulfate, 50-60 parts of water.
By using above-mentioned technical proposal, Portland clinker be using lime stone and clay as primary raw material, through it is broken,
Dispensing, it is levigate be made raw material, then calcining forms in cement kiln.Portland clinker is mainly by CaO, SiO2、Fe2O3、
Al2O3Four kinds of oxide compositions, after high-temperature calcination, CaO, SiO2、Fe2O3、Al2O3Four kinds of oxides are not with single oxygen
Compound exists, but with the multi mineral aggregate of two or more oxide reaction generation.Gypsum is monoclinic system
Mineral, its main component are the hydrate of calcium sulfate.Granulated blast-furnace slag is in the blast furnace process pig iron, with silicate and sial
Hydrochlorate is the fusant of main component, is obtained after quenching granulating.Lime stone, kiln ash are common auxiliary in portland slag cement
Material, can reduce the dosage of Portland clinker, so as to reduce production cost.The addition of zeolite can improve the stabilization of cement
Property.The addition of grinding aid can improve the mill efficiency of cement in process of production, reduce production cost.Triethanolamine and three second
Hydramine acetate can not only play the grind -aiding effect to cement, and can increase the intensity of cement, while can strengthen mixed
Coagulate the mobile performance of soil.Glycerine and ethylene glycol can strengthen the intensity of cement, and Water-reducing Admixtures To Cements have absorption and peptizaiton, carry
High strength of cement, increases concrete flowability.Sodium thiosulfate can lift the early strength of cement.Water can then promote grinding aid
Agent each component is sufficiently mixed.
The present invention is further arranged to：The gypsum is dihydrate gypsum, saline gypsum, ardealite, anhydrous gypsum or scoria
Cream.
By using above-mentioned technical proposal, dihydrate gypsum, saline gypsum, ardealite, anhydrous gypsum and bassanite are normal
The gypsum classification seen, it is cheap and easy to get, reduce production cost.
The present invention is further arranged to：The water-reducing agent is lignin sulfonate water-reducing agent.
By using above-mentioned technical proposal, lignin sulfonate water-reducing agent is anion surfactant, cheap,
Water-reducing rate is in 8-10%.
The present invention is further arranged to：The lignin sulfonate water-reducing agent is sodium lignin sulfonate, lignin sulfonic acid
One kind in potassium.
By using above-mentioned technical proposal, sodium lignin sulfonate and potassium lignosulfonate are common lignin sulfonic acid
Salt, it is cheap and easy to get, reduce production cost.
The present invention is further arranged to：According to parts by weight, 10-20 parts of chlorohydrocarbon is further included.
By using above-mentioned technical proposal, triethanolamine can react with chlorohydrocarbon, quaternary ammonium salt be generated, so as to improve
The mobility of concrete.Meanwhile the generation of quaternary ammonium salt can produce chlorion in cement and concrete, and chlorion can carry
Mill efficiency in high cement production process, significantly increases the early strength of cement.Simultaneously as quaternary ammonium salt is with unstable
Property, quaternary ammonium salt can be decomposed into triethanolamine and chlorohydrocarbon again in concrete after construction, and the volatility of chlorohydrocarbon makes
It volatilizees after the completion of construction, so as to avoid chlorion from causing reinforcement in concrete to corrode, influences asking for concrete service life
Topic.
The present invention is further arranged to：The chlorohydrocarbon selects dichloromethane, 1,1 ,-dichloroethanes, 1,2- dichloroethanes
In one kind.
By using above-mentioned technical proposal, dichloromethane, 1,1 ,-dichloroethanes, 1,2- dichloroethanes are common chlorohydrocarbon,
It is in a liquid state under room temperature state, there is volatility.
Another goal of the invention of the present invention is to provide a kind of preparation method of portland slag cement, includes the following steps：
(1) according to parts by weight, 5-15 parts of triethanolamine, 5-15 parts of triethanolamine acetate, 3-8 parts of glycerine, ethylene glycol 1-5 are weighed
Part, 0.5-2 parts of lignin sulfonate water-reducing agent, 10-20 parts of chlorohydrocarbon, 3-8 parts of sodium thiosulfate, 50-60 parts of water, mixing are equal
It is even to obtain grinding aid；
(2) according to parts by weight, 50-60 parts of Portland clinker, 3-5 parts of gypsum, 25-35 parts of granulated blast-furnace slag, stone are weighed
3-5 parts of lime stone, 5-10 parts of kiln ash, 2-5 parts of zeolite, 0.1-0.3 parts of grinding aid；
(3) average grain diameter that ground granulated blast furnace slag is broken to powder is 100-110 μm；
(4) after crushing in granulated blast-furnace slag and step (2) other components after mixing grinding to powder average grain diameter
For 50-60 μm.
By using above-mentioned technical proposal, first granulated blast-furnace slag is crushed, reduces the particle diameter of granulated blast-furnace slag,
The granulated blast-furnace slag after crushing and other components are subjected to grinding after mixing again, under the action of grinding aid, improve powder
Efficiency is ground, reduces particle diameter, so that the surface area that cement can be reacted with water increases, accelerates the hydration reaction speed of cement, increases
Strong cement early strength.
In conclusion the invention has the advantages that：
1st, the cement has good compression strength, meanwhile, the concrete prepared using the cement has good mobility, carries
Rise the processing performance of concrete；
2nd, triethanolamine can react with chlorohydrocarbon, generate quaternary ammonium salt, improve the intensity of cement and the mobility of concrete,
Triethanolamine and chlorohydrocarbon can be decomposed into again in the concrete of quaternary ammonium salt after construction, and the volatility of chlorohydrocarbon is applying it
Volatilize after the completion of work, so that the problem of avoiding chlorion from causing reinforcement in concrete to corrode, influencing concrete service life.
Embodiment
The component table of table 1, embodiment 1-6 grinding aids
A kind of production technologies of grinding aid of embodiment 1-5, include the following steps：
Weigh triethanolamine, triethanolamine acetate, glycerine, ethylene glycol, lignin sulfonate water-reducing agent, chlorohydrocarbon, thio
Sodium sulphate, water, are uniformly mixed and obtain grinding aid.
A kind of production technology of 6 grinding aid of embodiment, includes the following steps：
Weigh triethanolamine, triethanolamine acetate, glycerine, ethylene glycol, lignin sulfonate water-reducing agent, sodium thiosulfate,
Water, is uniformly mixed and obtains grinding aid.
The component table of table 2, embodiment 7-12 portland slag cements
A kind of preparation methods of portland slag cement of embodiment 7-12, include the following steps：
(1) Portland clinker, gypsum, granulated blast-furnace slag, lime stone, kiln ash, zeolite, grinding aid are weighed；
(2) ground granulated blast furnace slag is broken into powder；
(3) after crushing granulated blast-furnace slag and other components in step (2) after mixing grinding into powder.
Comparative example 1
By the embodiment 1 of the Chinese patent of Publication No. CN104761162A as a comparison case 1.
Fluidity test
Step 1：175kg water, 461kg cement, 512kg sand are weighed, 1252kg stones, are uniformly mixed and obtain concrete；
Step 2：The concrete that step 1 is obtained loads 100mm suitable for reading, lower mouth 200mm, the horn-like of high 300mm and collapses in three times
Degree of falling bucket, under hitting 25 along the uniform ecto-entad of bucket wall with beater after loading every time, smoothes out after tamping.Then bucket, concrete are pulled up
Because dead weight produces slump phenomenon, the height of concrete peak after collapsing is subtracted with the high 300mm of bucket, is known as the slump.Such as：Difference
It is worth for 10mm, then the slump is 10.
The fluidity test record sheet of table 3, embodiment 7-12 and comparative example 1
| Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 | Comparative example 1 | |
| The slump | 195 | 197 | 200 | 196 | 194 | 182 | 174 |
Note：The slump is bigger, shows that the mobility of concrete is higher.
As known from Table 3, the slump of embodiment 7-12 is all higher than comparative example 1, shows to use slag silicate brine of the present invention
Clay standby concrete has good mobility.And the slump of embodiment 7-11 is all higher than embodiment 12, it is seen that chlorohydrocarbon
Addition can improve using portland slag cement of the present invention preparation concrete mobility.
Compression test
The compression strength of embodiment 7-12 and comparative example 1 are tested with reference to GB 1344-1999.
The compression test record sheet of table 4, embodiment 7-12 and comparative example 1
As known from Table 4, the 7d compression strength of embodiment 7-12 and 28d compression strength are all higher than comparative example 1, show the present invention not only
With good early anti pressured intension, and there is good later stage compression strength.Meanwhile the 7d compression strength of embodiment 7-11
Embodiment 12 is all higher than with 28d compression strength, it is seen that the addition of chlorohydrocarbon can improve the early anti pressured intension of the present invention with after
Phase compression strength.
Setting time tests
With reference to GB/T 1346-2011《Cement normal consistency water consumption, setting time, stability》To embodiment 7-12 and contrast
The setting time of example 1 is tested.
The setting time testing record sheet of table 5, embodiment 7-12 and comparative example 1
As known from Table 5, the presetting period of embodiment 7-12 and final setting time are respectively less than comparative example 1, and the surface present invention is not only pre-hardening
Speed, and final set speed, easy to rapid construction.Meanwhile the presetting period of embodiment 7-11 is less than embodiment 12
Presetting period, final setting time is close with the final setting time of embodiment 12, it is seen that the addition of chlorohydrocarbon can accelerate the present invention's
Pre-hardening speed, but the final set speed of the present invention is not influenced.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (7)
1. a kind of portland slag cement, it is characterized in that：Include the component of following parts by weight：
50-60 parts of Portland clinker, 3-5 parts of gypsum, 25-35 parts of granulated blast-furnace slag, 3-5 parts of lime stone, kiln ash 5-10
Part, 2-5 parts of zeolite, 0.1-0.3 parts of grinding aid；
According to parts by weight, the grinding aid includes 5-15 parts of triethanolamine, 5-15 parts of triethanolamine acetate, 3-8 parts of glycerine, second
1-5 parts of glycol, 0.5-2 parts of water-reducing agent, 3-8 parts of sodium thiosulfate, 50-60 parts of water.
2. portland slag cement according to claim 1, it is characterized in that：The gypsum for dihydrate gypsum, saline gypsum,
Ardealite, anhydrous gypsum or bassanite.
3. portland slag cement according to claim 1, it is characterized in that：The water-reducing agent subtracts for lignin sulfonate
Aqua.
4. portland slag cement according to claim 3, it is characterized in that：The lignin sulfonate water-reducing agent is wood
One kind in quality sodium sulfonate, potassium lignosulfonate.
5. portland slag cement according to claim 1, it is characterized in that：According to parts by weight, chlorohydrocarbon 10-20 is further included
Part.
6. portland slag cement according to claim 5, it is characterized in that：The chlorohydrocarbon selects dichloromethane, 1,1 ,-
One kind in dichloroethanes, 1,2- dichloroethanes.
7. a kind of preparation method of portland slag cement, it is characterized in that：Include the following steps：
（1）According to parts by weight, 5-15 parts of triethanolamine, 5-15 parts of triethanolamine acetate, 3-8 parts of glycerine, ethylene glycol 1-5 are weighed
Part, 0.5-2 parts of lignin sulfonate water-reducing agent, 10-20 parts of chlorohydrocarbon, 3-8 parts of sodium thiosulfate, 50-60 parts of water, mixing are equal
It is even to obtain grinding aid；
（2）According to parts by weight, 50-60 parts of Portland clinker, 3-5 parts of gypsum, 25-35 parts of granulated blast-furnace slag, stone are weighed
3-5 parts of lime stone, 5-10 parts of kiln ash, 2-5 parts of zeolite, 0.1-0.3 parts of grinding aid；
（3）It it is 100-110 μm by the average grain diameter that ground granulated blast furnace slag is broken to powder；
（4）Granulated blast-furnace slag and step after crushing（2）Middle other components after mixing grinding to powder average grain diameter
For 50-60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439255.8A CN107986648A (en) | 2017-12-26 | 2017-12-26 | Portland slag cement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439255.8A CN107986648A (en) | 2017-12-26 | 2017-12-26 | Portland slag cement and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107986648A true CN107986648A (en) | 2018-05-04 |
Family
ID=62042728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439255.8A Pending CN107986648A (en) | 2017-12-26 | 2017-12-26 | Portland slag cement and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107986648A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066124A (en) * | 2019-04-22 | 2019-07-30 | 天津山水水泥有限公司 | A kind of silicate cement mud dry powder fast homogeneous method |
| CN110156413A (en) * | 2019-04-22 | 2019-08-23 | 天津山水水泥有限公司 | A kind of portland slag cement is for the dosage adjustment method in concrete |
| CN110330243A (en) * | 2019-07-15 | 2019-10-15 | 北京华晟创元环境科技有限公司 | A kind of no first-hand datum tailing filling novel gelled material |
| CN110451826A (en) * | 2019-09-18 | 2019-11-15 | 王紫娴 | A kind of villages and towns in rural areas and cracking resistance concrete 32.5 mixed Portland cements and preparation method thereof |
| CN112408820A (en) * | 2020-11-27 | 2021-02-26 | 石家庄强力水泥厂 | Fly ash activity excitant, fly ash cement and preparation method thereof |
| CN113060952A (en) * | 2021-05-17 | 2021-07-02 | 乐陵山水水泥有限公司 | Cement for building and production process thereof |
| CN114835426A (en) * | 2022-03-30 | 2022-08-02 | 广东建盛高新材料有限公司 | Grinding aid for cement clinker, preparation method and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| WO2007116400A3 (en) * | 2006-04-11 | 2009-04-23 | Aharon Barda | A tablet for absorbing waste drainage comprising hydrogel |
| JP2009234898A (en) * | 2008-03-28 | 2009-10-15 | Sumitomo Osaka Cement Co Ltd | Cement composition for water retentive hardened body, cement milk, water retentive hardened body and manufacturing method of water retentive hardened body |
| US20120312194A1 (en) * | 2011-06-09 | 2012-12-13 | Rutgers, The State University Of New Jersey | Synthetic formulations and methods of manufacturing and using thereof |
| CN103880310A (en) * | 2014-02-20 | 2014-06-25 | 辽宁石化职业技术学院 | Portland blast furnace slag cement and preparation method thereof |
| CN104193202A (en) * | 2014-08-06 | 2014-12-10 | 华南理工大学 | Cement with high water-retaining property |
| CN104761162A (en) * | 2015-03-23 | 2015-07-08 | 苏州市德莱尔建材科技有限公司 | Slag Portland cement and preparing method thereof |
| CN105198271A (en) * | 2015-10-28 | 2015-12-30 | 徐福明 | Cement grinding aid and preparation method thereof |
| CN105271880A (en) * | 2015-11-19 | 2016-01-27 | 杭州立平工贸有限公司 | Cement grinding aid |
-
2017
- 2017-12-26 CN CN201711439255.8A patent/CN107986648A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007116400A3 (en) * | 2006-04-11 | 2009-04-23 | Aharon Barda | A tablet for absorbing waste drainage comprising hydrogel |
| CN101182139A (en) * | 2007-11-12 | 2008-05-21 | 华南理工大学 | Masonry cement having higher strength and water retention |
| JP2009234898A (en) * | 2008-03-28 | 2009-10-15 | Sumitomo Osaka Cement Co Ltd | Cement composition for water retentive hardened body, cement milk, water retentive hardened body and manufacturing method of water retentive hardened body |
| US20120312194A1 (en) * | 2011-06-09 | 2012-12-13 | Rutgers, The State University Of New Jersey | Synthetic formulations and methods of manufacturing and using thereof |
| CN103880310A (en) * | 2014-02-20 | 2014-06-25 | 辽宁石化职业技术学院 | Portland blast furnace slag cement and preparation method thereof |
| CN104193202A (en) * | 2014-08-06 | 2014-12-10 | 华南理工大学 | Cement with high water-retaining property |
| CN104761162A (en) * | 2015-03-23 | 2015-07-08 | 苏州市德莱尔建材科技有限公司 | Slag Portland cement and preparing method thereof |
| CN105198271A (en) * | 2015-10-28 | 2015-12-30 | 徐福明 | Cement grinding aid and preparation method thereof |
| CN105271880A (en) * | 2015-11-19 | 2016-01-27 | 杭州立平工贸有限公司 | Cement grinding aid |
Non-Patent Citations (2)
| Title |
|---|
| 法尔勃: "《日用制品中的表面活性剂——理论、生产技术和应用》", 30 November 1994, 中国石化出版社 * |
| 赵计辉等: ""助磨剂配方设计及其对水泥性能的影响研究"", 《硅酸盐通报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066124A (en) * | 2019-04-22 | 2019-07-30 | 天津山水水泥有限公司 | A kind of silicate cement mud dry powder fast homogeneous method |
| CN110156413A (en) * | 2019-04-22 | 2019-08-23 | 天津山水水泥有限公司 | A kind of portland slag cement is for the dosage adjustment method in concrete |
| CN110330243A (en) * | 2019-07-15 | 2019-10-15 | 北京华晟创元环境科技有限公司 | A kind of no first-hand datum tailing filling novel gelled material |
| CN110451826A (en) * | 2019-09-18 | 2019-11-15 | 王紫娴 | A kind of villages and towns in rural areas and cracking resistance concrete 32.5 mixed Portland cements and preparation method thereof |
| CN112408820A (en) * | 2020-11-27 | 2021-02-26 | 石家庄强力水泥厂 | Fly ash activity excitant, fly ash cement and preparation method thereof |
| CN113060952A (en) * | 2021-05-17 | 2021-07-02 | 乐陵山水水泥有限公司 | Cement for building and production process thereof |
| CN114835426A (en) * | 2022-03-30 | 2022-08-02 | 广东建盛高新材料有限公司 | Grinding aid for cement clinker, preparation method and application thereof |
| CN114835426B (en) * | 2022-03-30 | 2023-03-14 | 广东建盛高新材料有限公司 | Grinding aid for cement clinker, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111689752B (en) | Multi-source solid waste base grouting cementing material and preparation method and application thereof | |
| CN107986648A (en) | Portland slag cement and preparation method thereof | |
| EP2178806B1 (en) | Construction material based on activated fly ash | |
| CN107473685A (en) | A kind of fluorite cream base plastering material for inner wall and its production technology | |
| CN101172788A (en) | Method for producing steel-scoria and mine-scoria cement by using steel-scoria ball milled waste mud | |
| CN111620624B (en) | Self-compacting concrete and preparation method thereof | |
| CN110372232B (en) | Non-shrinkage cementing material prepared from phosphogypsum, preparation method thereof and concrete | |
| CN110240434A (en) | A kind of titanium slag-phosphorus slag powder composite blend and its preparation method and application method | |
| JP4781285B2 (en) | Blast furnace slag cement | |
| CN108083671A (en) | Granulated blast-furnace slag exciting agent and preparation method thereof and purposes | |
| JP7218083B2 (en) | Method for producing cement composition | |
| CN110041002A (en) | A kind of levigate rice hull ash base composite blend and its application | |
| CN110282898B (en) | High-performance mineral admixture and application thereof in concrete | |
| KR101243523B1 (en) | High Strength Concrete Composition for High-Rise Building | |
| JP2004292307A (en) | Hydraulic composition | |
| CN109336437A (en) | A kind of limestone micropowder-steel-making slag powder-composite blending material of slag powder and its preparation process | |
| CN106810135A (en) | A kind of concrete mineral admixture and the mortar containing it | |
| CN110981233B (en) | Ferronickel slag masonry cement and preparation method thereof | |
| CN110255943B (en) | Wet-grinding barium slag admixture and preparation method and application thereof | |
| JPH06100338A (en) | Highly fluid cement | |
| CN110963766A (en) | High-performance concrete for inhibiting granite alkali activity and preparation method thereof | |
| CN110255954A (en) | A kind of nanometer of lithium slag early strength agent and its preparation method and application | |
| CN108821702A (en) | A kind of steel ground-slag high-strength concrete and preparation method thereof | |
| CN109592946A (en) | A kind of ultra-high performance concrete and preparation method thereof for mixing steel slag | |
| JP2003137618A (en) | Blast furnace slag fine powder containing inorganic admixture, blast furnace cement, and method of producing them |
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 |
Application publication date: 20180504 |
|
| RJ01 | Rejection of invention patent application after publication |