CN104496228A - Road silicate cement clinker and preparation method thereof - Google Patents

Road silicate cement clinker and preparation method thereof Download PDF

Info

Publication number
CN104496228A
CN104496228A CN201410840312.3A CN201410840312A CN104496228A CN 104496228 A CN104496228 A CN 104496228A CN 201410840312 A CN201410840312 A CN 201410840312A CN 104496228 A CN104496228 A CN 104496228A
Authority
CN
China
Prior art keywords
cement
silicate cement
road silicate
road
weight
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
Application number
CN201410840312.3A
Other languages
Chinese (zh)
Inventor
刘云
刘超
王旭方
王显斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Building Materials Academy CBMA
Original Assignee
China Building Materials Academy CBMA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Building Materials Academy CBMA filed Critical China Building Materials Academy CBMA
Priority to CN201410840312.3A priority Critical patent/CN104496228A/en
Publication of CN104496228A publication Critical patent/CN104496228A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

The invention relates to road silicate cement clinker and a preparation method thereof. The preparation method for the road silicate cement clinker comprises the following steps: grinding and roasting a cement raw material, wherein the cement raw material consists of the following substances in parts by weight: 50-85 parts of lime stones, 5-20 parts of steel slag powder, 5-15 parts of sandstones and 5-15 parts of coal ash. The preparation method can be used for recycling the steel slag, grinding the steel slag into powder after drying, and adopting the prepared steel slag powder as a cement production raw material to prepare road silicate cement clinker with low heat and high fracture resistance, so that the sintering quality of the clinker can be effectively improved after the steel slag powder is added. On the basis of meeting the technical requirements specified in the road silicate cement national standards, the road silicate cement clinker can be used for improving the fracture resistance and wear resistance of the cement, and lowering the hydration heat evolution and the dry shrinkage rate.

Description

Road silicate cement grog and road silicate cement preparation method
Technical field
The present invention relates to a kind of cement clinker technology of building material field, particularly relate to a kind of the road silicate cement grog and the road silicate cement preparation method that adopt the preparation of steel-making slag powder batching.
Background technology
Current general-purpose cement is silicate cement series, and it is with suitable starting material, the rate value of appropriate design and composition, and the processes through " two mills one burn " forms, and is produce and most widely used hydraulic cementing materials.For a long time, chemical composition and the mineral composition of silicate cement do not change substantially, and technical development is production technique and equipment mainly.
Along with the development of road construction and the increase of highway mileage, traffic volume and the load of highway also grow with each passing day, to the quality of cement concrete pavement with it is also proposed higher requirement work-ing life.When silicate cement is used for cement concrete road, due to factors such as aquation heating are high, folding strength is not high, wear-resisting and shrinkage performance is poor, easily causes road concrete to destroy, affect the work-ing life of road.2005 year traffic portions issue " highway water mixes soil surface construction technique normalizing " of implementing and clearly propose extra heavy, heavy traffic road surface and should preferentially adopt road acid salt cement.
Slag as the byproduct of Iron and Steel Production, the C containing some amount 3s, C 2s etc., its mineral composition is more similar to the minerals commonly used in chemical industry ratio of components of cement, has potential hydration activity, belongs to the resource had compared with great development Exploitative potential.But slag due to its chemical composition, mineral composition fluctuation large, Fe 2o 3the features such as content is high, and density is high, has grinding difficulty, and long-term stability is poor, and activity is low, aquation is slow, fail to obtain utilizing in a large number, effectively for a long time always.
Document is not had to disclose with slag preparation cement slurry to prepare cement clinker at present.Because slag complicated component, fluctuation is large, is difficult to successfully as the component of cement slurry.
Summary of the invention
Main purpose of the present invention is, a kind of the road silicate cement grog and road silicate cement and preparation method thereof that adopt the preparation of steel-making slag powder batching are provided, technical problem to be solved makes it using slag as cement slurry component to prepare cement clinker, and then improve fracture resistance and the wear resisting property of cement, thus be more suitable for practicality, and there is the utility value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of road silicate cement grog adopting the preparation of steel-making slag powder batching that the present invention proposes, formed through grinding and calcining by cement slurry, described cement slurry, with parts by weight, is made up of following material: Wingdale: 50-85 part; Steel-making slag powder: 5-20 part; Sandstone: 5-15 part; And flyash: 5-15 part.The weight percent that in each component of described raw material, oxide compound accounts for raw material is respectively: CaO is 60.0-74.0%, SiO 2for 19.5-25.0%, Al 2o 3for 2.0-8.0%, Fe 3o 4for 4.5-7.0%.With weight, described grog comprises: tricalcium aluminate < 5.0%, and Dicalcium Phosphate (Feed Grade) is 15.0-40.0%, and tetracalcium aluminoferrite is 16.0-20.0%.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of preparation method adopting the road silicate cement grog of steel-making slag powder batching preparation that the present invention proposes, it comprises: will by Wingdale 50-85 weight part, steel-making slag powder 5-20 weight part, sandstone 5-15 weight part, and the cement slurry of flyash 5-15 weight part composition carries out grinding; Then calcine raw meal powder, calcining temperature is lower 30 DEG C than calcining general purpose portland cement, and other calcination conditions are suitable with calcining general purpose portland cement, obtain cement clinker.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of road silicate cement that the present invention proposes, in mass percentage, it comprises: cement clinker: 80-95%; Slag powders: 0-10%; Steel-making slag powder: 0-5%; Flyash: 0-5%; Grinding aid: 0.5-1.0%; And gypsum: 4.0-5.0%.Wherein said gypsum is dihydrate gypsum, anhydrite or industry by-product gypsum; Described grinding aid is trolamine or talcum powder.Described road silicate cement 28d folding strength is more than 9.0MPa; 28d mortar abrasion loss is less than 2.5kg/m 2; 28d mortar contract with dry rate reaches 0.06%.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technical scheme, in order to reach aforementioned invention object, the present invention proposes a kind of the road silicate cement grog and the road silicate cement preparation method that adopt the preparation of steel-making slag powder batching, resource utilization application is carried out to slag, by the pre-treatment to slag, comprise homogenizing and levigate to powdery, then obtained steel-making slag powder is adopted to prepare low-heat high folding resistance road Portland clinker as manufacture of cement starting material, after adding steel-making slag powder, that effectively can improve grog burns till quality, the liter of grog is heavy is increased to 1450kg/L from the 1300kg/L of general purpose portland cement grog.On the basis meeting the technical requirements of road silicate cement national Specification, improve fracture resistance and the wear resisting property of cement, reduce hydration heat and contract with dry rate.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, below in conjunction with preferred embodiment, to its embodiment of road silicate cement grog and road silicate cement and preparation method thereof, feature and effect thereof prepared by the employing steel-making slag powder batching proposed according to the present invention, be described in detail as follows.
Embodiment 1
This enforcement proposes a kind of road silicate cement grog adopting the preparation of steel-making slag powder batching, for the preparation of low-heat high folding resistance road silicate cement.Formed through grinding and calcining by cement slurry during described cement clinker, described cement slurry, with parts by weight, is made up of following material: Wingdale: 50-85 part; Steel-making slag powder: 5-20 part; Sandstone: 5-15 part; And flyash: 5-15 part.The weight percent that in each component of described raw material, oxide compound accounts for raw material is respectively: CaO is 60.0-74.0%, SiO 2for 19.5-25.0%, Al 2o 3for 2.0-8.0%, Fe 3o 4for 4.5-7.0%.Described in the present embodiment, grog comprises: tricalcium aluminate < 5.0%, and Dicalcium Phosphate (Feed Grade) is 15.0-40.0%, and tetracalcium aluminoferrite is 16.0-20.0%.
Embodiment 2
This enforcement proposes a kind of preparation method adopting the road silicate cement grog of steel-making slag powder batching preparation, it comprises: will by Wingdale 50-85 weight part, steel-making slag powder 5-20 weight part, sandstone 5-15 weight part, and the cement slurry of flyash 5-15 weight part composition carries out grinding; Then raw meal powder is calcined, obtain cement clinker.What it effectively improved grog burns till quality, and the liter of grog is heavy is increased to 1450kg/L from the 1300kg/L of general purpose portland cement grog.
Embodiment 3
This enforcement proposes low-heat high folding resistance road silicate cement, and in mass percentage, it comprises: cement clinker: 80-95%; Slag powders: 0-10%; Steel-making slag powder: 0-5%; Flyash: 0-5%; Grinding aid: 0.5-1.0%; And gypsum: 4.0-5.0%.Described cement clinker is the cement clinker described in the embodiment that adopts the method described in enforcement 2 and prepare.Wherein said gypsum is dihydrate gypsum, anhydrite or industry by-product gypsum; Described grinding aid is trolamine or talcum powder.Road silicate cement 28d folding strength described in the present embodiment is more than 9.0MPa; 28d mortar abrasion loss is less than 2.5kg/m 2; 28d mortar contract with dry rate reaches 0.06%.The preparation method of the low-heat high folding resistance road silicate cement described in this enforcement is, mixed with (grinding aid) with flyash and (or) gypsum by obtained low-heat high folding resistance road Portland clinker by above-mentioned proportioning, intergrinding is to specific surface area 300-400m 2/ kg.Then mix according to proportioning with slag powders, steel-making slag powder, thus obtain low-heat high folding resistance road silicate cement finished product.
Example 1
According to the method described in embodiment 2, the cement clinker of preparation described in embodiment 1, its detailed process is: provide cement slurry raw material, be specially Wingdale: 72 weight parts, steel-making slag powder: 11 weight parts, sandstone: 8 weight parts, flyash: 9 weight parts.
Following technique is adopted to make:
1), after above-mentioned sandstone and flyash component are dried in dryer being less than 2.0% to water content, be milled to 0.080mm and tail over and be less than 10.0%.
2) grinding after limestone crushing is milled to 0.080mm to tail over and be less than 10.0%.
3) steel-making slag powder is sieved, tail over to 0.080mm and be less than 10.0%.
4) in proportion several powder is mixed into raw material according to respective ratio uniform.
5) mixed raw material is entered rotary kiln, calcine in kiln.
6) gained clinker cooling will be calcined, namely reach required low-heat high folding resistance road Portland clinker.The liter of this cement clinker is heavily 1450kg/L.
Adopt the raw material composition described in table 1 according to the technique described in example 1, prepare the road silicate cement grog of example 2-7.
Table 1: the raw material raw material composition of example 2-7 and proportioning (weight part)
Example 8-14
According to the scheme described in embodiment 3, and according to the proportioning raw materials described in table 2, prepare low-heat high folding resistance road silicate cement.
Table 2: the various raw material composition of example 8-14 and proportioning (weight percent)
Carry out following Performance Detection to the road silicate cement that above-mentioned example 8-14 obtains, concrete outcome is in table 3.
1) folding strength performance
Performance Detection is carried out by GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO method) " by St Cement Q Supervision & Testing Center.
2) wear resisting property of cement
Performance Detection is carried out by JC/T421-2005 " cement mortar cut resistance test method " by St Cement Q Supervision & Testing Center.
3) shrinkage performance of cement:
Performance Detection is carried out by JC/T 603-2005 " cement mortar dry shrinkage test method " by St Cement Q Supervision & Testing Center.
4) hydration heat of cement
By St Cement Q Supervision & Testing Center by carrying out Performance Detection.
Table 3, the performance test results of example 8-14 road silicate cement
Example 8 9 10 11 12 13 14
28d folding strength MPa 9.0 9.1 9.3 9.4 9.5 9.6 9.8
28d mortar abrasion loss kg/m 2 2.2 2.3 2.3 1.8 2.0 2.4 2.4
28d mortar contract with dry rate % 0.06 0.05 0.06 0.06 0.05 0.05 0.06
3 days hydration heat kJ/kg 230 235 240 240 243 245 250
7 days hydration heat kJ/kg 250 260 265 270 278 280 285
Above-mentioned data show, road silicate cement of the present invention meets hydration heat technical requirements (3 days hydration heat≤251kJ/kg of the moderate-heat portland cement specified in standard GB/T 200-2003,7 days hydration heat≤293kJ/kg), close to low-heat portland cement regulation hydration heat technical requirements (3 days hydration heat≤230kJ/kg, 7 days hydration heat≤260kJ/kg), hydration heat is well below existing 42.5 grades of general purpose portland cements (3d is 270-300kJ/kg, 7d is 300-340kJ/kg).
The performance that the present invention focuses on fracture resistance and hydration heat increases significantly.28 days folding strength >=9.0MPa of the road silicate cement using road silicate cement grog to prepare.Wherein, gypsum material selection dihydrate gypsum: SO 3>30%, anhydrite or industry by-product gypsum: SO 3>45%, gypsum material this law invention in for regulating time of coagulation; Grinding aid is also the component that selectivity is added, and adds according to the difference that Specific construction requires.Mixing material selects slag powders, steel-making slag powder and (or) flyash.Except steel-making slag powder, above-mentioned all material all can obtain from the market.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (7)

1. a road silicate cement grog, is characterized in that:
Formed through grinding and calcining by cement slurry, described cement slurry, with parts by weight, is made up of following material:
Wingdale: 50-85 part;
Steel-making slag powder: 5-20 part;
Sandstone: 5-15 part; With
Flyash: 5-15 part.
2. road silicate cement grog according to claim 1, is characterized in that, the weight percent that in each component of described raw material, oxide compound accounts for raw material is respectively: CaO is 60.0-74.0%, SiO 2for 19.5-25.0%, Al 2o 3for 2.0-8.0%, Fe 3o 4for 4.5-7.0%.
3. road silicate cement grog according to claim 1, is characterized in that, with weight, described grog comprises: tricalcium aluminate < 5.0%, and Dicalcium Phosphate (Feed Grade) is 15.0-40.0%, and tetracalcium aluminoferrite is 16.0-20.0%.
4. a preparation method for road silicate cement grog, it comprises:
Will by Wingdale 50-85 weight part, steel-making slag powder 5-20 weight part, sandstone 5-15 weight part, and the cement slurry of flyash 5-15 weight part composition carries out grinding;
Then raw meal powder is calcined, obtain cement clinker.
5. a road silicate cement, is characterized in that: in mass percentage, and it comprises: cement clinker: 80-95%; Slag powders: 0-10%; Steel-making slag powder: 0-5%; Flyash: 0-5%; Grinding aid: 0.5-1.0%; And gypsum: 4.0-5.0%.
6. road silicate cement according to claim 5, is characterized in that, wherein said gypsum is dihydrate gypsum, anhydrite or industry by-product gypsum; Described grinding aid is trolamine or talcum powder.
7. road silicate cement according to claim 6, is characterized in that, described road silicate cement 28d folding strength is more than 9.0MPa; 28d mortar abrasion loss is less than 2.5kg/m 2; 28d mortar contract with dry rate reaches 0.06%.
CN201410840312.3A 2014-12-30 2014-12-30 Road silicate cement clinker and preparation method thereof Pending CN104496228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410840312.3A CN104496228A (en) 2014-12-30 2014-12-30 Road silicate cement clinker and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410840312.3A CN104496228A (en) 2014-12-30 2014-12-30 Road silicate cement clinker and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104496228A true CN104496228A (en) 2015-04-08

Family

ID=52937706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410840312.3A Pending CN104496228A (en) 2014-12-30 2014-12-30 Road silicate cement clinker and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104496228A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909589A (en) * 2015-05-12 2015-09-16 江苏建筑职业技术学院 Energy-saving and environmental-protection cement
CN106242329A (en) * 2016-07-20 2016-12-21 山东东华水泥有限公司 A kind of cement grinding process
CN106746783A (en) * 2016-12-19 2017-05-31 中国建筑材料科学研究总院 Portland cement
CN108358481A (en) * 2018-03-06 2018-08-03 济南大学 A kind of weathering fine sand batholith cement and preparation method thereof
CN108585561A (en) * 2018-07-07 2018-09-28 河源市极致知管信息科技有限公司 A kind of portland cement and preparation method thereof
CN109020451A (en) * 2018-10-09 2018-12-18 亚泰集团伊通水泥有限公司 A kind of tubular pile cement and preparation method thereof
CN109354426A (en) * 2018-10-09 2019-02-19 柏焕玉 A kind of novel concrete and preparation method thereof of high fracture resistance value
CN109503006A (en) * 2019-01-04 2019-03-22 大同冀东水泥有限责任公司 A kind of roadbase slow setting portland cement and production method
CN110228956A (en) * 2019-05-29 2019-09-13 潞城市卓越水泥有限公司 A kind of Portland clinker of high compressive strength and preparation method thereof
CN110330244A (en) * 2019-08-13 2019-10-15 中国建筑材料科学研究总院有限公司 It a kind of road surface quickly repairs with road cement and preparation method thereof
CN110526604A (en) * 2019-10-17 2019-12-03 天津市金晟华水泥股份有限公司 A kind of energy saving cement and preparation method thereof
CN110590201A (en) * 2019-08-13 2019-12-20 中国建筑材料科学研究总院有限公司 Road cement with high chloride ion resistance and preparation method thereof
CN110590311A (en) * 2019-10-17 2019-12-20 天津市金晟华水泥股份有限公司 Cement and preparation method thereof
CN110590197A (en) * 2019-10-17 2019-12-20 天津市金晟华水泥股份有限公司 Cement mixture and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1513790A (en) * 2003-04-29 2004-07-21 上海联合水泥有限公司 Dry method cement production technique using converter steet slag adjuvant
CN101050070A (en) * 2007-03-30 2007-10-10 山东金鲁城有限公司 Method for producing Portland cement
CN102942314A (en) * 2012-11-30 2013-02-27 广西鱼峰水泥股份有限公司 Oil well cement and production method thereof
CN103992049A (en) * 2014-04-28 2014-08-20 武汉钢铁(集团)公司 Cement clinker preparation method using converter steel slag to correct iron quality

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1513790A (en) * 2003-04-29 2004-07-21 上海联合水泥有限公司 Dry method cement production technique using converter steet slag adjuvant
CN101050070A (en) * 2007-03-30 2007-10-10 山东金鲁城有限公司 Method for producing Portland cement
CN102942314A (en) * 2012-11-30 2013-02-27 广西鱼峰水泥股份有限公司 Oil well cement and production method thereof
CN103992049A (en) * 2014-04-28 2014-08-20 武汉钢铁(集团)公司 Cement clinker preparation method using converter steel slag to correct iron quality

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
中华人民共和国国家质量监督检验检疫总局等: "《中华人民共和国国家标准》", 22 April 2005, article "GB13693-2005 道路硅酸盐水泥" *
吕新峰等: "钢渣替代铁粉在新型干法熟料生产中的应用", 《2013年全国冶金能源环保生产技术会》, 28 August 2013 (2013-08-28), pages 526 - 1 *
徐子芳: "《建筑材料》", 31 July 2013, 中国科学技术大学出版社, article "无机胶凝建筑材料", pages: 20-21 *
李坚利等: "《水泥生产工艺》", 31 July 2008, 武汉理工大学出版社 *
胡曙光: "《特种水泥》", 28 February 1999, 武汉工业大学出版社 *
詹铁蕾等: "工业废渣在新型干法水泥生产中应用", 《环境工程》, vol. 30, no. 2, 30 September 2012 (2012-09-30), pages 324 - 3 *
钱觉时: "《建筑材料学》", 31 March 2007, 武汉理工大学出版社, article "通用硅酸盐水泥", pages: 70 *
韩德山: "钢渣配料在预分解窑上生产高标号熟料", 《四川水泥》, no. 4, 15 April 2014 (2014-04-15), pages 138 - 1 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909589A (en) * 2015-05-12 2015-09-16 江苏建筑职业技术学院 Energy-saving and environmental-protection cement
CN106242329A (en) * 2016-07-20 2016-12-21 山东东华水泥有限公司 A kind of cement grinding process
CN106746783A (en) * 2016-12-19 2017-05-31 中国建筑材料科学研究总院 Portland cement
CN106746783B (en) * 2016-12-19 2019-06-18 中国建筑材料科学研究总院 A kind of erosion resistant road silicate cement clinker of highly resistance folding microdilatancy and road silicate cement preparation method
CN108358481A (en) * 2018-03-06 2018-08-03 济南大学 A kind of weathering fine sand batholith cement and preparation method thereof
CN108358481B (en) * 2018-03-06 2020-12-29 济南大学 Weathered fine sand rock-based cement and preparation method thereof
CN108585561A (en) * 2018-07-07 2018-09-28 河源市极致知管信息科技有限公司 A kind of portland cement and preparation method thereof
CN109020451A (en) * 2018-10-09 2018-12-18 亚泰集团伊通水泥有限公司 A kind of tubular pile cement and preparation method thereof
CN109354426A (en) * 2018-10-09 2019-02-19 柏焕玉 A kind of novel concrete and preparation method thereof of high fracture resistance value
CN109503006A (en) * 2019-01-04 2019-03-22 大同冀东水泥有限责任公司 A kind of roadbase slow setting portland cement and production method
CN110228956A (en) * 2019-05-29 2019-09-13 潞城市卓越水泥有限公司 A kind of Portland clinker of high compressive strength and preparation method thereof
CN110330244A (en) * 2019-08-13 2019-10-15 中国建筑材料科学研究总院有限公司 It a kind of road surface quickly repairs with road cement and preparation method thereof
CN110590201A (en) * 2019-08-13 2019-12-20 中国建筑材料科学研究总院有限公司 Road cement with high chloride ion resistance and preparation method thereof
CN110526604A (en) * 2019-10-17 2019-12-03 天津市金晟华水泥股份有限公司 A kind of energy saving cement and preparation method thereof
CN110590311A (en) * 2019-10-17 2019-12-20 天津市金晟华水泥股份有限公司 Cement and preparation method thereof
CN110590197A (en) * 2019-10-17 2019-12-20 天津市金晟华水泥股份有限公司 Cement mixture and preparation method thereof

Similar Documents

Publication Publication Date Title
CN104496228A (en) Road silicate cement clinker and preparation method thereof
CN103864321B (en) road silicate cement and production method thereof
CN105330180B (en) Early-strength low-heat portland cement and preparation method thereof
CN106316172B (en) Fine high intensity High-belite Cement and preparation method thereof
CN106316174B (en) Extra large work low-heat cement
CN107601924A (en) A kind of modified portland cement clinker and preparation method thereof
CN100522859C (en) Cement clinker prepared from dehydrated sludge burdening and preparation method thereof
CN102249568B (en) Low-alkali expansive moderate heat silicate cement and production method thereof
CN104788032B (en) A kind of belite cement and preparation method thereof
CN105669056B (en) A kind of low-carbon cement clinker and its preparation method and application
CN105036667B (en) A kind of preparation method of antifreeze dry-mixed mortar
CN105314902B (en) The method that belite sulphoaluminate cement clinker is calcined all of industrial residue
CN104150794A (en) Preparation method for Portland cement with iron tailings
CN106746783A (en) Portland cement
CN101580347B (en) Composite industrial residue mineralizer cement clinker
CN104860554A (en) New-style composite base material for reinforcing foundation manufactured via reconstruction of steel slag at normal temperature
CN1069092C (en) Cement clinker and preparation thereof
CN101857384A (en) Method for producing moderate heat portland cement by utilizing industrial waste
CN104129932A (en) High-strength moderate-heat nuclear power engineering special-purposed cement and preparation method thereof
CN105000814A (en) Processing method for preparing fast-hardening early-strength oil well cement with industrial waste slag
CN104129939B (en) A kind of sulphate aluminium cement of modified ardealite preparation and preparation method thereof
CN106277864B (en) Extra large work low-heat portland cement clinker aggregate and preparation method thereof
CN102701612A (en) Manufacturing method of composite phosphorus slag powder
CN101462837A (en) Method for producing cement clinker
CN104016601A (en) Method for producing cement cementing material through industrial waste residue sludge

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150408

RJ01 Rejection of invention patent application after publication