CN101555111B - Highly active activated cement grinding reinforcing agent and preparation process thereof - Google Patents
Highly active activated cement grinding reinforcing agent and preparation process thereof Download PDFInfo
- Publication number
- CN101555111B CN101555111B CN2009100433312A CN200910043331A CN101555111B CN 101555111 B CN101555111 B CN 101555111B CN 2009100433312 A CN2009100433312 A CN 2009100433312A CN 200910043331 A CN200910043331 A CN 200910043331A CN 101555111 B CN101555111 B CN 101555111B
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- Prior art keywords
- cement
- reinforcing agent
- highly active
- agent
- grinding
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B7/48—Clinker treatment
- C04B7/52—Grinding ; After-treatment of ground cement
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a highly active activated cement grinding reinforcing agent and a preparation process thereof; wherein, the highly active activated cement grinding reinforcing agent comprises the following main components and mass percentage compositions: 38-44% of water, 8-12% of poly hydroxy acid high efficiency water reducing agent, 4-10% of sodium acetate, 1-3.6% of carbamide, 13-19% of modified lignin, 8-12% of 85% trolamine, 14-20% of maltose, 0.08-0.11% of tweenTO-20 and 0.08-0.11% of silicone antifoam agent. The grinding reinforcing agent of the invention has the following advantages: 1. the specific surface area of material is increased; cement output is increased by grinding; 2. the activity of clinker is activated; cement strength is improved; 3. cement solidification is adjusted, and cement property is modified, therefore the soundness of cement is improved; 4. drying shrinkage, freeze-thaw resistance, wearing resistance and impermeability of cement are improved; in addition, carbonization resistance and erosion resistance are improved; 5. the reinforcing agent is completely free from chloridion, meets requirements on environmental protection and does not have corrosion action on steel bars in cement concrete, thus lengthening service life of reinforced concrete members.
Description
Technical field
The invention belongs to the cement auxiliary agent, be specifically related to a kind of highly active activated cement grinding reinforcing agent and preparation technology thereof.
Background technology
In the production process of cement mill, manufacture of cement ubiquity power consumption is too high, the disadvantage that mill hourly output is not high at present.Although also use cement grinding aid aborning, as use simple Industrial Salt, trolamine to add simple grinding aids such as Sodium sulfate anhydrous.min(99).Though they have certain grinding-aid effect and reinforced effects, make in the finished cement that cl ions can severe overweight owing to contain cl ions in these grinding aids, influence cement quality, the reinforcing bar in the cement concrete is had corrosive nature.
Summary of the invention
The objective of the invention is problem, provide a kind of manufacture of cement that helps energy-saving and cost-reducing, improve output, can improve cement products performance and the highly active activated cement grinding reinforcing agent and the preparation technology thereof that improve the quality to present cement industry existence.
The present invention seeks to realize through following technical scheme:
Highly active activated cement grinding reinforcing agent adopts following main ingredient and weight percentage:
Water 38-44% gathers hydroxy acid high efficiency water reducing agent 8-12%, sodium acetate 4-10%, urea 1-3.6%, modified lignin resin 13-19%, 85% trolamine 8-12%, malt sugar 14-20%, tween TO-200.08-0.11%, silicone antifoam agent 0.08-0.11%.
The preferable weight percentage of said component is:
Water 38-41% gathers hydroxy acid high efficiency water reducing agent 8-12%, sodium acetate 6-8%, urea 1.8-3.6%, modified lignin resin 13-16%, 85% trolamine 8-11%, malt sugar 16-18%, tween TO-200.08-0.11%, silicone antifoam agent 0.08-0.11%.
The preparation technology of highly active activated cement grinding reinforcing agent may further comprise the steps according to the weight percentage of said component:
1), carry out after the compound stirring water, trolamine, malt sugar, TO-20 and silicone antifoam agent subsequent use;
2), carry out after the compound stirring sodium acetate, urea and modified lignin resin subsequent use;
3), with step 1) and 2) mixed solution addition polymerization hydroxy acid high efficiency water reducing agent carry out compound stirring and get product.
The mechanism of action:
Trolamine in of the present invention, malt sugar, tween TO-20 and silicone antifoam agent are compound together; Mainly cement is strengthened intensity in early stage; Directly improve mill output; The compound together main stabilizing cement later strength of sodium acetate, urea and modified lignin resin, compatible with other admixture, it mainly is that the reaction that lets the various raw materials of whole prod produce each other can be complete that addition polymerization hydroxy acid high efficiency water reducing agent carries out compound; Accomplish neither chloride ion-containing, solved the corrosion of cl ions again reinforcing bar in the cement concrete.
It is interior by the material surface adsorption that this highly active activated cement grinding reinforcing agent gets into cement mill, can reduce the material particles surface free energy.Stop the compound of newborn crackle.Quicken the expansion of material crackle.Reduce the hardness and the intensity on material surface, improved the grindability of material.Cement grinding aid also reduces cement and tails over, and has avoided particulate to cross grinding, improves cement granules circularity coefficient, promotes the aquation of silicate minerals, improves the activity of cement clinker.Very help the raising of each age strength of cement.
This grinding aid available dedicated volume pump adds entering grinding machine grinding in the cement admixture, and consumption is generally 0.1% of cement admixture.
Major function:
1, improve material specific surface area, grinding aid improves cement output;
2, excite clinker active, improve strength of cement;
3, transfer modification with fixed attention, improve soundness of cement;
4, improve drying shrinkage, freeze-thaw resistance, wear resistance, the impermeability of cement; Improve anti-carbonization ability, corrosion resistance;
5, chloride ion-containing not fully in the product, compliance with environmental protection requirements does not have corrosive nature to the reinforcing bar in the cement concrete, can prolong the life-span of reinforced concrete member.
This highly active activated cement grinding reinforcing agent is used for the main economic and technical norms of manufacture of cement:
1, stablizing specific surface area raising 10% under the normal production conditions, cement mill output improves about 10～20%; Practice thrift power consumption 10%.
2, three days intensity of cement can improve more than 20%, and intensity can improve more than 10% in 28 days.
3, can shorten about 1 hour time of coagulation.
4, reach under the situation more than the 50Mpa at clinker strength, the slag addition content can reach 50～70%, and addition content can reach 25～40% during the independent admixture of slag, coal gangue, zeolite, flyash, can reach 30～50% during blending.
5, behind the cost that digestion or deduction grinding aid are brought into, can reduce about 10 yuan/ton of manufacture of cement costs.
Embodiment
Highly active activated cement grinding reinforcing agent of the present invention adopts following prescription (weight %):
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Water | 40 | ?41 | ?38 |
| Gather the hydroxy acid high efficiency water reducing agent | 10 | ?8 | ?12 |
| Sodium acetate | 6 | ?8 | ?7 |
| Urea | 1.8 | 1.84 | 3.78 |
| Modified lignin resin | 16 | 15 | 13 |
| Trolamine (85%) | 10 | 11 | 8 |
| Malt sugar | 16 | 16 | 18 |
| Tween TO-20 | 0.1 | 0.08 | 0.11 |
| Silicone antifoam agent | 0.1 | 0.08 | 0.11 |
| Add up to | 100％ | 100％ | 100％ |
The preparation technology of highly active activated cement grinding reinforcing agent comprises step by each components contents in the foregoing description:
1) it is subsequent use after 10 minutes, water, trolamine, malt sugar, tween TO-20 and silicone antifoam agent to be carried out compound stirring;
2) it is subsequent use after 15 minutes, sodium acetate, urea and modified lignin resin to be carried out compound stirring;
3), with step 1) and 2) mixed solution addition polymerization hydroxy acid high efficiency water reducing agent carry out compound stirring and got product in 20 minutes.
Application example:
A: TF cement mill, Hebei (addition content 0.1% uses at the 3*13m cement mill)
Effect:
1. raising strength of cement is improved cement performance.Intensity can improve more than 20% in three days; Intensity can improve more than 10% in 28 days; Can shorten about 1 hour time of coagulation; Effectively eliminate the free calcium oxide in the grog, the drying shrinkage, freeze-thaw resistance, wear resistance, impermeability, anti-carbonization ability, corrosion resistance, cement color etc. of cement are effectively improved.
2. the raising cement quality is mixed blended material more, reduces cement cost.Reach at clinker strength under the situation of 50MPa, the slag addition content can reach 60%, and addition content can reach 35% during the independent admixture of slag, coal gangue, zeolite, flyash, can reach 40% during blending, produces the 32.5R class g cement, can improve cement output more than 20%.
3. improve mill output 10～20%, increasing specific surface area about 10%.
4. show to improve and the security of mill cement, the turnover of quickening warehouse compartment.
5. under square one, can improve a label and produce cement, be the shortcut of producing high grade.
6. each item economic and technical norms guarantee to meet the GB requirement, can obtain to condense cement users such as fast, early strong height, good colors need desired result.
B. Pingxiang, Jiangxi LM cement ltd (addition content 0.05% is used for the 2.4*10m grinding machine) effect:
1. gain in strength, intensity increased 3Mpa in 3 days, and intensity increased 4Mpa in 28 days, can effectively eliminate the free calcium oxide in the grog,
2. the blended material addition content is than being increased to more than 40% by original 32%.
3. improve mill output 20%, increasing specific surface area about 10%.
4. finished product meets national cement new-standard, can obtain vast cement user's approval.
Claims (3)
1. highly active activated cement grinding reinforcing agent, adopt following main ingredient and weight percentage:
Water 38-44% gathers hydroxy acid high efficiency water reducing agent 8-12%, sodium acetate 4-10%, urea 1-3.6%, modified lignin resin 13-19%, 85% trolamine 8-12%, malt sugar 14-20%, tween TO-200.08-0.11%, silicone antifoam agent 0.08-0.11%.
2. highly active activated cement grinding reinforcing agent according to claim 1 is characterized in that said group weight percentage is:
Water 38-41% gathers hydroxy acid high efficiency water reducing agent 8-12%, sodium acetate 6-8%, urea 1.8-3.6%, modified lignin resin 13-16%, 85% trolamine 8-11%, malt sugar 16-18%, tween TO-200.08-0.11%, silicone antifoam agent 0.08-0.11%.
3. the preparation technology of a highly active activated cement grinding reinforcing agent may further comprise the steps according to the weight percentage of claim 1 or 2 said components:
1), carry out after the compound stirring water, 85% trolamine, malt sugar, tween TO-20 and silicone antifoam agent subsequent use;
2), carry out after the compound stirring sodium acetate, urea and modified lignin resin subsequent use;
3), with step 1) and 2) mixed solution addition polymerization hydroxy acid high efficiency water reducing agent carry out compound stirring and get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100433312A CN101555111B (en) | 2009-05-08 | 2009-05-08 | Highly active activated cement grinding reinforcing agent and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100433312A CN101555111B (en) | 2009-05-08 | 2009-05-08 | Highly active activated cement grinding reinforcing agent and preparation process thereof |
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| Publication Number | Publication Date |
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| CN101555111A CN101555111A (en) | 2009-10-14 |
| CN101555111B true CN101555111B (en) | 2012-04-25 |
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| CN2009100433312A Expired - Fee Related CN101555111B (en) | 2009-05-08 | 2009-05-08 | Highly active activated cement grinding reinforcing agent and preparation process thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774781B (en) * | 2010-02-03 | 2012-07-25 | 徐福明 | Additive for building garbage as cement admixture |
| CN102060467A (en) * | 2010-12-01 | 2011-05-18 | 镇江市百瑞吉混凝土外加剂有限公司 | Composite cement grinding aid and preparation method thereof |
| CN102153313B (en) * | 2011-04-21 | 2012-12-19 | 江苏锋泰钻石工具制造有限公司 | Concrete complex additive |
| CN102992686B (en) * | 2012-08-21 | 2014-07-16 | 江苏百瑞吉新材料有限公司 | Cement grinding aid |
| CN104150795A (en) * | 2014-08-19 | 2014-11-19 | 王秀贵 | Coal saving and fast burning agent and preparation method thereof |
| CN106277915A (en) * | 2016-08-18 | 2017-01-04 | 天津水泥工业设计研究院有限公司 | A kind of strengthen Pb-Zn tailings in cement activity exciting agent |
| CN111704688A (en) * | 2020-07-03 | 2020-09-25 | 汤如齐 | Cement modified additive and application thereof in cement preparation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104552A (en) * | 2007-07-13 | 2008-01-16 | 谭永中 | Cement reinforcing agent |
| CN101386492A (en) * | 2008-10-17 | 2009-03-18 | 南京永能建材技术有限公司 | Liquid cement grinding aid and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104552A (en) * | 2007-07-13 | 2008-01-16 | 谭永中 | Cement reinforcing agent |
| CN101386492A (en) * | 2008-10-17 | 2009-03-18 | 南京永能建材技术有限公司 | Liquid cement grinding aid and preparation method thereof |
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| CN101555111A (en) | 2009-10-14 |
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Application publication date: 20091014 Assignee: Changsha Bao Bao building materials additives Co., Ltd. Assignor: Wang Xiugui Contract record no.: 2013430000020 Denomination of invention: Highly active activated cement grinding reinforcing agent and preparation process thereof Granted publication date: 20120425 License type: Exclusive License Record date: 20130403 |
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