CN102849974A - Cement quick setting agent and production method thereof - Google Patents
Cement quick setting agent and production method thereof Download PDFInfo
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- CN102849974A CN102849974A CN 201210379262 CN201210379262A CN102849974A CN 102849974 A CN102849974 A CN 102849974A CN 201210379262 CN201210379262 CN 201210379262 CN 201210379262 A CN201210379262 A CN 201210379262A CN 102849974 A CN102849974 A CN 102849974A
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- cement
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- quick setting
- setting agent
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Abstract
The invention relates to a cement quick setting agent and a production method of the cement quick setting agent; the production method comprises the steps of: using bauxite, sodium carbonate or caustic alkali and limestone to generate quick setting agent clinker under the action of mineralizer; then, using clay and limestone to generate cement clinker under the action of mineralizer; and finally, adding a high efficiency water reducing agent, mixing and grinding to obtain the cement quick setting agent. The cement quick setting agent produced by the method is good in later strength, free from corrosion to steel and harmless to the health of constructors.
Description
Technical field
The invention belongs to chemical field, particularly a kind of cement hardener and production method thereof.
Background technology
At present, external Hardenfast mainly contains western ancient nit (Sigunite), Aesop Ge Laite (ISOCrete) and Te Like Zha Er (Tricosal), and they all are with yellow soda ash (Na
2CO
3) and sodium aluminate (NaAlO
2) be main component.No. one, the Red Star of domestic production, 711 types, 782 types, Yangquan one type, Yao mountain type etc. are general, and to adopt aluminum oxide clinker and yellow soda ash, calcium oxide or dehydrated gyp-or alum mud, calcium oxide or zinc oxide be raw material, and what also have adds zinc sulfate, calcium sulfate or Tai-Ace S 150, aluminite etc. in prescription.The weak point of above-mentioned rapid hardening dosage is the raw material because of the employing sulfur-bearing, and sulphur becomes sulfurous acid in the long-term hydration process of concrete, steel are had corrosive nature.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of novel accelerating chemicals and production method thereof, and the cement later strength reduced rate that adopts this accelerating chemicals to produce is low.
A kind of cement hardener, its raw material consists of: Al
2O
3Content is greater than grey a kind of or wherein two or three combination of bauxite, aluminium ash, the chimney of 25% (weight percent), and soda ash or caustic alkali, Wingdale, clay are pressed Na
2O: Al
2O
3=0.9～1.1, CaO: SiO
2=1.8～3.0 preparations, micro-high efficiency water reducing agent, NaAlO
2Weight percent is 43～46%.
Na
2O∶Al
2O
3＝1.0～1.05，CaO∶SiO
2＝2.0～2.2。
High efficiency water reducing agent is naphthene sulfonic acid class salt, and its weight percent is 0.5～1.0%.
A kind of production method of novel accelerating chemicals is: with Al
2O
3Content is greater than the 25%(weight percent) grey a kind of or wherein two or three combination of bauxite, aluminium ash, chimney, soda ash or caustic alkali, an amount of Wingdale or lime, micro-mineralizer through combined grinding, balling-up, burn till the accelerating chemicals grog;
-with clay, surplus Wingdale (deducting the amount of aforementioned adding), micro-mineralizer is through combined grinding, balling-up, calcination of cement clinker;
-above-mentioned the Na that presses
2O: Al
2O
3=0.9～1.1, CaO: SiO
2=1.8～3.0 preparations;
-with the accelerating chemicals grog: cement clinker: high efficiency water reducing agent=1: (0.5～0.7): (0.006～0.01) combined grinding, packing forms.
The accelerating chemicals that adopts aforesaid method to produce, later strength is good and steel are not corroded, and workmen's health also is safe from harm.
Embodiment
The object of the present invention is to provide a kind of late strength of concrete that increases, steel are not had corrosion and to the cement hardener that workmen's health is safe from harm and the quality guaranteed period is long, also provide simultaneously a kind of production method of described cement hardener.
Purpose of the present invention can be achieved by the following measures: accelerating chemicals of the present invention, its raw material consists of: contain Al
2O
3Greater than 25%(weight) bauxite, aluminium ash, chimney grey, a kind of or wherein two or three combination+soda ash or caustic alkali+Wingdale+clay (are pressed Na
2O: Al
2O
3=0.9～1.1, CaO: SiO
2=1.5～3.0 preparations), micro-high efficiency water reducing agent, NaAlO
2Weight percent is 43～46%.
Accelerating chemicals of the present invention, it can also be by Na that its raw material forms
2O: Al
2O
3=1～1.05, CaO: SiO
2=2.0～2.2 preparations.High efficiency water reducing agent is naphthene sulfonic acid class salt high efficiency water reducing agent, and its weight percent is 0.5～1%, NaAlO
2Weight percent is 43～46%.
In addition, can also use Al
2O
3Content greater than 25% contain Al, KNa class mineral, replace bauxite such as nepheline, kaolin families.
The Chemical Composition of accelerating chemicals of the present invention (weight percent)
| Component | NaAlO 2 | 3CaOSiO 2 | 2CaOSiO 2 | 4CaOAl 2O 3·Fe 2O 3 |
| Content | 43～46％ | 47～50％ | 2～3％ | 3～5％ |
Another aspect of the present invention is the method for producing above-mentioned cement hardener.With Al
2O
3Content is grey greater than 25% bauxite, aluminium, class cylinder ash is a kind of or wherein two or three combination, soda ash or caustic alkali, and an amount of Wingdale, accelerating chemicals grog of the present invention is burnt till in the balling-up of micro-mineralizer combined grinding.Clay, Wingdale are deducted the amount of aforementioned adding.The trace mineralizer is through combined grinding balling-up, calcination of cement clinker.
The aforementioned Al that presses
2O:Al
2O
3=0.9～1.1, CaO:SiO
2=1.8～3 preparations.
With the accelerating chemicals grog: cement clinker: high efficiency water reducing agent=1:(0.5～0.7): (0.006～0.01) combined grinding, packing forms.
Method of the present invention can also be Al
2O:Al
2O
3=1.0～1.05, CaO:SiO
2=2～2.2, high efficiency water reducing agent is naphthene sulfonic acid class salt, and adding weight percent is 0.5～1%, and mineralizer is CaF
2, adding weight percent is 1～2%; Add Wingdale, be used for suppressing to produce water glass.Add clay, for reducing pH value and the cost of accelerating chemicals of the present invention, refinforced cement later strength; Add high efficiency water reducing agent, be used for diminishing about 17%, make concrete compaction, its intensity and promotion are condensed after improving; Mineralizer is be used to the catalyzer that guarantees that accelerating chemicals of the present invention reacts completely.
Accelerating chemicals of the present invention with 3% or 4% mixes respectively and carries out first, final set test in 525# ordinary Portland cement or the 425# slag cement, and its test-results is as shown in table 1 below.Can find out that from the test-results of table mixing 3% or 4% accelerating chemicals all has preferably rapid hardening effect, and increase with volume that the rapid hardening effect is more remarkable.
Rapid hardening effect test scheme and result
The result is as shown in the table for slag 425# cement mortar strength test.Can find out and mix 3.0% accelerating chemicals of the present invention that its intensity does not only reduce from the test-results of expression, strengthen on the contrary.
Slag cement cement mortar strength test-results
When the accelerating chemicals incorporation was 3.0% in addition, recording rebound degree was 14.1%.And, through the working-yard experiment, do not bring any smell and corrosion workmen skin phenomenon because mixing accelerating chemicals of the present invention, its reason is:
A, contain NaAlO
2Appropriateness turns the time spent in lotus property, can play the rapid hardening effect, and is not too high because of pH value again, and thermopositive reaction is excessive and affect the abundant aquation of cement minerals;
B, in second batch (grog), do not add the cement clinker of the cement clinker of calcium oxide and containing sulfate or sulfur acid calcium or the material that other pH values raise, and add the cement clinker of the mineral such as high grade tricalcium silicate;
C, add naphthene sulfonic acid class salt high efficiency water reducing agent in second batch, can economize on water about 17%, Behavior of Hardened Cement Paste density increases, so later strength increases.
D, react completely for guaranteeing additive of the present invention, use mineralizer CaF
2Catalyzer as reaction;
E, the present invention be not sulfur-bearing and halogens all, does not contain the acidic oxide that corrodes steel, does not also have the strong basicity oxide compound, and belongs to weakly alkaline, and pH value is about 12.
Claims (4)
1. cement hardener, it is characterized in that: raw material consists of: Al
2O
3Content is greater than grey a kind of or wherein two or three combination of bauxite, aluminium ash, the chimney of 25% (weight percent), and soda ash or caustic alkali, Wingdale, clay are pressed Na
2O: Al
2O
3=0.9～1.1, CaO: SiO
2=1.8～3.0 preparations, micro-high efficiency water reducing agent, NaAlO
2Weight percent is 43～46%.
2. according to cement hardener claimed in claim 1, it is characterized in that: Na
2O: Al
2O
3=1.0～1.05, CaO: SiO
2=2.0～2.2.
3. according to cement hardener claimed in claim 1, it is characterized in that: described high efficiency water reducing agent is naphthene sulfonic acid class salt, and its weight percent is 0.5～1.0%.
4. make the as claimed in claim 1 method of cement hardener for one kind, it is characterized in that:
-with Al
2O
3Content is greater than the 25%(weight percent) grey a kind of or wherein two or three combination of bauxite, aluminium ash, chimney, soda ash or caustic alkali, an amount of Wingdale or lime, micro-mineralizer through combined grinding, balling-up, burn till the accelerating chemicals grog;
-with clay, surplus Wingdale (deducting the amount of aforementioned adding), micro-mineralizer is through combined grinding, balling-up, calcination of cement clinker;
-above-mentioned the Na that presses
2O: Al
2O
3=0.9～1.1, CaO: SiO
2=1.8～3.0 preparations;
-with the accelerating chemicals grog: cement clinker: high efficiency water reducing agent=1: (0.5～0.7): (0.006～0.01) combined grinding, packing forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210379262 CN102849974A (en) | 2012-10-09 | 2012-10-09 | Cement quick setting agent and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210379262 CN102849974A (en) | 2012-10-09 | 2012-10-09 | Cement quick setting agent and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102849974A true CN102849974A (en) | 2013-01-02 |
Family
ID=47397019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210379262 Pending CN102849974A (en) | 2012-10-09 | 2012-10-09 | Cement quick setting agent and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102849974A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739221A (en) * | 2013-12-17 | 2014-04-23 | 南充春飞纳米晶硅技术有限公司 | High efficiency accelerator and its production method |
| CN107651872A (en) * | 2017-08-16 | 2018-02-02 | 昆明理工大学 | A kind of cement early strength agent and preparation method |
| CN108754182A (en) * | 2018-06-26 | 2018-11-06 | 云南省环境科学研究院(中国昆明高原湖泊国际研究中心) | A kind of method of the recycling treatment of aluminum alloy melt casting aluminium slag |
| CN109694208A (en) * | 2017-10-20 | 2019-04-30 | 谢思松 | A kind of powder curing agent and preparation method thereof for expanded perlite thermal-nsulation plate |
| CN109970384A (en) * | 2019-03-01 | 2019-07-05 | 张燕军 | A kind of ultra micro bubble Warm-Mix Bitumen Mixture additive and its preparation and application |
| CN109970383A (en) * | 2019-04-18 | 2019-07-05 | 三明学院 | A kind of production technology using water purification agent waste residue manufacture accelerator |
| CN110183133A (en) * | 2019-05-09 | 2019-08-30 | 常熟理工学院 | A kind of rapid hardening preparation of batch method |
| CN114477827A (en) * | 2022-03-23 | 2022-05-13 | 山西新翔环保科技有限公司 | Method for producing cement accelerator by comprehensively treating secondary aluminum ash |
-
2012
- 2012-10-09 CN CN 201210379262 patent/CN102849974A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739221A (en) * | 2013-12-17 | 2014-04-23 | 南充春飞纳米晶硅技术有限公司 | High efficiency accelerator and its production method |
| CN107651872A (en) * | 2017-08-16 | 2018-02-02 | 昆明理工大学 | A kind of cement early strength agent and preparation method |
| CN107651872B (en) * | 2017-08-16 | 2020-05-15 | 昆明理工大学 | Cement early strength agent and preparation method thereof |
| CN109694208A (en) * | 2017-10-20 | 2019-04-30 | 谢思松 | A kind of powder curing agent and preparation method thereof for expanded perlite thermal-nsulation plate |
| CN109694208B (en) * | 2017-10-20 | 2021-09-03 | 谢思松 | Powder curing agent for expanded perlite insulation board and preparation method thereof |
| CN108754182A (en) * | 2018-06-26 | 2018-11-06 | 云南省环境科学研究院(中国昆明高原湖泊国际研究中心) | A kind of method of the recycling treatment of aluminum alloy melt casting aluminium slag |
| CN109970384A (en) * | 2019-03-01 | 2019-07-05 | 张燕军 | A kind of ultra micro bubble Warm-Mix Bitumen Mixture additive and its preparation and application |
| CN109970384B (en) * | 2019-03-01 | 2021-05-04 | 张燕军 | Ultramicro foam warm mix asphalt mixture additive and preparation and use method thereof |
| CN109970383B (en) * | 2019-04-18 | 2021-08-06 | 三明学院 | Production process for manufacturing accelerating agent by using water purifying agent waste residues |
| CN109970383A (en) * | 2019-04-18 | 2019-07-05 | 三明学院 | A kind of production technology using water purification agent waste residue manufacture accelerator |
| CN110183133A (en) * | 2019-05-09 | 2019-08-30 | 常熟理工学院 | A kind of rapid hardening preparation of batch method |
| CN110183133B (en) * | 2019-05-09 | 2021-05-11 | 常熟理工学院 | Preparation method of quick-setting ingredient |
| CN114477827A (en) * | 2022-03-23 | 2022-05-13 | 山西新翔环保科技有限公司 | Method for producing cement accelerator by comprehensively treating secondary aluminum ash |
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Application publication date: 20130102 |