CN106082744B - A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time - Google Patents
A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time Download PDFInfo
- Publication number
- CN106082744B CN106082744B CN201610416265.9A CN201610416265A CN106082744B CN 106082744 B CN106082744 B CN 106082744B CN 201610416265 A CN201610416265 A CN 201610416265A CN 106082744 B CN106082744 B CN 106082744B
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- CN
- China
- Prior art keywords
- solidification agent
- adjustable solidification
- setting time
- portland clinker
- cement
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- 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.)
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Classifications
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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
- 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
- C04B40/0042—Powdery mixtures
Abstract
A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time of the present invention forms and includes following components by weight percent substantially：Calcium carbonate 15~40%, sodium carbonate 20~35%, sodium bicarbonate 20~35%, aerosil 5~25%, copper oxide 1~10%, zinc oxide 1~10%.The present invention is using adjustable solidification agent component of the one or more mixtures in calcium carbonate, sodium carbonate, sodium bicarbonate, aerosil, copper oxide, zinc oxide as clinker, obtained adjustable solidification agent can accurately adjust the setting time of Portland clinker, and apparent time interval is not present between initial set and final set, i.e. there is no initial set and final set, once condensation is final set.It can be applied to military repairing fortification, concrete rapid shaping and the concrete works building for having precise requirements to setting time.
Description
Technical field
The invention belongs to building material field, specifically a kind of tune that can accurately adjust Portland clinker setting time
Solidifying agent and its preparation method of setting time controllable cement.
Background technology
Adjustable solidification agent is the additive for adjusting cement and concrete coagulating time.The process of concrete hardening can be improved or can be grasped
Make the time.Common adjustable solidification agent includes coagulant, accelerator and retarder.
Military affairs repairing and flood dykes and dams repairing etc. it is certain in special circumstances, need it is a kind of can be at the time point of engine request
Generate the concrete of hardening, such as certain engine requests water when correct times point in 15min or 20min or 40min
Mud generates curing, and existing cement adjustable solidification agent cannot meet this special engineering demand.Patent CN 104817301A describe one
Kind is for emulsified asphalt slurry setting time controllable method for preparing, and the invention is using primary desulfurated plaster and calcareous material and sial
Material is mixed and is made.Patent CN 104058623A describe a kind of calcium nitrate, tartaric acid, citric acid, amino trimethylene first
Adjustable solidification agent of the mixture of base phosphonic acids as cement, the purpose of the patent is to reduce the water requirement of hydrated cementitious, so as to reduce
The shrinkage cracking generated during hardening of cement.The adjustable solidification agent of setting time of cement clinker can accurately be regulated and controled and its condensation can by having no at present
The report of cement preparation method is controlled, and this is highly important to military affairs repairing and concrete XPRS project.
Invention content
Goal of the invention：For deficiency of the prior art, it can accurately adjust portland cement the present invention provides one kind and coagulate
Tie the adjustable solidification agent of time.
Technical solution：A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time of the present invention,
Basic composition includes following components by weight percent：
It is further preferred that adjustable solidification agent of the present invention its form substantially by weight percent include following components：
The present invention also provides the preparation method of above-mentioned adjustable solidification agent, by calcium carbonate, sodium carbonate, sodium bicarbonate, silica
Aeroge, copper oxide and zinc oxide mixing, it is common levigate to 300 ± 10m2/ kg is to get to adjustable solidification agent.
The present invention also provides the applications of adjustable solidification agent, use it in Portland clinker, realize cement initial set.
Specifically, the mass percent of application of the present invention, adjustable solidification agent and Portland clinker be respectively 0.1~
10%th, 90~99%.
Specifically application process is：The adjustable solidification agent is mixed with Portland clinker, it is common it is levigate to 400 ±
10m2/ kg adds in water/cement quality than the water for 0.3, realizes cement initial set.
Advantageous effect：The present invention is using calcium carbonate, sodium carbonate, sodium bicarbonate, aerosil, copper oxide, oxidation
Adjustable solidification agent component of one or more mixtures as clinker in zinc, obtained adjustable solidification agent can accurately adjust silicate
The setting time of clinker, and there is no apparent time intervals between initial set and final set, that is, initial set and final set is not present, once
Condensation is final set.It can be applied to military repairing fortification, concrete rapid shaping and have precise requirements to setting time
Concrete works are built.
Specific embodiment：
Embodiment 1
It is formed substantially includes following components by weight percent：
Preparation method is：By the calcium carbonate of aforementioned proportion, sodium carbonate, sodium bicarbonate, aerosil, copper oxide and
Zinc oxide mixes, common levigate to 300 ± 10m2/ kg, you can obtain adjustable solidification agent a.
Embodiment 2
It is formed substantially includes following components by weight：
Preparation method is：By the calcium carbonate of aforementioned proportion, sodium carbonate, sodium bicarbonate, aerosil, copper oxide and
Zinc oxide mixes, common levigate to 300 ± 10m2/ kg, you can obtain adjustable solidification agent b.
Embodiment 3
It is formed substantially includes following components by weight：
Preparation method is：By the calcium carbonate of aforementioned proportion, sodium carbonate, sodium bicarbonate, aerosil, copper oxide and
Zinc oxide mixes, common levigate to 300 ± 10m2/ kg, you can obtain adjustable solidification agent c.
Embodiment 4
It is formed substantially includes following components by weight：
Preparation method is：By the calcium carbonate of aforementioned proportion, sodium carbonate, sodium bicarbonate, aerosil, copper oxide and
Zinc oxide mixes, common levigate to 300 ± 10m2/ kg, you can obtain adjustable solidification agent d.
Application examples 1
It is formed substantially includes following components by weight：
Portland clinker 95%
Adjustable solidification agent a 5%
Preparation method：Mixed using the adjustable solidification agent a of the gained of above-described embodiment 1 with Portland clinker, it is levigate extremely
400±10m2/ kg adds in water/cement quality than the water for 0.3, and presetting period of cement is 40min, and cement
Initial set be separated by no more than 5min with final setting time.
Application examples 2
It is formed substantially includes following components by weight：
Portland clinker 95%
Adjustable solidification agent b 5%
Preparation method：Mixed using the adjustable solidification agent b of the gained of above-described embodiment 2 with Portland clinker, it is levigate extremely
400±10m2/ kg adds in water/cement quality than the water for 0.3, and jelling time is in 30min, and cement
Initial set is separated by with final setting time no more than 5min.
Application examples 3
It is formed substantially includes following components by weight：
Portland clinker 95%
Adjustable solidification agent c 5%
Preparation method：Mixed using the adjustable solidification agent c of the gained of above-described embodiment 3 with Portland clinker, it is levigate extremely
400±10m2/ kg adds in water/cement quality than the water for 0.3, and jelling time is in 25min, and cement
Initial set is separated by with final setting time no more than 5min.
Application examples 4
It is formed substantially includes following components by weight：
Portland clinker 95%
Adjustable solidification agent d 5%
Preparation method：Mixed using the adjustable solidification agent d of the gained of above-described embodiment 4 with Portland clinker, it is levigate extremely
400±10m2/ kg adds in water/cement quality than the water for 0.3, and jelling time is in 10min, and cement
Initial set is separated by with final setting time no more than 5min.
Comparative example 1
It is formed substantially includes following components by weight：
Portland clinker 95%
Dihydrate gypsum (conventional adjustable solidification agent) 5%
Preparation method：Dihydrate gypsum is mixed with Portland clinker, it is levigate to 400 ± 10m2/ kg adds in water/water
Mud mass ratio be 0.3 water, jelling time 90min, final setting time 150min.
From above-described embodiment and contrast test data can be seen that the present invention using the calcium carbonate of different proportion, sodium carbonate,
Sodium bicarbonate, aerosil, copper oxide and zinc oxide mixing, levigate to obtain adjustable solidification agent, which coagulates than conventional adjust
Agent has the advantages that accurately control the presetting period, and controllable setting time is in 5min~1h, and the initial set of cement and final setting time phase
Every no more than 5min.
Claims (5)
1. a kind of adjustable solidification agent that can accurately adjust Portland clinker setting time, it is characterised in that it is formed substantially by quality
Percentage includes following components：
2. the preparation method of adjustable solidification agent described in claim 1, it is characterised in that by calcium carbonate, sodium carbonate, sodium bicarbonate, dioxy
SiClx aeroge, copper oxide and zinc oxide mixing, it is common levigate to 300 ± 10m2/ kg is to get to adjustable solidification agent.
3. the application of adjustable solidification agent described in claim 1, it is characterised in that it uses it in Portland clinker, it can be according to building
The actual needs of fortification is constructed, realizes the accurate regulation and control to setting time of cement clinker.
4. the application of adjustable solidification agent according to claim 3, it is characterised in that the quality of adjustable solidification agent and Portland clinker
Percentage is respectively 0.1~10%, 90~99%.
5. the application of adjustable solidification agent according to claim 4, it is characterised in that the adjustable solidification agent and portland cement is ripe
Material mixing, it is common levigate to 400 ± 10m2/ kg adds in water/cement quality than the water for 0.3, realizes cement initial set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416265.9A CN106082744B (en) | 2016-06-15 | 2016-06-15 | A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416265.9A CN106082744B (en) | 2016-06-15 | 2016-06-15 | A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106082744A CN106082744A (en) | 2016-11-09 |
| CN106082744B true CN106082744B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610416265.9A Active CN106082744B (en) | 2016-06-15 | 2016-06-15 | A kind of adjustable solidification agent that can accurately adjust Portland clinker setting time |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095854B (en) * | 2018-08-31 | 2021-08-10 | 桐乡市羔羊水泥有限公司 | Retarded cement mixture and preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478750A (en) * | 2003-06-30 | 2004-03-03 | 徐州华泰混凝土外加剂厂 | Jet concrete fast hardening agent |
| CN1621381A (en) * | 2003-11-28 | 2005-06-01 | 王衡 | Non-alkali accelerator for concrete preparation |
| WO2008056716A1 (en) * | 2006-11-09 | 2008-05-15 | Denki Kagaku Kogyo Kabushiki Kaisha | Set accelerator and technique for spraying with the same |
| CN104108909A (en) * | 2014-07-21 | 2014-10-22 | 河北凝盛环保科技有限公司 | Ultra-high water quick-setting sea reclamation material and construction method thereof |
| CN105621920A (en) * | 2014-10-26 | 2016-06-01 | 武汉鸿信通科技有限公司 | Cement setting accelerator |
-
2016
- 2016-06-15 CN CN201610416265.9A patent/CN106082744B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478750A (en) * | 2003-06-30 | 2004-03-03 | 徐州华泰混凝土外加剂厂 | Jet concrete fast hardening agent |
| CN1621381A (en) * | 2003-11-28 | 2005-06-01 | 王衡 | Non-alkali accelerator for concrete preparation |
| WO2008056716A1 (en) * | 2006-11-09 | 2008-05-15 | Denki Kagaku Kogyo Kabushiki Kaisha | Set accelerator and technique for spraying with the same |
| CN104108909A (en) * | 2014-07-21 | 2014-10-22 | 河北凝盛环保科技有限公司 | Ultra-high water quick-setting sea reclamation material and construction method thereof |
| CN105621920A (en) * | 2014-10-26 | 2016-06-01 | 武汉鸿信通科技有限公司 | Cement setting accelerator |
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| Publication number | Publication date |
|---|---|
| CN106082744A (en) | 2016-11-09 |
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