CN106082744A - A kind of adjustable solidification agent that can accurately regulate Portland clinker setting time - Google Patents
A kind of adjustable solidification agent that can accurately regulate Portland clinker setting time Download PDFInfo
- Publication number
- CN106082744A CN106082744A CN201610416265.9A CN201610416265A CN106082744A CN 106082744 A CN106082744 A CN 106082744A CN 201610416265 A CN201610416265 A CN 201610416265A CN 106082744 A CN106082744 A CN 106082744A
- Authority
- CN
- China
- Prior art keywords
- solidification agent
- adjustable solidification
- setting time
- portland clinker
- 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.)
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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 regulate Portland clinker setting time of the present invention, it substantially forms and includes following components by weight percent: calcium carbonate 15～40%, sodium carbonate 20～35%, sodium acid carbonate 20～35%, aerosil 5～25%, cupric oxide 1～10%, zinc oxide 1～10%.The present invention uses one or more mixtures in calcium carbonate, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide, zinc oxide as the adjustable solidification agent component of clinker, obtained adjustable solidification agent can accurately regulate the setting time of Portland clinker, and between initial set and final set, there is not obvious time interval, i.e. there is not initial set and final set, once condensing is i.e. final set.Can apply to military repairing fortification, concrete rapid shaping and have to setting time the concrete works of precise requirements to build.
Description
Technical field
The invention belongs to building material field, specifically a kind of tune that can accurately regulate Portland clinker setting time
Solidifying agent and the preparation method of controlled cement setting time thereof.
Background technology
Adjustable solidification agent is the additive of regulation cement and concrete coagulating time.The process that can improve concrete hardening 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. some in particular cases, need a kind of can be at the time point of engine request
Producing the concrete of hardening, for example some engine request is at 15min, or 20min, or water during correct time point such as during 40min
Mud produces solidification, and existing cement adjustable solidification agent can not meet this special engineering demand.Patent CN 104817301 A describes
A kind of for emulsified asphalt slurry controllable method for preparing setting time, this invention uses primary desulfurated plaster and calcareous material and silicon
Aluminum material mixes and prepares.Patent CN 104058623 A describes one calcium nitrate, tartaric acid, citric acid, amino three
The mixture of methylene phosphonic acid is as the adjustable solidification agent of cement, and the purpose of this patent is to reduce the water requirement of hydrated cementitious, thus can
The shrinkage cracking producing when reducing hardening of cement.Have no at present and can accurately regulate and control the adjustable solidification agent of setting time of cement clinker and coagulate
Tie the report of controlled cement preparation method, and this is highly important to military affairs repairing and concrete XPRS project.
Content of the invention
Goal of the invention: for deficiency of the prior art, the invention provides one can accurately regulate portland cement coagulate
The adjustable solidification agent of knot time.
Technical scheme: a kind of adjustable solidification agent that can accurately regulate Portland clinker setting time of the present invention, its
Basic composition includes following components by weight percent:
It is further preferred that adjustable solidification agent of the present invention its substantially form and include following components by weight percent:
Present invention also offers the preparation method of above-mentioned adjustable solidification agent, by calcium carbonate, sodium carbonate, sodium acid carbonate, silica
Aeroge, cupric oxide and zinc oxide mixing, jointly levigate to 300 ± 10m2/ kg, i.e. obtains adjustable solidification agent.
Present invention also offers the application of adjustable solidification agent, use it in Portland clinker, it is achieved cement initial set.
Concrete, application of the present invention, the mass ratio of Portland clinker and adjustable solidification agent is respectively 0.1～
10%；90～99%.
Concrete application process is: mix described adjustable solidification agent with Portland clinker, jointly levigate to 400 ±
10m2/ kg, add water/cement quality than for 0.3 water, it is achieved cement initial set.
Beneficial effect: the present invention uses calcium carbonate, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide, oxidation
One or more mixtures in zinc can accurately regulate silicate as the adjustable solidification agent component of clinker, obtained adjustable solidification agent
The setting time of clinker, and between initial set and final set, there is not obvious time interval, i.e. there is not initial set and final set, once
Condensing is i.e. final set.Can apply to military repairing fortification, concrete rapid shaping and precise requirements is had to setting time
Concrete works is built.
Detailed description of the invention:
Embodiment 1
It substantially forms and includes following components by weight percent:
Preparation method is: by the calcium carbonate of aforementioned proportion, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide and
Zinc oxide mixes, jointly levigate to 300 ± 10m2/ kg, i.e. can get adjustable solidification agent a.
Embodiment 2
It substantially forms and includes following components by weight:
Preparation method is: by the calcium carbonate of aforementioned proportion, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide and
Zinc oxide mixes, jointly levigate to 300 ± 10m2/ kg, i.e. can get adjustable solidification agent b.
Embodiment 3
It substantially forms and includes following components by weight:
Preparation method is: by the calcium carbonate of aforementioned proportion, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide and
Zinc oxide mixes, jointly levigate to 300 ± 10m2/ kg, i.e. can get adjustable solidification agent c.
Embodiment 4
It substantially forms and includes following components by weight:
Preparation method is: by the calcium carbonate of aforementioned proportion, sodium carbonate, sodium acid carbonate, aerosil, cupric oxide and
Zinc oxide mixes, jointly levigate to 300 ± 10m2/ kg, i.e. can get adjustable solidification agent d.
Application examples 1
It substantially forms and includes following components by weight:
Portland clinker 95%
Adjustable solidification agent a 5%
Preparation method: use the adjustable solidification agent a of above-described embodiment 1 gained to mix with Portland clinker, levigate to 400 ±
10m2/ kg, add water/cement quality than for 0.3 water, the presetting period of cement is 40min, and when the initial set of cement and final set
Between be separated by less than 5min.
Application examples 2
It substantially forms and includes following components by weight:
Portland clinker 95%
Adjustable solidification agent b 5%
Preparation method: use the adjustable solidification agent b of above-described embodiment 2 gained to mix with Portland clinker, levigate to 400 ±
10m2/ kg, add water/cement quality than for 0.3 water, jelling time is at 30min, and the initial set of cement and final setting time
It is separated by less than 5min.
Application examples 3
It substantially forms and includes following components by weight:
Portland clinker 95%
Adjustable solidification agent c 5%
Preparation method: use the adjustable solidification agent c of above-described embodiment 3 gained to mix with Portland clinker, levigate to 400 ±
10m2/ kg, add water/cement quality than for 0.3 water, jelling time is at 25min, and the initial set of cement and final setting time
It is separated by less than 5min.
Application examples 4
It substantially forms and includes following components by weight:
Portland clinker 95%
Adjustable solidification agent d 5%
Preparation method: use the adjustable solidification agent d of above-described embodiment 4 gained to mix with Portland clinker, levigate to 400 ±
10m2/ kg, add water/cement quality than for 0.3 water, jelling time is at 10min, and the initial set of cement and final setting time
It is separated by less than 5min.
Comparative example 1
It substantially forms and includes following components by weight:
Portland clinker 95%
Dihydrate gypsum (conventional adjustable solidification agent) 5%
Preparation method: dihydrate gypsum is mixed with Portland clinker, levigate to 400 ± 10m2/ kg, adds water/water
Mud mass ratio is the water of 0.3, and jelling time is 90min, and final setting time is 150min.
From above-described embodiment and contrast test data it can be seen that the present invention use the calcium carbonate of different proportion, sodium carbonate,
Sodium acid carbonate, aerosil, cupric oxide and zinc oxide mixing, levigate obtain adjustable solidification agent, and this adjustable solidification agent is adjusted solidifying than routine
Agent has the advantage accurately controlling the presetting period, and controlled setting time is at 5min～1h, and the initial set of cement and final setting time phase
Every less than 5min.
Claims (6)
1. the adjustable solidification agent that can accurately regulate Portland clinker setting time, it is characterised in that it forms substantially by quality
Percentage includes following components:
2. adjustable solidification agent according to claim 1, it is characterised in that it substantially forms and includes following components by weight percent:
3. the preparation method of the adjustable solidification agent described in claim 1, it is characterised in that by calcium carbonate, sodium carbonate, sodium acid carbonate, dioxy
SiClx aeroge, cupric oxide and zinc oxide mixing, jointly levigate to 300 ± 10m2/ kg, i.e. obtains adjustable solidification agent.
4. the application of the adjustable solidification agent described in claim 1, it is characterised in that use it in Portland clinker, can be according to building
Construct being actually needed of fortification, it is achieved the accurate regulation and control to setting time of cement clinker.
5. the application of adjustable solidification agent according to claim 4, it is characterised in that the quality of Portland clinker and adjustable solidification agent
Ratio respectively 0.1～10%；90～99%.
6. the application of adjustable solidification agent according to claim 5, it is characterised in that by ripe to described adjustable solidification agent and portland cement
Material mixing, jointly levigate to 400 ± 10m2/ kg, add water/cement quality than for 0.3 water, it is achieved 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 true CN106082744A (en) | 2016-11-09 |
| CN106082744B CN106082744B (en) | 2018-06-29 |
Family
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Family Applications (1)
| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095854A (en) * | 2018-08-31 | 2018-12-28 | 桐乡市羔羊水泥有限公司 | A kind of slow setting cement mixture and its preparation process |
Citations (5)
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|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 黄玉媛等: "《精细化学品实用配方手册》", 31 January 2009 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095854A (en) * | 2018-08-31 | 2018-12-28 | 桐乡市羔羊水泥有限公司 | A kind of slow setting cement mixture and its preparation process |
Also Published As
| Publication number | Publication date |
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| CN106082744B (en) | 2018-06-29 |
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