CN106746840A - A kind of cement grinding aid - Google Patents
A kind of cement grinding aid Download PDFInfo
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- CN106746840A CN106746840A CN201510804974.XA CN201510804974A CN106746840A CN 106746840 A CN106746840 A CN 106746840A CN 201510804974 A CN201510804974 A CN 201510804974A CN 106746840 A CN106746840 A CN 106746840A
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Abstract
The invention discloses a kind of cement grinding aid, raw material by weight includes:Hexadecanol 1-3 parts, ethylene glycol 1-3 parts, glycerine 1-3 parts, ethyl acetate 1-3 parts, stearic acid 11-15 parts, zeolite powder 15-25 parts, linseed oil 1-4 parts, 1-4 parts, sucrose 3-5 parts of silica nanometer powder.Raw material of the present invention is easy to get, non-volatile, and without dirt evil, processing prepares simple, with low cost, improves fine particle content in cement, improves grinding aid efficiency, reduces production cost, has saved power consumption;Also improve enhancing effect simultaneously.
Description
Technical field
The present invention relates to a kind of cement additive, specifically a kind of cement grinding aid.
Background technology
Current China manufacture of cement is generally divided into three steps, prepares raw material, calcination of chamotte, pulverizing cement.Wherein electric energy more than 95% is all wasted because changing into heat energy during pulverizing cement;When cement grinding attenuates, easy adhesive aggregation is agglomerating simultaneously reduces mill efficiency.In order to improve cement grinding efficiency, power consumption in cement pulverizing course is reduced, increase the addition content of mixing material, so as to reduce cement cost, typically to add cement grinding aid.
The grinding aid produced on present society, though there is grinding aid function, more is to play a part of excited cement mixing material lateral reactivity, the grinding aid for being exclusively used in clinker grinding is not produced, although the addition content of mixing material can be increased, reduces cost can influence cement later strength;And the cement grinding aid of function admirable is relatively costly, wherein most is again that small organic molecule is mixed, the less stable of this kind of grinding aid, using effect fluctuation is larger, and applicable surface is narrower.Usually need to increase the consumption of grinding aid to improve yield, improve manufacture of cement cost.The existing grinding aid of China still suffers from many problems in use, and such as villaumite brings very big potential safety hazard to the durability of cement and concrete;Grinding aid quality is unstable, and volume is big, so as to cause cement quality fluctuation etc..
The content of the invention
It is an object of the invention to provide a kind of cement grinding aid, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of cement grinding aid, raw material by weight includes:Hexadecanol 1-3 parts, ethylene glycol 1-3 parts, glycerine 1-3 parts, ethyl acetate 1-3 parts, stearic acid 11-15 parts, zeolite powder 15-25 parts, linseed oil 1-4 parts, 1-4 parts, sucrose 3-5 parts of silica nanometer powder.
As further scheme of the invention:Raw material by weight includes:2 parts of hexadecanol, 2 parts of ethylene glycol, 2 parts of glycerine, 2 parts of ethyl acetate, 13 parts of stearic acid, 20 parts of zeolite powder, 2.5 parts of linseed oil, 2.5 parts of silica nanometer powder, 4 parts of sucrose.
Compared with prior art, the beneficial effects of the invention are as follows:Raw material is easy to get, non-volatile, and without dirt evil, processing prepares simple, with low cost, improves fine particle content in cement, improves grinding aid efficiency, reduces production cost, has saved power consumption;Also improve enhancing effect simultaneously.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of cement grinding aid, raw material by weight includes:1 part of hexadecanol, 1 part of ethylene glycol, 1 part of glycerine, 1 part of ethyl acetate, 11 parts of stearic acid, 15 parts of zeolite powder, 1 part of linseed oil, 1 part of silica nanometer powder, 3 parts of sucrose.
The powder grinding aid that pulverizing cement clinker is exclusively used in the present invention uses customary preparation methods, mixes above-mentioned each raw material by formulation ratio, stirs and obtains final product powder grinding aid.
In by 0.40% volume addition clinker, rupture strength improves 3MPa within 3 days, and compression strength improves 3.6MP, reaches the effect saved power consumption, improve powder efficient utilization.
Embodiment 2
A kind of cement grinding aid, raw material by weight includes:2 parts of hexadecanol, 2 parts of ethylene glycol, 2 parts of glycerine, 2 parts of ethyl acetate, 13 parts of stearic acid, 20 parts of zeolite powder, 2.5 parts of linseed oil, 2.5 parts of silica nanometer powder, 4 parts of sucrose.
The powder grinding aid that pulverizing cement clinker is exclusively used in the present invention uses customary preparation methods, mixes above-mentioned each raw material by formulation ratio, stirs and obtains final product powder grinding aid.
In by 0.45% volume addition clinker, rupture strength improves 3.1MPa within 3 days, and compression strength improves 3.8MP, reaches the effect saved power consumption, improve powder efficient utilization.
Embodiment 3
A kind of cement grinding aid, raw material by weight includes:3 parts of hexadecanol, 3 parts of ethylene glycol, 3 parts of glycerine, 3 parts of ethyl acetate, 15 parts of stearic acid, 25 parts of zeolite powder, 4 parts of linseed oil, 4 parts of silica nanometer powder, 5 parts of sucrose.
The powder grinding aid that pulverizing cement clinker is exclusively used in the present invention uses customary preparation methods, mixes above-mentioned each raw material by formulation ratio, stirs and obtains final product powder grinding aid.
In by 0.50% volume addition clinker, rupture strength improves 3.2MPa within 3 days, and compression strength improves 3.5MP, reaches the effect saved power consumption, improve powder efficient utilization.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned implementation method, in the ken that one skilled in the relevant art possesses, can also be made a variety of changes on the premise of this patent objective is not departed from.
Claims (2)
1. a kind of cement grinding aid, it is characterised in that raw material by weight includes:Hexadecanol 1-3 parts, ethylene glycol 1-3 parts, glycerine 1-3 parts, ethyl acetate 1-3 parts, stearic acid 11-15 parts, zeolite powder 15-25 parts, linseed oil 1-4 parts, 1-4 parts, sucrose 3-5 parts of silica nanometer powder.
2. cement grinding aid according to claim 1, it is characterised in that raw material by weight includes:2 parts of hexadecanol, 2 parts of ethylene glycol, 2 parts of glycerine, 2 parts of ethyl acetate, 13 parts of stearic acid, 20 parts of zeolite powder, 2.5 parts of linseed oil, 2.5 parts of silica nanometer powder, 4 parts of sucrose.
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CN201510804974.XA CN106746840A (en) | 2015-11-20 | 2015-11-20 | A kind of cement grinding aid |
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CN201510804974.XA CN106746840A (en) | 2015-11-20 | 2015-11-20 | A kind of cement grinding aid |
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CN106746840A true CN106746840A (en) | 2017-05-31 |
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CN201510804974.XA Pending CN106746840A (en) | 2015-11-20 | 2015-11-20 | A kind of cement grinding aid |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108863152A (en) * | 2018-07-01 | 2018-11-23 | 王新民 | A kind of cement grinding aid and preparation method thereof |
CN115557724A (en) * | 2022-09-27 | 2023-01-03 | 华润水泥技术研发(广西)有限公司 | Preparation method and application of grinding aid special for white cement |
Citations (4)
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---|---|---|---|---|
CN103570266A (en) * | 2013-10-23 | 2014-02-12 | 沈阳建筑大学 | Powder grinding aid special for grinding cement clinker |
CN103641367A (en) * | 2013-12-23 | 2014-03-19 | 济南大学 | Compound cement grinding aid and preparation method thereof |
CN104355562A (en) * | 2014-09-28 | 2015-02-18 | 山东宏艺科技股份有限公司 | Cement grinding aid and preparation method thereof |
CN104891845A (en) * | 2015-05-27 | 2015-09-09 | 湖州华仑助剂科技有限公司 | Cement grinding aid |
-
2015
- 2015-11-20 CN CN201510804974.XA patent/CN106746840A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103570266A (en) * | 2013-10-23 | 2014-02-12 | 沈阳建筑大学 | Powder grinding aid special for grinding cement clinker |
CN103641367A (en) * | 2013-12-23 | 2014-03-19 | 济南大学 | Compound cement grinding aid and preparation method thereof |
CN104355562A (en) * | 2014-09-28 | 2015-02-18 | 山东宏艺科技股份有限公司 | Cement grinding aid and preparation method thereof |
CN104891845A (en) * | 2015-05-27 | 2015-09-09 | 湖州华仑助剂科技有限公司 | Cement grinding aid |
Non-Patent Citations (2)
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张伟等: ""单组分助磨剂对水泥性能的影响"", 《水泥》 * |
李东光: "《水泥混凝土外加剂配方与制备》", 31 January 2011 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108863152A (en) * | 2018-07-01 | 2018-11-23 | 王新民 | A kind of cement grinding aid and preparation method thereof |
CN115557724A (en) * | 2022-09-27 | 2023-01-03 | 华润水泥技术研发(广西)有限公司 | Preparation method and application of grinding aid special for white cement |
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