CN109020294A - A kind of novel liquid cement grinding aid and preparation method thereof - Google Patents
A kind of novel liquid cement grinding aid and preparation method thereof Download PDFInfo
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- CN109020294A CN109020294A CN201811141675.2A CN201811141675A CN109020294A CN 109020294 A CN109020294 A CN 109020294A CN 201811141675 A CN201811141675 A CN 201811141675A CN 109020294 A CN109020294 A CN 109020294A
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- China
- Prior art keywords
- cement grinding
- grinding aid
- liquid cement
- novel liquid
- ethylene glycol
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention discloses a kind of novel liquid cement grinding aids and preparation method thereof, novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 30-55, triethanolamine 10-30, ethylene glycol 5-25, Ammoniom-Acetate 5-20, urea 15-35, high efficiency water reducing agent 2-5, unsaturated polyester (UP) resin 2-7, fluorinated surfactant 1-5.The liquid cement grinding additive that the present invention is prepared has good grinding-aid effect, can improve the cement output in the unit time, reduce the power consumption of specific yield, meets the requirement of industry energy conservation and environmental protection.
Description
Technical field
The present invention relates to cement grinding technical field, specifically a kind of novel liquid cement grinding aid and preparation method thereof.
Background technique
Cement grinding aid can reduce manufacture of cement cost, improve manufacture of cement efficiency, increase cement output, improve hydraulicity
Energy, quality and the operability for improving cement production process etc..It has been widely used in foreign countries.China is manufacture of cement big country, is accounted for
60% or more world's cement output, the research and development of cement grinding aid is very fast.In the ball milling process of manufacture of cement, material it
Between, the friction between material and steel ball can make material with electrostatic, so that material is adsorbed on steel ball surface, cause bag ball phenomenon, drop
Low mill efficiency declines cement output and quality, and the power consumption of unit cement output increases.It is had for elimination material quiet
Electricity needs to add cement grinding aid into material in the mechanical milling process of manufacture of cement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel liquid cement grinding aids and preparation method thereof, are prepared into
The liquid cement grinding additive arrived has good grinding-aid effect, can improve the cement output in the unit time, reduces specific yield
Power consumption, meet industry energy conservation and environmental protection requirement.
The technical solution of the present invention is as follows:
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 30-55,
Triethanolamine 10-30, ethylene glycol 5-25, Ammoniom-Acetate 5-20, urea 15-35, high efficiency water reducing agent 2-5, unsaturated polyester (UP) resin 2-
7, fluorinated surfactant 1-5.
The spent pulping liquor is industry pulp waste liquid.
The ethylene glycol is technical grade ethylene glycol.
The high efficiency water reducing agent selects high-efficiency water-reducing agent of poly-carboxylic acid.
The unsaturated polyester (UP) resin selects adjacent benzene-type unsaturated polyester (UP) or metaphenylene unsaturated polyester (UP).
A kind of preparation method of novel liquid cement grinding aid, has specifically included following steps:
(1), the selection of raw material: by mass parts shared by each raw material than weighing spent pulping liquor, triethanolamine, ethylene glycol, acetic acid
Amine, urea, high efficiency water reducing agent, unsaturated polyester (UP) resin and fluorinated surfactant raw material, it is spare；
(2), under 20 to 30 degrees celsius, the contaminant filter in spent pulping liquor is fallen first, three ethyl alcohol are then added
Amine is uniformly mixed, and adds Ammoniom-Acetate, urea and high efficiency water reducing agent, is homogenized 20 to 30 minutes, finally add ethylene glycol,
Unsaturated polyester (UP) resin and fluorinated surfactant and be uniformly mixed mixed solution is liquid cement grinding additive.
The volume of the liquid cement grinding additive accounts for the 0.005%-0.02% of cement grinding material total weight, liquid water
The addition manner of cement grinding aids is to be sprayed into cement mill by high-efficiency atomizer.
Advantages of the present invention:
(1), cement output is improved: it is fewer than existing product dosage under same working condition, in cement production process, this
When invention incorporation is the 0.005%-0.02% of cement grinding material, cement output can be made to improve 15-30%.
(2), it improves cement quality: when guaranteeing same cement output, the screen over-size of mill cement can be greatly lowered out, increase
Add specific surface area, increases by 3 days intensity of cement by 2-4Mpa, intensity increases 2-5Mpa within 28 days.
(3), it saves electric energy: after fluid present invention cement grinding aid is added, can averagely be reduced when producing finished cement per ton
Power consumption 2-6 degree.
(4), increase cement fluidity: fluid present invention cement grinding aid, which is added, can increase cement fluidity, be conducive to give birth to
The conveying of cement during production avoids cement knot arch.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 40, three second
Hydramine 15, ethylene glycol 10, Ammoniom-Acetate 9, urea 18, high efficiency water reducing agent 3, unsaturated polyester (UP) resin 3, fluorinated surfactant 2；Its
In, spent pulping liquor is industry pulp waste liquid, and ethylene glycol is technical grade ethylene glycol, and high efficiency water reducing agent selects the efficient diminishing of polycarboxylic acids
Agent, unsaturated polyester (UP) resin select adjacent benzene-type unsaturated polyester (UP) or metaphenylene unsaturated polyester (UP).
A kind of preparation method of novel liquid cement grinding aid, has specifically included following steps:
(1), the selection of raw material: by mass parts shared by each raw material than weighing spent pulping liquor, triethanolamine, ethylene glycol, acetic acid
Amine, urea, high efficiency water reducing agent, unsaturated polyester (UP) resin and fluorinated surfactant raw material, it is spare；
(2), at 30 DEG C, the contaminant filter in spent pulping liquor is fallen first, triethanolamine is then added and is stirred
It is even, add Ammoniom-Acetate, urea and high efficiency water reducing agent, be homogenized 30 minutes, finally add ethylene glycol, unsaturated polyester (UP) resin and
Fluorinated surfactant is simultaneously uniformly mixed to obtain mixed solution, and mixed solution storage, which is parked 24 hours, is made liquid cement grinding aid
Agent.
Embodiment 2
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 39, three second
Hydramine 18, ethylene glycol 8, Ammoniom-Acetate 7, urea 18, high efficiency water reducing agent 3, unsaturated polyester (UP) resin 4, fluorinated surfactant 3.Preparation
Method is the same as embodiment 1.
Embodiment 3
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 32, three second
Hydramine 22, ethylene glycol 7, Ammoniom-Acetate 9, urea 17, high efficiency water reducing agent 4, unsaturated polyester (UP) resin 5, fluorinated surfactant 4.Preparation
Method is the same as embodiment 1.
Embodiment 4
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 30, three second
Hydramine 16, ethylene glycol 12, Ammoniom-Acetate 6, urea 23, high efficiency water reducing agent 2, unsaturated polyester (UP) resin 6, fluorinated surfactant 5.Preparation
Method is the same as embodiment 1.
Embodiment 5
A kind of novel liquid cement grinding aid is to be prepared by following components by mass parts ratio: spent pulping liquor 35, three second
Hydramine 11, ethylene glycol 14, Ammoniom-Acetate 6, urea 22, high efficiency water reducing agent 3, unsaturated polyester (UP) resin 7, fluorinated surfactant 2.Preparation
Method is the same as embodiment 1.
This hair embodiment 1-5 liquid cement grinding additive being prepared is sprayed into cement mill by high-efficiency atomizer
It is interior, wherein the volume of liquid cement grinding additive accounts for the 0.005%-0.02% of cement grinding material total weight.
Comparative example: cement grinding material is directly added in cement mill and produces water by not adding liquid cement grinding aid
Mud.
Embodiment 1-5 is prepared into the parameter of 1 ton of cement and comparative example does not add the parameter that cement grinding aid prepares 1 ton of cement
The following table 1 is made:
From table 1, the liquid cement grinding additive that the present invention is prepared can effectively reduce screen over-size in preparing cement
And electricity consumption, and the anti-folding of cement and compression strength that prepare are higher, specific surface area significantly improves, and mobility is more preferable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of novel liquid cement grinding aid, it is characterised in that: be to be prepared by following components by mass parts ratio: paper pulp is useless
Liquid 30-55, triethanolamine 10-30, ethylene glycol 5-25, Ammoniom-Acetate 5-20, urea 15-35, high efficiency water reducing agent 2-5, unsaturation are poly-
Ester resin 2-7, fluorinated surfactant 1-5.
2. a kind of novel liquid cement grinding aid according to claim 1, it is characterised in that: the spent pulping liquor is work
Industry spent pulping liquor.
3. a kind of novel liquid cement grinding aid according to claim 1, it is characterised in that: the ethylene glycol is industry
Grade ethylene glycol.
4. a kind of novel liquid cement grinding aid according to claim 1, it is characterised in that: the high efficiency water reducing agent choosing
Use high-efficiency water-reducing agent of poly-carboxylic acid.
5. a kind of novel liquid cement grinding aid according to claim 1, it is characterised in that: the unsaturated polyester (UP) tree
Ester selects adjacent benzene-type unsaturated polyester (UP) or metaphenylene unsaturated polyester (UP).
6. a kind of preparation method of novel liquid cement grinding aid according to claim 1, it is characterised in that: specifically include
There are following steps:
(1), the selection of raw material: by mass parts shared by each raw material than weighing spent pulping liquor, triethanolamine, ethylene glycol, Ammoniom-Acetate, urine
Element, high efficiency water reducing agent, unsaturated polyester (UP) resin and fluorinated surfactant raw material, it is spare；
(2), under 20 to 30 degrees celsius, the contaminant filter in spent pulping liquor is fallen first, triethanolamine is then added and stirs
It mixes uniformly mixed, adds Ammoniom-Acetate, urea and high efficiency water reducing agent, be homogenized 20 to 30 minutes, finally add ethylene glycol, insatiable hunger
With polyester resin and fluorinated surfactant and be uniformly mixed mixed solution is liquid cement grinding additive.
7. a kind of preparation method of novel liquid cement grinding aid according to claim 6, it is characterised in that: the liquid
The volume of body cement grinding aid accounts for the 0.005%-0.02% of cement grinding material total weight, the addition manner of liquid cement grinding additive
To be sprayed into cement mill by high-efficiency atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141675.2A CN109020294A (en) | 2018-09-28 | 2018-09-28 | A kind of novel liquid cement grinding aid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141675.2A CN109020294A (en) | 2018-09-28 | 2018-09-28 | A kind of novel liquid cement grinding aid and preparation method thereof |
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| CN109020294A true CN109020294A (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704626A (en) * | 2019-01-07 | 2019-05-03 | 湖南辰砾新材料有限公司 | The poly-carboxylic-acid cement grinding aid and preparation method thereof that Organic fluoride modifying glycol amine replaces |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858014A (en) * | 2006-01-04 | 2006-11-08 | 胡佩龙 | Cement grinding aids |
| KR100650175B1 (en) * | 2005-04-02 | 2006-11-27 | 케이지케미칼 주식회사 | Grinding aid for minuteness shatter of mineral |
| CN108328957A (en) * | 2018-04-13 | 2018-07-27 | 江西万年青工程有限公司 | A kind of cement grinding aid |
-
2018
- 2018-09-28 CN CN201811141675.2A patent/CN109020294A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100650175B1 (en) * | 2005-04-02 | 2006-11-27 | 케이지케미칼 주식회사 | Grinding aid for minuteness shatter of mineral |
| CN1858014A (en) * | 2006-01-04 | 2006-11-08 | 胡佩龙 | Cement grinding aids |
| CN108328957A (en) * | 2018-04-13 | 2018-07-27 | 江西万年青工程有限公司 | A kind of cement grinding aid |
Non-Patent Citations (1)
| Title |
|---|
| 宋虎堂主编: "《精细化工工艺实训技术》", 30 September 2008, 天津大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704626A (en) * | 2019-01-07 | 2019-05-03 | 湖南辰砾新材料有限公司 | The poly-carboxylic-acid cement grinding aid and preparation method thereof that Organic fluoride modifying glycol amine replaces |
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