CN1156699A - Mixed mortar cementitious material and its producing method - Google Patents
Mixed mortar cementitious material and its producing method Download PDFInfo
- Publication number
- CN1156699A CN1156699A CN96115079A CN96115079A CN1156699A CN 1156699 A CN1156699 A CN 1156699A CN 96115079 A CN96115079 A CN 96115079A CN 96115079 A CN96115079 A CN 96115079A CN 1156699 A CN1156699 A CN 1156699A
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- CN
- China
- Prior art keywords
- flyash
- gypsum
- cement clinker
- less
- mixed mortar
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A cementing material in the form of powder with granularity less than 70 microns contains powdered coal ash from thermal power plant using coal as fuel (52.75-84.25 Wt.%), cement clinker with strength higher than 50 MPa (15-45 wt%), and gypsum (0.75-2.25 wt%) through mixing and ball grinding. It can be used to make up mortar with strength of 2.5-17.5 MPa by mixing it with sand and water.
Description
The present invention relates to the composition of a kind of agglutination material of mixed mortar, particularly a kind of mixed mortar cementitious material.
In the prior art, the mixed mortar and the mixed mortar of plastering of building by laying bricks or stones for building, useful cement and lime putty are that agglutination material and sand and water mix.During the preparation mixed mortar, lime putty needs to add water cure more than seven days in liming tank with unslaked lime, becomes lime putty, pulls out then, just can be used for preparing mixed mortar, and it is very inconvenient that this agglutination material is prepared mixed mortar at the construction field (site).
The objective of the invention is to propose a kind of mixed mortar cementitious material easy to use in order to overcome above-mentioned deficiency.
The present invention is achieved using the following method.
This mixed mortar cementitious material is the solid fines end, the particle diameter of powder is less than 70 microns, the composition of mixed mortar cementitious material has: cement clinker, gypsum and flyash, cement clinker is the qualified cement clinker that the cement mill roasting goes out, the intensity of cement clinker is greater than 50MPa, flyash is the flyash that the electrostatic precipitator of coal-fired station's boiler captures, in the flyash, carbon content less than 8%, water-content less than 1%, sulfur trioxide content is less than 3.5%.The weight content that mixes each component in the mortar agglutination material is: cement clinker: 15～45%, gypsum: 0.75～2.25, flyash: 52.75～84.25%.
The method for making of this mixed mortar cementitious material is: get above-mentioned flyash, cement clinker and gypsum and put into grinding in ball grinder, flyash, cement clinker and gypsum are ground to form particle diameter less than 70 microns pressed powder, be mixed mortar cementitious material, during grinding, the weight content that makes cement clinker is 15～45%, the weight content of flyash is 52.75～84.25%, the weight content of gypsum is 0.75～2.25%.
Advantage of the present invention is: product of the present invention can be directly and sand and water be mixed and made into mixed mortar, so use easily at the construction field (site).
The invention will be further described below in conjunction with embodiment.
The starting material that preparation mixes the mortar agglutination material are: flyash, cement clinker and gypsum, flyash wherein is the flyash that the electrostatic precipitator of coal-fired station's boiler captures, in the flyash, carbon content: less than 8%, water-content: less than 1%, sulfur trioxide content: less than 3.5%, cement clinker is the qualified cement clinker that the cement mill roasting goes out, and its intensity is 50MPa.
Because mixing mortar for building need have different intensity in different occasions, the weight content of cement clinker, gypsum and flyash is also different in the required agglutination material of varying strength mixing mortar, so mix the weight content of cement clinker, gypsum and flyash in the mortar agglutination material be: 15%.0.75% and 84.25%, 20%, 1.00% and 79.00%, 25%, 1.25% and 73.75%, 30%, 1.50% and 68.50%, 35%, 1.75% and 63.25%, 40%, 2.00% and 58.00% or 45%, 2.25% and 52.75%.
The method for making of mixing the mortar agglutination material is: above-mentioned flyash, cement clinker and gypsum are placed on and wear into particle diameter in the ball mill is pressed powder below 70 microns, in the grinding, making the weight content of cement clinker in mixed mortar cementitious material is respectively 15%, 20%, 25%, 30%, 35%, 40% or 45%, the weight of gypsum is 5% of cement clinker weight, corresponding gypsum in mixing the mortar agglutination material weight content be respectively 0.75%, 1.00%, 1.25%, 1.50%, 1.75%, 2.00% or 2.25%, the corresponding weight content of flyash in mixed mortar cementitious material is respectively 84.25%, 79.00%, 73.75%, 68.50%, 63.25%, 58.00 or 52.75%.During with 350 kilograms of above-mentioned mixed mortar cementitious materials and sand and 1 cubic metre of mixed mortar of water preparation, because the weight content difference of cement clinker in the mixed mortar cementitious material, the intensity of the mixed mortar that is mixed with is also different, and the weight percentage of cement clinker with the relation of the intensity of the mixed mortar that is mixed with is in the mixed mortar cementitious material:
Cement clinker weight content mixed mortar intensity
15％ ≥2.5MPa
20％ ≥5.0MPa
25％ ≥7.5MPa
30％ ≥10.0MPa
35％ ≥12.5MPa
40％ ≥15.0MPa
45％ ≥17.5MPa。
Claims (4)
1. mixed mortar cementitious material is a particle diameter less than 70 microns pressed powder, it is characterized in that:
(1) moiety of mixed mortar cementitious material has:
(1.1) the cement mill roasting go out, intensity is greater than 50MPa, qualified cement clinker,
That the electrostatic precipitator of (1,2) coal-fired station's boiler captures, carbon content less than 8%, water-content less than 1%, sulfur trioxide content less than 3.5% flyash and
(1,3) gypsum
(2) above-mentioned cement clinker, gypsum and the flyash weight content in mixing the mortar agglutination material is: cement clinker: 15～45%, gypsum: 0.75～2.25%, flyash: 52.75～84.25%.
2. it is characterized in that by the described agglutination material of claim 1: the weight content of cement clinker, gypsum and flyash is in the described agglutination material: 15%, 0.75% and B4.25%, 20%, 1.00% and 79.00%, 25%, 1.25% and 73.75%, 30%, 1.50% and 68.50%, 35%, 1.75% and 63.25%, 40%, 2.00% and 58.00% or 45%, 2.25% and 52.75%.
3. the preparation method of the described agglutination material of claim 1 is characterized in that:
(1) the quiet fly-ash separator of coal-fired station's boiler capture, carbon content less than 8%, water-content less than 1%, sulfur trioxide content is less than 3.5% flyash,
(2) the cement mill roasting go out, intensity greater than 50MPa, qualified cement clinker and
(3) gypsum,
Become particle diameter less than 70 microns pressed powder in grinding in ball grinder, in the grinding, the weight content that makes flyash, cement clinker and gypsum is respectively 52.75～84.25%, 15～45% and 0.75～2.25%.
4, by the described method of claim 3, it is characterized in that: in the grinding, make the weight content of cement clinker, gypsum and flyash be: 15%, 0.75% and 84.25%, 20%, 1.00% and 79.00%, 25%, 1.25% and 73.75%, 30%, 1.50% and 68.5%, 35%, 1.75% and 63.25%, 40%, 2.00% and 58.00% or 45%, 2.25% and 52.75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115079A CN1156699A (en) | 1996-02-04 | 1996-02-04 | Mixed mortar cementitious material and its producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115079A CN1156699A (en) | 1996-02-04 | 1996-02-04 | Mixed mortar cementitious material and its producing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1156699A true CN1156699A (en) | 1997-08-13 |
Family
ID=5122372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96115079A Pending CN1156699A (en) | 1996-02-04 | 1996-02-04 | Mixed mortar cementitious material and its producing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1156699A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301929C (en) * | 2003-05-07 | 2007-02-28 | 河海大学 | Composite silt solidified material |
| CN1317216C (en) * | 2005-06-23 | 2007-05-23 | 牟同升 | Dedicated mortar for steaming and pressing fly ash brick and aerated concrete building block |
-
1996
- 1996-02-04 CN CN96115079A patent/CN1156699A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301929C (en) * | 2003-05-07 | 2007-02-28 | 河海大学 | Composite silt solidified material |
| CN1317216C (en) * | 2005-06-23 | 2007-05-23 | 牟同升 | Dedicated mortar for steaming and pressing fly ash brick and aerated concrete building block |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |