CN1277780C - Dry powder grout compound modifier - Google Patents
Dry powder grout compound modifier Download PDFInfo
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- CN1277780C CN1277780C CNB2004100417622A CN200410041762A CN1277780C CN 1277780 C CN1277780 C CN 1277780C CN B2004100417622 A CNB2004100417622 A CN B2004100417622A CN 200410041762 A CN200410041762 A CN 200410041762A CN 1277780 C CN1277780 C CN 1277780C
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- mass ratio
- surface area
- specific surface
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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
The present invention provides a dry powder grout compound modifier which relates to a modifier used for powder mortar, particularly to a dry powder grout compound modifier. The present invention comprises steel slag micro powder with specific surface area of (450 to 500) m2/kg, early strength excitant and a water retention thickening agent with specific surface area of (350 to 400) m2/kg and calcium carbonate powder with the specific surface area of (350 to 400) m2/kg, and a mass ratio of the three components is 1: (0.20 to 0.30): (0.18 to 0.22): (0.4 to 0.6). The early strength excitant comprises anhydrous sodium sulfate and alunite with a mass ratio of (0.15 to 0.25): (2 to 4), and the water retention thickening agent comprises polyacrylamide and lignin calcium with a mass ratio of (0.010 to 0.015): (0.15 to 0.25) The present invention has the advantages of high intensity, low cost, effective industrial waste slag utilization, energy and resource saving, environmental protection, etc.
Description
Technical field
The present invention relates to a kind of properties-correcting agent that is used for dry-mix, relate in particular to a kind of dry-mix composite modifier.
Background technology
Dry-mix also is in the starting stage in China, but tempo is than piece.Dry-mix mineral admixture commonly used both at home and abroad has flyash, slag micropowder, wilkinite etc., and flyash and slag micropowder water-retentivity be than slag micro powder difference, can the serious intensity that reduces dry-mix and mix wilkinite; The common chemical water-retaining admixture has finely divided organic polymer, polyvinyl alcohol, all kinds of ether of cellulose etc. both at home and abroad, its shortcoming is that finely divided organic polymer costs an arm and a leg, water-retentivity such as polyvinyl alcohol, all kinds of ether of cellulose is good inadequately, and is bigger to time of coagulation and intensity effect.
Summary of the invention
The invention provides a kind of low-cost dry-mix composite modifier that can improve properties of dry-mixed mortar.
The present invention adopts following technical scheme:
A kind of composite modifier that in dry-mix, uses, comprise that specific surface area is the steel-making slag powder of (450～500) m2/kg, specific surface area is the rapid hardening excitant of (350～400) m2/kg, water-retaining admixture and specific surface area are the Paris white of (350～400) m2/kg, its mass ratio is 1: (0.20～0.30): (0.18～0.22): (0.4～0.6), rapid hardening excitant comprises Sodium sulfate anhydrous.min(99) and alunite, its mass ratio is (0.15～0.25): (2～4), water-retaining admixture comprises polyacrylamide and wooden calcium, and its mass ratio is (0.010～0.015): (0.15～0.25).
Compared with prior art, the present invention has following advantage:
1, invent first and propose mineral thickener and the active admixture of slag micro powder as dry-mix, and mutually compound with Paris white, reached the delamination degree and the dry shrinkage that reduce mortar, improve workability and the purpose that improves intensity.
2, first with polyacrylamide as the water-retaining admixture of dry-mix, and have effects such as slow setting, little bleed and water-keeping thickening with wooden calcium is compound.
3, first components such as Sodium sulfate anhydrous.min(99), alunite and anhydrite are mixed in dry-mix through the rapid hardening excitant that is optimized to, the setting and harden of the mortar that is mixed with slag micro powder and the development of early strength have been played good stimulation effect.
4, this composite modifier has water-keeping thickening to dry-mix, the little bleed of slow setting, microdilatancy and excite the enhanced effect.Also have cost low, effectively utilize industrial residue, save energy and resource, the protection environment effect.
Embodiment
1 one kinds of dry-mix composite modifiers that in dry-mix, use of embodiment, comprise that specific surface area is that the slag micro powder of (450～500) m2/kg, rapid hardening excitant, water-retaining admixture and the specific surface area that specific surface area is (350～400) m2/kg are the Paris white of (350～400) m2/kg, its mass ratio is 1: (0.20～0.30): (0.18～0.24): (0.4～0.6), and present embodiment can be selected: 1: 0.22: 0.20: 0.46 or 1: 0.28: 0.22: 0.56; Rapid hardening excitant comprises Sodium sulfate anhydrous.min(99) and alunite, and its mass ratio is (0.15～0.25): (2～4), and present embodiment can be selected: 0.20: 2.5 or 0.22: 3.5; In the present embodiment, rapid hardening excitant comprises anhydrite, and the mass ratio of Sodium sulfate anhydrous.min(99) and anhydrite is (0.15～0.25): (1.5～2.5), and present embodiment can be selected: 0.20: 1.8 or 0.22: 2.4; Water-retaining admixture comprises polyacrylamide and wooden calcium, and its mass ratio is (0.010～0.015): (0.15～0.25), and present embodiment can be selected: 0.010: 0.20 or 0.013: 0.24; The water-retaining admixture of present embodiment comprises I level flyash, the mass ratio (0.010～0.015) of polyacrylamide and I level flyash: (2.5～3.5), present embodiment can be selected: 0.010: 2.5 or 0.013: 3.0.
2 one kinds of dry-mix composite modifiers that in dry-mix, use of embodiment, by specific surface area is the steel-making slag powder of (450～500) m2/kg, specific surface area is the rapid hardening excitant of (350～400) m2/kg, water-retaining admixture and specific surface area are that the Paris white of (350～400) m2/kg is formed, its mass ratio is 1: (0.20～0.30): (0.18～0.22): (0.4～0.6), present embodiment can be selected: 1: 0.22: 0.20: 0.46 or 1: 0.28: 0.22: 0.56, rapid hardening excitant wherein comprises Sodium sulfate anhydrous.min(99) and alunite, its mass ratio is (0.15～0.25): (2～4), and present embodiment can be selected: 0.20: 2.5; Or 0.22: 3.5; Water-retaining admixture comprises polyacrylamide and wooden calcium, and its mass ratio is (0.010～0.015): (0.15～0.25), present embodiment can be selected: 0.010: 0.20 or 0.013: 0.24.
3 one kinds of dry-mix composite modifiers that in dry-mix, use of embodiment, form for the Paris white of (350～400) m2/kg for rapid hardening excitant, water-retaining admixture and the specific surface area of (350～400) m2/kg for steel-making slag powder, the specific surface area of (450～500) m2/kg by specific surface area, its mass ratio is 1: (0.20～0.30): (0.18～0.22): (0.4～0.6), and present embodiment can be selected: 1: 0.22: 0.20: 0.46 or 1: 0.28: 0.22: 0.56; Rapid hardening excitant is made up of Sodium sulfate anhydrous.min(99), alunite and anhydrite, and its mass ratio is (0.15～0.25): (2～4): (1.5～2.5), and present embodiment can be selected: 0.20: 2.5: 1.8 or 0.22: 3.5: 2.4; Water-retaining admixture is made up of polyacrylamide, wooden calcium and I level flyash, and its mass ratio is (0.010～0.015): (0.15～0.25): (2.5～3.5), present embodiment can be selected: 0.010: 0.20: 2.5 or 0.013: 0.24: 3.0.
Claims (3)
1, a kind of dry-mix composite modifier that uses in dry-mix is characterized in that comprising that specific surface area is 450～500m
2The slag micro powder of/kg, specific surface area are 350～400m
2/ kg rapid hardening excitant, water-retaining admixture and specific surface area are 350～400m
2The Paris white of/kg, its mass ratio is 1: 0.20～0.30: 0.18～0.22: 0.4～0.6, rapid hardening excitant comprises Sodium sulfate anhydrous.min(99) and alunite, its mass ratio is 0.15～0.25: 2～4, water-retaining admixture comprises polyacrylamide and wooden calcium, and its mass ratio is 0.010～0.015: 0.15～0.25.
2, dry-mix composite modifier according to claim 1 is characterized in that rapid hardening excitant comprises anhydrite, and the mass ratio of Sodium sulfate anhydrous.min(99) and anhydrite is 0.15～0.25: 1.5～2.5.
3, dry-mix composite modifier according to claim 1 and 2 is characterized in that water-retaining admixture comprises I level flyash, and the mass ratio of polyacrylamide and I level flyash is 0.010～0.015: 2.5～3.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100417622A CN1277780C (en) | 2004-08-20 | 2004-08-20 | Dry powder grout compound modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100417622A CN1277780C (en) | 2004-08-20 | 2004-08-20 | Dry powder grout compound modifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1597600A CN1597600A (en) | 2005-03-23 |
| CN1277780C true CN1277780C (en) | 2006-10-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100417622A Expired - Fee Related CN1277780C (en) | 2004-08-20 | 2004-08-20 | Dry powder grout compound modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1277780C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524062B (en) * | 2013-09-11 | 2016-01-20 | 淮北市蒋疃民和新型建材有限责任公司 | A kind of for making concrete modified lime stone flour |
| CN103723970B (en) * | 2013-12-10 | 2016-01-20 | 同济大学 | A kind of with wilkinite and polyacrylamide be water-keeping thickening material motar and using method thereof |
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2004
- 2004-08-20 CN CNB2004100417622A patent/CN1277780C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1597600A (en) | 2005-03-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20120820 |