CN103723942B - Hardening accelerator, inorganic heat-insulation mortar based on hardening accelerator and methods for preparing and spraying inorganic heat-insulation mortar - Google Patents
Hardening accelerator, inorganic heat-insulation mortar based on hardening accelerator and methods for preparing and spraying inorganic heat-insulation mortar Download PDFInfo
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- CN103723942B CN103723942B CN201310753103.0A CN201310753103A CN103723942B CN 103723942 B CN103723942 B CN 103723942B CN 201310753103 A CN201310753103 A CN 201310753103A CN 103723942 B CN103723942 B CN 103723942B
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- slurry
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- insulation mortar
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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
Abstract
The invention discloses a hardening accelerator which is composed of the following components in parts by mass: 45-65 parts of Al2(SO4)3, 5-25 parts of triethanolamine, 5-15 parts of sodium fluoride and 10-20 parts of HCOOH. The invention further discloses inorganic heat-insulation mortar based on the hardening accelerator. The mortar is composed of the following components in parts by mass: 60-90 parts of ordinary silicate cement, 10-30 parts of fly ash, 0-10 parts of ash calcium powder, 1-6 parts of dispersible latex powder, 0.1-1 part of cellulose ether, 0-1 part of polypropylene fibers, 0.5-5 parts of the hardening accelerator, 50-80 parts of vitrified micro-beads and 110-160 parts of water. Furthermore, 5%-30% of foams in volume percent are also introduced into the mortar. According to the inorganic heat-insulation mortar disclosed by the invention, the self-made hardening accelerator is added so that the setting and hardening time is short; and continuous mechanical spraying can be used for constructing and the construction efficiency is greatly improved.
Description
Technical field
The invention belongs to building material field, relate to a kind of accelerator for hardening and the inorganic heat insulation mortar based on this accelerator for hardening, the invention still further relates to the method for this inorganic heat insulation mortar of preparation and the method for this inorganic heat insulation mortar of spraying.
Background technology
At present, inorganic heat insulation mortar is widelyd popularize in a lot of provinces and cities and is used.The technological line of existing inorganic heat insulation mortar adopts inorganic coagulation material, appropriate light inorganic aggregate, and add the admixtures such as dispersibility latex powder, ether of cellulose, mixes the strongtheners such as polypropylene fibre, adds suitable quantity of water stirring and form.In inorganic heat insulation mortar, gelling material take cement as main component, adds the materials such as a small amount of flyash, white lime, slag.Light skeletal is mainly the porous mineral such as glass bead and pearlstone particle.
The most general form of construction work of existing inorganic heat insulation mortar for manually to plaster, point multilayer discontinuity construction.Thermal insulation layer construction should not be less than smears for twice, and often time construction thickness is no more than 20mm, and after first pass plasters sclerosis completely, just can carry out next all over plastering, between plastering for twice, the timed interval is generally at more than 24h.Current inorganic heat insulation mortar divides the form of construction work of multilayer discontinuity, and construction is long for interval time, has a strong impact on operating efficiency, delays duration progress; And artificial plastering construction efficiency is low, of poor quality, high to the technical requirements of workman, the cost of unit surface is high.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of accelerator for hardening and the inorganic heat insulation mortar based on this accelerator for hardening, this accelerator for hardening is strong Be very effective early, and this inorganic heat insulation mortar can harden in rapid coagulation; The present invention also provides a kind of and prepares the method for this inorganic heat insulation mortar and the method for this inorganic heat insulation mortar of spraying.
For achieving the above object, the invention provides following technical scheme:
A kind of accelerator for hardening, composed of the following components according to quality meter:
A kind of inorganic heat insulation mortar, composed of the following components by mass:
Further, described dispersibility latex powder is esters of acrylic acid latex powder, ethylene vinyl acetate class latex powder or styrene-acrylate class latex powder.
Further, described ether of cellulose is methylcellulose gum, methylhydroxypropylcellulose, methyl hydroxyethylcellulose, Natvosol or Vltra tears.
Further, by volume percentages, the foam containing 5-30% in described inorganic heat insulation mortar.
Inorganic heat insulation mortar of the present invention is major gelled material with ordinary Portland cement, take glass bead as light skeletal, and inorganic materials ratio is high, and fire resistance is strong, high insulating effect; Containing a large amount of Minute pores in inorganic heat insulation mortar of the present invention, improve heat-insulating property further and save starting material; Inorganic heat insulation mortar of the present invention is by adjustment component proportion and content, and mortar adhesivity is good, and workability is improved, and can meet the requirement of spraying application; Inorganic heat insulation mortar of the present invention is by adding appropriate self-control accelerator for hardening, and the setting and harden time is short, can meet the requirement of sequential production, substantially increase operating efficiency.
Prepare a method for described inorganic heat insulation mortar, comprise the following steps:
A, choose ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, accelerator for hardening, glass bead and water in described ratio, selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
B, choose whipping agent and carry out foaming process;
C, choose appropriate foam and add in the slurry of step a, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 5-30%;
D, accelerator for hardening selected by step a to be added in the foaming slurry of step c, stir, obtain finished product.
Prepare a method for described inorganic heat insulation mortar, comprise the following steps:
A, choose ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, accelerator for hardening, glass bead and water in described ratio, selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
B, choose appropriate air entrapment agent and add in the slurry of step a to stir and obtain the slurry of bubbles; In the slurry of this step gained bubbles, lather volume accounts for 5-30%;
C, accelerator for hardening selected by step a to be added in the slurry of step b bubbles, stir, obtain finished product.
Further, the air entrapment agent sodium lauryl sulphate of step b, Witco 1298 Soft Acid by or α sodium olefin sulfonate.
Spray a method for described inorganic heat insulation mortar, spraying layered carries out, and every layer thickness is 5-15mm, carries out second layer spraying immediately, until reach design thickness after the spraying of metope the first layer.
Further, adopt spraying machine to spray, during spraying, spraying machine nozzle is vertical with metope, and nozzle and metope distance are 20-50cm, and jet velocity is 3-5m/s.
Spraying method of the present invention changes traditional plastering technique, carries out second layer spraying application immediately, until reach design thickness after whole metope the first layer spraying.Achieve continuously continuous construction, substantially increase operating efficiency, decrease the waste of material.
Embodiment
Be described in detail the preferred embodiments of the present invention below, following examples will disclose:
A kind of accelerator for hardening, composed of the following components according to quality meter:
A kind of inorganic heat insulation mortar, composed of the following components by mass:
As improvement of the present invention, described redispersible latex powder is esters of acrylic acid latex powder, ethylene vinyl acetate class latex powder or styrene-acrylate class latex powder.
As a further improvement on the present invention, described ether of cellulose is methylcellulose gum, methylhydroxypropylcellulose, methyl hydroxyethylcellulose, Natvosol or Vltra tears.
As a further improvement on the present invention, by volume percentages, the foam containing 5-30% in described inorganic heat insulation mortar.
Embodiment 1:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose whipping agent and carry out foaming process;
4), choose appropriate foam and add step 2) slurry in, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 5%;
5), by accelerator for hardening selected by step 1) add in the foaming slurry of step 4), stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is esters of acrylic acid latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is methylcellulose gum.
As the improvement of the present embodiment, whipping agent selected by step 3) is animal protein foaming agent.
Embodiment 2:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose whipping agent and carry out foaming process;
4), choose appropriate foam and add step 2) slurry in, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 30%;
5), by accelerator for hardening selected by step 1) add in the foaming slurry of step 4), stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is ethylene vinyl acetate class latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is methylhydroxypropylcellulose.
As the improvement of the present embodiment, whipping agent selected by step 3) is vegetable-protein whipping agent.
Embodiment 3:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose whipping agent and carry out foaming process;
4), choose appropriate foam and add step 2) slurry in, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 18%;
5), by accelerator for hardening selected by step 1) add in the foaming slurry of step 4), stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is styrene-acrylate class latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is methyl hydroxyethylcellulose.
As the improvement of the present embodiment, whipping agent selected by step 3) is composite foamable agent.
Embodiment 4:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose whipping agent and carry out foaming process;
4), choose appropriate foam and add step 2) slurry in, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 12%;
5), by accelerator for hardening selected by step 1) add in the foaming slurry of step 4), stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is the mixture of esters of acrylic acid latex powder, ethylene vinyl acetate class latex powder and styrene-acrylate class latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is the mixture of methylcellulose gum, methylhydroxypropylcellulose, methyl hydroxyethylcellulose, Natvosol and Vltra tears.
As the improvement of the present embodiment, whipping agent selected by step 3) is the mixture of animal protein foaming agent, vegetable-protein whipping agent and composite foamable agent.
Embodiment 5:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose whipping agent and carry out foaming process;
4), choose appropriate foam and add step 2) slurry in, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 26%;
5), by accelerator for hardening selected by step 1) add in the foaming slurry of step 4), stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is the mixture of esters of acrylic acid latex powder and styrene-acrylate class latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is the mixture of methylcellulose gum, methylhydroxypropylcellulose and Vltra tears.
As the improvement of the present embodiment, whipping agent selected by step 3) is the mixture of animal protein foaming agent, vegetable-protein whipping agent.
Embodiment 6:
The present embodiment prepares the method for described inorganic heat insulation mortar, comprises the following steps:
1), starting material are chosen, wherein:
2), selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
3), choose air entrapment agent and add step 2) slurry in stir and obtain the slurry of bubbles; In the slurry of this step gained bubbles, lather volume is 18%;
4), by accelerator for hardening selected by step 1) add in the slurry of step 3) bubbles, stir, obtain finished product.
As the improvement of the present embodiment, selected by step 1), accelerator for hardening is composed of the following components by mass:
As the improvement of the present embodiment, dispersibility latex powder selected by step 1) is esters of acrylic acid latex powder, ethylene vinyl acetate class latex powder or styrene-acrylate class latex powder.
As the improvement of the present embodiment, ether of cellulose selected by step 1) is methylcellulose gum, methylhydroxypropylcellulose, methyl hydroxyethylcellulose, Natvosol or Vltra tears.
As the improvement of the present embodiment, the air entrapment agent of step 3) is Sodium dodecylbenzene sulfonate and α sodium olefin sulfonate mixture.
Inorganic heat insulation mortar prepared by above-described embodiment can adopt Mortar spraying machine to spray, and spraying layered carries out, and every layer thickness is 5-15mm, directly can carry out second time spraying after the first layer spraying terminates; During spraying, spraying machine firing rate is 3-5m/s, and nozzle and metope keep 20-50cm distance vertical; After thermal insulation mortar spraying reaches design thickness, with the floating thermal insulation mortar of large spatula.
Inorganic heat insulation mortar of the present invention is major gelled material with ordinary Portland cement, take glass bead as light skeletal, and inorganic materials ratio is high, and fire resistance is strong, high insulating effect; Containing a large amount of Minute pores in inorganic heat insulation mortar of the present invention, improve heat-insulating property further and save starting material; Inorganic heat insulation mortar of the present invention is by adjustment component proportion and content, and mortar adhesivity is good, and workability is improved, and can meet the requirement of spraying application; Inorganic heat insulation mortar of the present invention is by adding appropriate self-control setting accelerator, and the setting and harden time is short, can meet the requirement of sequential production, substantially increase operating efficiency.Spraying method of the present invention changes traditional plastering technique, carries out second time spraying application immediately after whole metope the first layer spraying, until reach design thickness, achieves continuously continuous construction, substantially increases operating efficiency, decrease the waste of material.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (8)
1. an inorganic heat insulation mortar, is characterized in that, described mortar is composed of the following components by mass:
Ordinary Portland cement 60-90 part;
Flyash 10-30 part;
Sierozem power 0-10 part;
Dispersibility latex powder 1-6 part;
Ether of cellulose 0.1-1 part;
Polypropylene fibre 0-1 part;
Accelerator for hardening 0.5-5 part;
Glass bead 50-80 part;
Water 110-160 part;
Described accelerator for hardening is composed of the following components according to quality meter:
Al
2(SO
4)
345 ~ 65 parts;
trolamine 5 ~ 25 parts;
Sodium Fluoride 5 ~ 15 parts;
HCOOH 10 ~ 20 parts;
By volume percentages, the foam also containing 5-30% in described inorganic heat insulation mortar;
The preparation method of described inorganic heat insulation mortar is as follows:
A, choose ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, accelerator for hardening, glass bead and water in described ratio, selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
B, choose whipping agent and after carrying out foaming process, choose appropriate foam and add in the slurry of step a, or choose appropriate air entrapment agent and add in the slurry of step a, stir and to obtain foaming slurry; In this step gained foaming slurry, lather volume accounts for 5-30%;
C, accelerator for hardening selected by step a is added step b foam in slurry, stir, obtain finished product.
2. inorganic heat insulation mortar according to claim 1, is characterized in that: described dispersibility latex powder is esters of acrylic acid latex powder, ethylene vinyl acetate class latex powder or styrene-acrylate class latex powder.
3. inorganic heat insulation mortar according to claim 1, is characterized in that: described ether of cellulose is methylcellulose gum, methyl hydroxyethylcellulose, Natvosol or Vltra tears.
4. prepare a method for inorganic heat insulation mortar as described in any one of claim 1-3, it is characterized in that, comprise the following steps:
A, choose ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, accelerator for hardening, glass bead and water in described ratio, selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
B, choose whipping agent and carry out foaming process;
C, choose appropriate foam and add in the slurry of step a, stir and to obtain foaming slurry, in this step gained foaming slurry, lather volume accounts for 5-30%;
D, accelerator for hardening selected by step a to be added in the foaming slurry of step c, stir, obtain finished product.
5. prepare a method for inorganic heat insulation mortar as described in any one of claim 1-3, it is characterized in that, comprise the following steps:
A, choose ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, accelerator for hardening, glass bead and water in described ratio, selected ordinary Portland cement, flyash, sierozem power, dispersibility latex powder, ether of cellulose, polypropylene fibre, glass bead and water are mixed and the slurry that stirs to obtain;
B, choose appropriate air entrapment agent and add in the slurry of step a to stir and obtain the slurry of bubbles; In the slurry of this step gained bubbles, lather volume accounts for 5-30%;
C, accelerator for hardening selected by step a to be added in the slurry of step b bubbles, stir, obtain finished product.
6. prepare the method for inorganic heat insulation mortar according to claim 5, it is characterized in that: the air entrapment agent sodium lauryl sulphate of step b, Witco 1298 Soft Acid ammonium or α-sodium olefin sulfonate.
7. spray a method for inorganic heat insulation mortar as claimed in claim 1, it is characterized in that: spraying layered carries out, and every layer thickness is 5-15mm, after the first layer spraying, carry out second layer spraying immediately, until reach design thickness.
8. spray the method for inorganic heat insulation mortar according to claim 7, it is characterized in that: adopt spraying machine to spray, during spraying, spraying machine nozzle is vertical with metope, nozzle and metope distance are 20-50cm, and jet velocity is 3-5m/s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310753103.0A CN103723942B (en) | 2013-12-31 | 2013-12-31 | Hardening accelerator, inorganic heat-insulation mortar based on hardening accelerator and methods for preparing and spraying inorganic heat-insulation mortar |
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| CN201310753103.0A CN103723942B (en) | 2013-12-31 | 2013-12-31 | Hardening accelerator, inorganic heat-insulation mortar based on hardening accelerator and methods for preparing and spraying inorganic heat-insulation mortar |
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| CN103723942B true CN103723942B (en) | 2015-07-15 |
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| CN106186960B (en) * | 2016-07-20 | 2018-07-24 | 绍兴职业技术学院 | A kind of high-performance environment-friendly spraying mortar and preparation method thereof |
| CN107973620A (en) * | 2017-12-28 | 2018-05-01 | 长沙善道新材料科技有限公司 | A kind of inorganic heat insulation mortar and preparation method thereof |
| CN108842938A (en) * | 2018-06-22 | 2018-11-20 | 吕铁男 | Large Area Steel plate face super thick cement mortar protective course and its construction technology |
| CN108863216B (en) * | 2018-07-10 | 2021-04-27 | 中冶武汉冶金建筑研究院有限公司 | Inorganic foaming thermal insulation mortar capable of being sprayed |
| CN109626920A (en) * | 2019-03-01 | 2019-04-16 | 潘瑞生 | A kind of concrete road surface material for quickly repairing and preparation method with high intensity and endurance quality |
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| CN101475335A (en) * | 2009-01-13 | 2009-07-08 | 江苏博特新材料有限公司 | Liquid accelerator for sprayed concrete and preparation thereof |
| CN102786271A (en) * | 2012-08-07 | 2012-11-21 | 董衍峰 | Vitrified micro bubble thermal insulation and fire-proof mortar |
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