CN104926212A - Inorganic fiber thermal insulation material and construction method - Google Patents
Inorganic fiber thermal insulation material and construction method Download PDFInfo
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- CN104926212A CN104926212A CN201510258120.6A CN201510258120A CN104926212A CN 104926212 A CN104926212 A CN 104926212A CN 201510258120 A CN201510258120 A CN 201510258120A CN 104926212 A CN104926212 A CN 104926212A
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- heat insulating
- fiber material
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Abstract
The invention discloses an inorganic fiber thermal insulation material which consists of dustless adhesive and inorganic fiber cotton, wherein the weight ratio of the dustless adhesive to the inorganic fiber cotton is 0.75: 1. When spraying complex fiber, the material, which is uniformly mixed in a plant, can be directly applied to on-site construction with running water; compared with conventional adhesive and atomizing equipment, a circumstance of nozzle blockage is avoided; and the inorganic fiber thermal insulation material is convenient and rapid in water intake and relatively low in cost.
Description
Technical field
The present invention relates to for the lagging material of building energy conservation and processing thereof and use, be related specifically to inorganic heat insulating fiber material and constructional method.
Background technology
The inorganic heat insulating fiber material such as rock wool, mineral wool produced for starting material with basalt, rhombspar and slag on market, due to its material self, some problem is good solution never.Such as self resistance to compression, tensile strength, with the cohesive strength etc. of base course wall.
Successively to there are two kinds of inorganic fibre spray coating heat preservation layers that are soft and hard in recent years, can be jointless at surface of wall spray coating heat preservation layer continuously.Wherein soft fibre is sprayed in construction process needs to use organic binder bond to solve the adhesion problem of inorganic fibre and other substrate surfaces such as concrete wall, steel construction, the introducing of flammable organic adhesion agent, have impact on the self-strength of material on the one hand, allow the advantage of inorganic fibre in fire prevention decline on the one hand.The tensile bond strength of inorganic fiber coating thermal insulation layer and basic unit only has about 20kpa usually, and the cohesive strength of soft inorganic heat insulating fiber layer and basic unit is only about 4.5kpa, and strength test collapse mode is inorganic fibre autoclasia substantially.Under the impact of steam, temperature, blast, such intensity is for whole heat-insulation system, and weather resistance can decline naturally gradually, not only adds the risk that thermal insulation layer comes off, leaves potential safety hazard, and also quite unfavorable for building energy conservation aspect.
For inorganic fiber coating thermal insulation layer, its construction equipment is complicated, need Site inorganic adhesive, coordinate the multiple mechanical common operational such as inorganic adhesive dedicated diaphragm pump and inorganic fibre spraying machine, need multiple professional operator just can complete.Conventional inorganic fiber coating, in order to save glue amount, adopts Double-nozzle sprayer more, and cannot form enclosed space, cellucotton easily flies away waste.
In sum, inorganic fibre spraying is badly in need of improving in quality product and the multiple link of constructional method, could meet the demand in site operation and market.
Summary of the invention
For solving the problem, my company adopts batch production premixing, reduces on-the-spot intervention, simplifies the method such as construction machinery, design specialized shower nozzle, provides a kind of new inorganic fibre sprayed product and construction.
For achieving the above object, a kind of inorganic heat insulating fiber material of the present invention comprises dustlessization tackiness agent and inorganic fibre is cotton, and the weight ratio of described dustlessization tackiness agent and described inorganic fibre cotton is 0.75:1, and both fully mix;
The basic proportioning of described dustlessization tackiness agent is as follows:
Cement: 950-1000 weight unit;
Wetting agent: 20-30 weight unit;
Water-holding agent: 2-4 weight unit;
Hardening accelerator: 3-5 weight unit;
Polymer glue powder: 40-50 weight unit;
Hydrophober: 0.5-1 weight unit;
Above-mentioned wetting agent, after pressurised atomised, sprays in the material in mixing machine, fully stirs more than 10min, mixes rear obtained described dustlessization tackiness agent.
Further, described mixing machine is HN-120L type mixing machine; Adopt inside and outside two ribbon medium speed mixer, atomizing nozzle is installed at mixing machine top, and nozzle flow is 1.7L/Min.
Further, described basic proportioning compound fully disperses 10min through mixing machine, reaches to hold agglomerating, 20cm and highly fall state in dispersion, and powder is without not balling-up of luming.
Further, described wetting agent is technical grade whiteruss.This component is core starting materials, can ensure that cement powders is wetting and unite, reduce dust and produce, still have hydratability simultaneously, aquation can produce ettringite, keeping the hydraulicity feature of cement itself when meeting water.In addition whiteruss soak after finished ground cement have extraordinary moistureproof hydrophobic effect.
Further, described water-holding agent is Natvosol.It can prevent in a long time, and moisture is too fast to be scattered and disappeared, and ensures the water required for hydrated cementitious.
Further, described hardening accelerator is calcium formiate.Hydrated cementitious speed can be accelerated, improve early strength, early stage bonding force is provided.
Further, described polymer glue powder is watt gram 5010 rubber powders, for providing good bonding force between cement, cotton, basic unit three.
Further, described hydrophober is a watt gram PowerD, provides the hydrophobicity performance of product.
The constructional method of above-mentioned inorganic heat insulating fiber material, concrete steps are as follows:
1) use drum mixer to stir inorganic heat insulating fiber material, make the dustlessization tackiness agent in inorganic heat insulating fiber material and the cotton full and uniform mixing of inorganic fibre;
2) base course wall surface is soaked with atomized water;
3) inorganic fibre spraying machine is used to coordinate atomizer by described inorganic heat insulating fiber material spraying on base course wall; Described atomizer center arranges inorganic heat insulating fiber material jets; Atomizer is circumferentially arranged at intervals with multiple water spouting nozzle in inorganic heat insulating fiber material jets; During spraying, described inorganic heat insulating fiber material and water spray simultaneously respectively.
Further, during spraying, described inorganic heat insulating fiber material and water are according to weight ratio 10:(2 ± 0.5), when should ensure spraying, water and inorganic heat insulating fiber material spray simultaneously.
As spray nozzle clogging, spraying operation should be stopped immediately, for clearance clean after can continue spraying, ensure that powder and inorganic heat insulating fiber material are by fixed proportion mixing.
Further, in described step 3), single spin thickness is 3-6cm.
Further, described constructional method also comprises: step 4) pressing plate and the sprayed coating of thick stick chi to described inorganic heat insulating fiber material carry out levelling.
Further, centroclinal to atomizer of the water spouting nozzle of described atomizer, angle of inclination is 12 °-15 °, and atomized water and composite cotton fabric be long distance mixing within the scope of the 600-1200mm of shower nozzle front, has good mixed effect; Force value when water sprays from water spouting nozzle is 20-30bar, and under this pressure, water can fully be atomized.
When adopting conjugated fibre of the present invention to spray, because material mixes uniformly in factory, scene can directly use tap water to construct, compare and use traditional tackiness agent and atomising unit, stopped the situation of spray nozzle clogging, fetched water convenient and swift, cost is extremely low.The property indices parameter comparison of conjugated fibre thermal insulation layer of the present invention sees the following form.
| Inorganic fiber | Soft inorganic fibre | The present invention | |
| With the tensile bond strength of basic unit | About 20kpa | 4.5kpa left and right | ≥50kpa |
| Density | ≤350kg/m3 | 80-120kg/m3 | ≤300kg/m3 |
Can be learnt by upper table, the cohesive strength of conjugated fibre thermal insulation layer of the present invention is better than existing inorganic fiber and soft inorganic fibre greatly.And compared with inorganic fiber, while cohesive strength improves greatly, density also decreases, reduce the load of exterior wall.
Accompanying drawing explanation
Fig. 1 is the structural representation of atomizer;
Fig. 2 is the AA sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
embodiment 1
A kind of inorganic heat insulating fiber material in the present embodiment comprises dustlessization tackiness agent and inorganic fibre is cotton, and the weight ratio of dustlessization tackiness agent and described inorganic fibre cotton is 0.75:1, and both fully mix;
The basic proportioning of dustlessization tackiness agent is as follows:
Cement: 980 weight unit;
Wetting agent: 25 weight unit;
Water-holding agent: 3 weight unit;
Hardening accelerator: 4 weight unit;
Polymer glue powder: 45 weight unit;
Hydrophober: 0.8 weight unit;
Above-mentioned wetting agent, after pressurised atomised, sprays in the material in mixing machine, fully stirs more than 10min, mixes rear obtained dustlessization tackiness agent.
Mixing machine during spraying is HN-120L type mixing machine; Adopt inside and outside two ribbon medium speed mixer, atomizing nozzle is installed at mixing machine top, and nozzle flow is 1.7L/min.
Wetting agent is technical grade whiteruss.This component is core starting materials, can ensure that cement powders is wetting and unite, reduce dust and produce, still have hydratability simultaneously, aquation can produce ettringite, keeping the hydraulicity feature of cement itself when meeting water.In addition whiteruss soak after finished ground cement have extraordinary moistureproof hydrophobic effect.Water-holding agent is Natvosol, and it can prevent in a long time, and moisture is too fast to be scattered and disappeared, and ensures the water required for hydrated cementitious.Hardening accelerator is calcium formiate.Hydrated cementitious speed can be accelerated, improve early strength, early stage bonding force is provided.Polymer glue powder is watt gram 5010 rubber powders, for providing good bonding force between cement, cotton, basic unit three.Hydrophober is a watt gram PowerD, provides the hydrophobicity performance of product.
embodiment 2
The constructional method of above-mentioned inorganic heat insulating fiber material, concrete steps are as follows:
1) use drum mixer to stir inorganic heat insulating fiber material, make the dustlessization tackiness agent in inorganic heat insulating fiber material and the cotton full and uniform mixing of inorganic fibre;
2) base course wall surface is soaked with atomized water;
3) inorganic fibre spraying machine is used to coordinate atomizer by described inorganic heat insulating fiber material spraying on base course wall; Single spin thickness is 4-5cm.
During spraying, described inorganic heat insulating fiber material and water according to weight ratio 10:2.5, should ensure spraying time, water and the discharging simultaneously of inorganic heat insulating fiber material, as spray nozzle clogging, should stop spraying operation immediately, for clearance clean after can continue spraying, ensure powder and cotton by fixed proportion mixing.
4) with pressing plate and thick stick chi, the sprayed coating to described inorganic heat insulating fiber material carries out levelling.
As shown in Figure 1-2, atomizer comprises sprayer body 1, and sprayer body 1 upwards arranged water spout 3 in interval last week, water spout 3 was provided with nozzle 4.Center arranges inorganic heat insulating fiber material jets 2; During spraying, described inorganic heat insulating fiber material and water spray simultaneously respectively.Centroclinal to atomizer of the water spout 3 of atomizer, tilt angle alpha is 15 °; Force value when water sprays from water spouting nozzle is 20bar.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (10)
1. an inorganic heat insulating fiber material, is characterized in that, it comprises dustlessization tackiness agent and inorganic fibre is cotton, and the weight ratio of described dustlessization tackiness agent and described inorganic fibre cotton is 0.75:1, and both fully mix;
The basic proportioning of described dustlessization tackiness agent is as follows:
Cement: 950-1000 weight unit;
Wetting agent: 20-30 weight unit;
Water-holding agent: 2-4 weight unit;
Hardening accelerator: 3-5 weight unit;
Polymer glue powder: 40-50 weight unit;
Hydrophober: 0.5-1 weight unit;
Above-mentioned wetting agent, after pressurised atomised, sprays in the material in mixing machine, fully stirs more than 10min, mixes rear obtained described dustlessization tackiness agent.
2. inorganic heat insulating fiber material as claimed in claim 1, it is characterized in that, described mixing machine is HN-120L type mixing machine; Adopt inside and outside two ribbon medium speed mixer, atomizing nozzle is installed at mixing machine top, and nozzle flow is 1.7L/Min.
3. inorganic heat insulating fiber material as claimed in claim 1, it is characterized in that, described wetting agent is technical grade whiteruss; Described water-holding agent is Natvosol; Described hardening accelerator is calcium formiate.
4. inorganic heat insulating fiber material as claimed in claim 1, it is characterized in that, described polymer glue powder is watt gram 5010 rubber powders.
5. inorganic heat insulating fiber material as claimed in claim 1, it is characterized in that, described hydrophober is a watt gram PowerD.
6. the constructional method of inorganic heat insulating fiber material as described in as arbitrary in claim 1-5, it is characterized in that, concrete steps are as follows:
1) use drum mixer to stir inorganic heat insulating fiber material, make the dustlessization tackiness agent in inorganic heat insulating fiber material and the cotton full and uniform mixing of inorganic fibre;
2) base course wall surface is soaked with atomized water;
3) inorganic fibre spraying machine is used to coordinate atomizer by described inorganic heat insulating fiber material spraying on base course wall; Be arranged at intervals with water spout and inorganic heat insulating fiber material jets described atomizer week; During spraying, described inorganic heat insulating fiber material and water spray simultaneously respectively.
7. constructional method as claimed in claim 6, it is characterized in that, during spraying, described inorganic heat insulating fiber material and water are according to weight ratio 10:(2 ± 0.5), when should ensure spraying, water and inorganic heat insulating fiber material spray simultaneously.
8. constructional method as claimed in claim 6, it is characterized in that, in described step 3), single spin thickness is 3-6cm.
9. constructional method as claimed in claim 6, it is characterized in that, described constructional method also comprises: step 4) pressing plate and the sprayed coating of thick stick chi to described inorganic heat insulating fiber material carry out levelling.
10. constructional method as claimed in claim 6, is characterized in that, centroclinal to atomizer of the water spouting nozzle of described atomizer, and angle of inclination is 12 °-15 °; Force value when water sprays from water spouting nozzle is 20-30bar.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106567545A (en) * | 2015-10-12 | 2017-04-19 | 南京坤佳防水防腐保温工程有限公司 | Inorganic fiber thermal insulation spraying construction method for pipe shaft |
| CN107044173A (en) * | 2017-04-15 | 2017-08-15 | 苏州中海建筑设计有限公司 | A grades of sprayed glass fiber sound absorption insulation constructions and construction method |
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| CN103046656A (en) * | 2013-01-18 | 2013-04-17 | 山西省第二建筑工程公司 | Method for spraying inorganic fibers on wall surface |
| CN104341134A (en) * | 2013-12-26 | 2015-02-11 | 美巢集团股份公司 | Polymer cement water-proof coating and preparation method thereof |
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2015
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| CN102731032A (en) * | 2012-06-29 | 2012-10-17 | 北京海纳联创无机纤维喷涂技术有限公司 | Composite sprayed fiber and spraying method thereof |
| CN103046656A (en) * | 2013-01-18 | 2013-04-17 | 山西省第二建筑工程公司 | Method for spraying inorganic fibers on wall surface |
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| CN106567545A (en) * | 2015-10-12 | 2017-04-19 | 南京坤佳防水防腐保温工程有限公司 | Inorganic fiber thermal insulation spraying construction method for pipe shaft |
| CN107044173A (en) * | 2017-04-15 | 2017-08-15 | 苏州中海建筑设计有限公司 | A grades of sprayed glass fiber sound absorption insulation constructions and construction method |
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Address after: Room 100071, building No. 16, Feng Feng, Beijing, Fengtai District, 9, China Applicant after: Beijing Haina LIAN energy Polytron Technologies Inc Address before: 100071 Beijing city Fengtai District Feng Line No. 16 Automall building room 3048 Applicant before: Beijing Haina Lianchuang Inorganic Fiber Spraying Technology Co., Ltd. |
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