CN102767263A - Roof heat preservation plate and production method and application for roof heat preservation plate - Google Patents
Roof heat preservation plate and production method and application for roof heat preservation plate Download PDFInfo
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- CN102767263A CN102767263A CN2012102712707A CN201210271270A CN102767263A CN 102767263 A CN102767263 A CN 102767263A CN 2012102712707 A CN2012102712707 A CN 2012102712707A CN 201210271270 A CN201210271270 A CN 201210271270A CN 102767263 A CN102767263 A CN 102767263A
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Abstract
The invention discloses a roof heat preservation plate and a production method and application for the roof heat preservation plate. The roof heat preservation plate consists of a surface layer and a bottom layer; the thickness of the surface layer is 5-7mm; the thickness of the plate is 100-120mm, and the comprehensive density of the plate is 700-1000kg/m<3>; a production raw material of the surface layer comprises 15-19% of cement, 11-15% of slag powder, 41-47% of sand, 0-0.8% of brightening agents and 21-26% of water; and a production raw material of the bottom layer comprises 42-46% of cement, 15-20% of slag powder, 5.5-8.5% of sand, 0.45-0.80% of water reducing agents, 1.5-2.5% of curing agents, 0.07-0.25% of foaming agents and 25-29% of water. The roof heat preservation plate is convenient to construct, is light, heat-insulation, waterproof and fireproof, and is beneficial for energy conservation of a building, simple in production procedure and good in durability. The service life of the roof heat preservation plate is the same as that of main work.
Description
Technical field
The invention belongs to lightweight, energy-conservation, heat-insulating construction material field, be specifically related to a kind of roof heat insulation insulating board and production method and application.
Background technology
Roof insulation civilian at present and industrial building is handled has following several kinds of technical approach:
(1) built on stilts board; Promptly on the roofing floor, build some support parapets (high about 120mm) by laying bricks or stones with fragment of brick; Layer overlay cement concrete slab (thick about 30mm) on the support parapet again; Between roofing floor and cement concrete slab, form air layer so, be directly passed to top room to avoid solar irradiation heat.This mode can play heat insulation effect to a certain extent in the season of weather heat; But can not avoid the heat of top room outwards to disperse the season in that weather is cold; Do not have the effect of insulation; And this technical approach construction is inconvenient, and its support parapet has formed heat bridge between roofing floor and cement concrete slab simultaneously, makes its effect of heat insulation in the hot season have a greatly reduced quality.
(2) on roofing, build the hollow heat insulated plate of one deck by laying bricks or stones; The plate body of hollow heat insulated plate is a groove by concrete formation, in groove, fills polyphenyl alkene foam beads, and this technical approach can play certain effect of heat insulation; But the groove frame of plate body forms heat bridge; And polyphenyl alkene foam beads is a combustible, does not prevent fires, and this hollow heat insulated plate weight is too heavy, and (comprehensive density reaches 1500kg/m
3Or more than), the load of increase roof roofing, construction is also inconvenient.
(3) other a kind of hollow heat insulated plate is in groove, to fill rock wool, though can play the fireproof effect, can not avoid the formation of heat bridge equally, and same this hollow heat insulated plate weight is too heavy, and (comprehensive density reaches 1500kg/m
3Or more than), construction is also inconvenient.
(4) adopt glass fiber hollow light insulating board in addition, the plate body of this insulating board contains expanded perlite or granular foam plastics, and its fireproof performance and water resistance are all undesirable, and application life is not long.
(5) at roofing cast one deck foam concrete, this technical approach can play insulation and heat insulation effect, but construction is complicated; For highrise building; It is bigger that foam concrete is pumped to the roof difficulty, need the pump machine be removed to roof, and need transfer foam concrete; And this construction receives climatic effect bigger, and maintenance effect is not good.
Summary of the invention
In order to overcome undesirable, the defectives such as weight is too heavy, construction inconvenience of formation heat bridge, heat insulating effect that present heat-insulating roof board exists, primary and foremost purpose of the present invention is to provide a kind of roof heat insulation insulating board.
In order to overcome the defective that there is complex manufacturing in present heat-insulating roof board, another object of the present invention is to provide the production method of above-mentioned roof heat insulation insulating board.
A purpose more of the present invention is to provide the purposes of above-mentioned roof heat insulation insulating board.
The object of the invention is realized through following technical proposals:
A kind of roof heat insulation insulating board is made up of surface layer and bottom, and surface thickness is 5 ~ 7mm; The thickness of plate is 100-120mm, according to the heat insulation and preservation effect that will reach adjust; The comprehensive density of plate is 700 ~ 1000kg/m
3
The raw materials for production of said surface layer comprise the raw material of following mass percent:
Cement: 15 ~ 19%
Slag powders: 11 ~ 15%
Sand: 41 ~ 47%
Brightener: 0 ~ 0.8%
Water: 21 ~ 26%.
The raw materials for production of said bottom comprise the raw material of following mass percent:
Cement: 42 ~ 46%
Slag powders: 15 ~ 20%
Sand: 5.5 ~ 8.5%
Water reducing agent: 0.45 ~ 0.80%
Curing compound: 1.5 ~ 2.5%
Blowing agent: 0.07 ~ 0.25%
Water: 25 ~ 29%;
Wherein, the quality of cementitious material (referring to cement and slag powders) is 6.5 ~ 12 times of sand, and like this, the volume of cementitious material can reach more than 6 times of sand, guarantees that cementitious material can all wrap up sand, guarantees the density of substructure, and avoids the structure efflorescence;
The quality of said slag powders is no more than 45% of cement quality, with the early strength of assurance bottom, and avoids the structure efflorescence;
The mass ratio of said water and cementitious material (referring to cement and slag powders) with the intensity of assurance product, and avoids time of setting long less than 0.50.
More than prescription can guarantee surface layer and bottom bonding well, forms an integral body.Why roof heat insulation insulating board of the present invention wants hierarchical design is in order to make the different separately effect and function of surface layer and bottom performance, and that surface layer plays is attractive in appearance, decoration, waterproof and increase the effect of surface hardness, and bottom plays lightweight, insulation, heat insulation effect.Thermal insulation thermal insulation board of the present invention is elegant in appearance, can play the effect of thermal insulation again, and is in light weight, enough carries the gravity that human body is trampled, and must not lay ceramic tile, convenient construction in addition.
Described cement is P.O42.5R.Cement consumption in the bottom can guarantee to have in the bottom cement of q.s to participate in hydration reaction and form jelling structure, helps the development of intensity.
Described slag powders is the S95 slag powders.
Described sand is CHARACTERISTICS OF TAILINGS SAND, and particle diameter is less than 0.3mm.Sand consumption in the surface layer helps improving the intensity and the hardness of surface layer; Sand consumption in the bottom can reduce the drying shrinkage of bed material to a certain extent, avoids bed material and lining to peel off.
The water yield in the surface layer can guarantee the abundant aquation of lining cementitious material, produces enough intensity.
Brightener in the surface layer can add also and can not add according to customer requirements, and brightener can make this thermal insulation thermal insulation board surface layer produce the aesthetic effect of light.
Described water reducing agent is the high-efficiency water-reducing agent of poly-carboxylic acid (aqua of non-slow setting; Concentration 30%), can guarantee the normal setting and harden of product, play good water-reducing effect; Guarantee that the cementitious material full and uniform dispersion is in slip; Improve the aquation rate of cementitious material, improve the uniformity of slip, avoid uneven weak link occurring in the middle of the product structure and improve its water resistance.
Described curing compound coagulates early by force, short for having simultaneously, the additive of multiviscosisty, water conservation usefulness; Preferably be made up of 80% sodium chloride and 20% calcium hydroxide, described percentage accounts for the percentage of curing compound gross mass for each composition.Curing compound had both been accelerated the hydration rate of cementitious material, and calcium hydroxide has solid water effect and thickening effect again, made under the situation that aquation is quickened and moisture rapid evaporation in a large number not the normal aquation of assurance cementitious material and avoid the structure efflorescence.
Described blowing agent is the compound foaming agent of function admirable, can guarantee the stability of slip, can not produce harmful effect to the hydration reaction of cementitious material, guarantees the foam volume in the bed material, to satisfy the light heat-insulating effect.
The production method of above-mentioned roof heat insulation insulating board may further comprise the steps:
1, cast surface layer
(1) takes by weighing raw material, raw material is mixed, stir into cement mortar;
(2) cement mortar is injected mould, the thickness after slip shakeouts is 5 ~ 7mm, gently shakes mould to discharge the bubble in the slip, leaves standstill;
2, cast bottom
(1) get blowing agent, add blowing agent quality 30-50 water doubly and foam, subsequent use;
(2) cement, slag powders, sand, water reducing agent are mixed with the remaining water of foaming, stir; Add curing compound again, obtain slip after stirring;
(3) foam that step (1) foaming is finished is blown in the slip of step (2), stirs, and obtains the foam concrete slip;
(4) the foam concrete slip casting being gone into step 1 has poured into a mould in the mould of surface layer; After leaving standstill 10 ~ 15min foam concrete slip unnecessary in the mould is wipeed off, covered mould with plastic sheeting, natural curing 24 ~ 36 hours; The demoulding then obtains the roof heat insulation insulating board; The bottom cast is no more than 1 hour with surface layer cast interval time.
Above-mentioned roof heat insulation insulating board can be used for the industry and the roofing heat preservation and insulation material of civil building, has effectiveness such as insulation, heat insulation, waterproof, fire prevention, sound insulation, can reduce the use energy consumption of building.During use, roof heat insulation insulating board of the present invention directly laid on the roofing floor build by laying bricks or stones, gets final product with the cement mortar bonding is fixing under the plate, must not lay ceramic tile in addition.
Roof heat insulation insulating board of the present invention has the following advantages:
(1) convenient construction is directly laid this product and to be built by laying bricks or stones on the roofing floor, gets final product with the cement mortar bonding is fixing under the plate, must not lay ceramic tile in addition, and the pedestrian can directly trample after 24 hours; (2) because tight, itself have the lightweight heat-proof performance, therefore building roofing had both been had heat insulation effect, insulation, waterproof, flameproof effect are arranged again, help building energy conservation with the floor bonding; (3) raw material wide material sources, low price; (4) production process is simple; (5) no waste water,waste gas and industrial residue discharging, product non-toxic and non-radioactive property, the manufacturing process energy-conserving and environment-protective, environmentally friendly; (6) utilize flyash equal industrial residue (powder), maximally utilise solid waste; (7) product lightweight, dry density 700 ~ 1000kg/m
3, help alleviating the roofing load; (8) durability of product can be good, with the same life-span of major project.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment 1
A kind of roof heat insulation insulating board is prepared by following steps:
1, cast surface layer
1) takes by weighing cement (P.O42.5R; 33kg down together), S95 slag powders 25kg, sand 87kg, brightener (is admired lake board MNC-CZ type azulejo brightener; 1.2kg down together), water 47kg mixes and adds the interior stir about 5min fast of mixer, processes cement mortar;
2) (mould specification is 300mm * 300mm * 100mm cement mortar evenly to be fed into the mould that has placed; Can process various decorative patterns according to customer requirements on the mould, play effect attractive in appearance) in, make the about 5mm of screed thickness in each mould; Shake mould a little; Mortar wherein fully is tiled in the mould, continues the concussion mould, to discharge the bubble in the mortar;
3) after the lining cast finishes, leave standstill, wait for the bottom cast;
2, cast bottom
1) takes by weighing the safe HTQ-1 type composite foamable agent 1kg of Henan China, add in the frothing machine, and fully foam through compressed air after adding the 40kg tap water;
2) take by weighing cement 385kg, S95 slag powders 165kg, sand 60kg, non-slow setting high-efficiency water-reducing agent of poly-carboxylic acid (Guangdong, Guangdong and HPG-R type simultaneously; 4.5kg, water 220kg down together) add to mix in the mixer and stir, and elder generation stirs 0.5min slowly, and the back is stir about 1.5min fast, adds 16.5kg curing compound (sodium chloride 13.2kg, calcium hydroxide 3.3kg) then, stirs 2min more fast to make slip even;
3) foamed the foam that finishes of step 1) is blown in the slip that has stirred through compressed air and mixes with slip, stir about 1.5min makes slip become uniform foam concrete slip at a slow speed again;
4) going into for the 1st step to this foam concrete slip casting has poured into a mould in the mould of lining;
5) behind the 10min slip unnecessary in the mould is used doctor blade, cover with plastic sheeting, maintenance demoulding after 24 hours, promptly getting thickness is the roof heat insulation insulating board of 100mm.The bottom cast is no more than 1 hour with surface layer cast interval time.Resulting insulating board is the insulating board that surface layer has brightness effect, and its dry density is about 820kg/m
3
Embodiment 2
A kind of roof heat insulation insulating board is prepared by following steps:
1, cast surface layer
Operation is with embodiment 1 step 1;
2, cast bottom
1) takes by weighing the safe HTQ-1 type composite foamable agent 0.9kg of Henan China, add in the frothing machine, and fully foam through compressed air after adding the 40kg tap water;
2) take by weighing cement 440kg, S95 slag powders 189kg, sand 69kg, non-slow setting high-efficiency water-reducing agent of poly-carboxylic acid 5.1kg, water 270kg simultaneously; Add to mix in the mixer and stir; Slowly stir earlier 0.5min; The back is stir about 1.5min fast, adds 18.9kg curing compound (sodium chloride 15.12kg, calcium hydroxide 3.78kg) then, stirs 2min more fast and makes slip even;
Remaining step is with embodiment 1 step 2 step 3)-5).Resulting roof heat insulation insulating board is the insulating board that surface layer has brightness effect, and its thickness is 100mm, and dry density is about 910kg/m
3
Embodiment 3
A kind of roof heat insulation insulating board is prepared by following steps:
1, cast surface layer
Operation is with embodiment 1 step 1;
2, cast bottom
1) takes by weighing the safe HTQ-1 type composite foamable agent 0.8kg of Henan China, add in the frothing machine, and fully foam through compressed air after adding the 40kg tap water;
2) take by weighing cement 495kg, S95 slag powders 213kg, sand 77kg, non-slow setting high-efficiency water-reducing agent of poly-carboxylic acid 5.7kg, water 305kg simultaneously; Add to mix in the mixer and stir; Slowly stir earlier 0.5min; The back is stir about 1.5min fast, adds 21.3kg curing compound (sodium chloride 17.04kg, calcium hydroxide 4.26kg) then, stirs 2min more fast and makes slip even;
Remaining step is with embodiment 1 step 2 step 3)-5).Resulting roof heat insulation insulating board is the insulating board that surface layer has brightness effect, and its thickness is 100mm, and dry density is about 1000kg/m
3
Embodiment 4
A kind of roof heat insulation insulating board is prepared by following steps:
1, cast surface layer
1) take by weighing cement 33kg, S95 slag powders 25kg, sand 87kg, water 47kg mixes and adds quick stir about 5min in the mixer, processes cement mortar;
Remaining step is with embodiment 1, and resulting insulating board is the insulating board that surface layer does not have bright effect, and its thickness is 100mm, and dry density is about 820kg/m
3
According to GB/T10294-2008 " the mensuration protective heat plate method of thermal insulation material steady state heat resistance and related characteristics ", be 820kg/m to the dry density of the embodiment of the invention 1
3, thickness is that the thermal insulation thermal insulation board of 100mm is tested.The result is: coefficient of thermal conductivity 0.165W/ (mK), thermal resistance correction factor are 1.15.If laying the thickness of the cement mortar of building this thermal insulation thermal insulation board by laying bricks or stones is 20mm, the coefficient of thermal conductivity of cement mortar is 0.93W/ (mK); The roofing slab thickness is 140mm, and the floorslab concrete coefficient of thermal conductivity is 1.74W/ (mK); The effect of heat insulation of the thermal insulation thermal insulation board of embodiment 1 representes that with the thermal transmittance that calculates its thermal transmittance is 1.25W/ (m so
2K), satisfy the general Design on thermal insulation thermal transmittance≤1.60W/ (m of building
2K) requirement has good heat insulating effect.And through detecting, the compressive strength of the thermal insulation thermal insulation board of embodiment 1 is 4.6MPa, and the pedestrian who is enough to bear the 200kg body weight tramples, and satisfies function of use.Other performance parameters are asked for an interview table 1.
Table 1 embodiment 1 performance of products
According to GB/T 10294-2008 " the mensuration protective heat plate method of thermal insulation material steady state heat resistance and related characteristics ", be 1000kg/m to the dry density of embodiments of the invention 3
3, thickness is that the thermal insulation thermal insulation board of 100mm is tested.The result is: coefficient of thermal conductivity 0.183W/ (mK), thermal resistance correction factor are 1.05.If laying the thickness of the cement mortar of building this thermal insulation thermal insulation board by laying bricks or stones is 20mm, the coefficient of thermal conductivity of cement mortar is 0.93W/ (mK); The roofing slab thickness is 140mm, and the floorslab concrete coefficient of thermal conductivity is 1.74W/ (mK); The effect of heat insulation of the thermal insulation thermal insulation board of embodiment 3 representes that with the thermal transmittance that calculates its thermal transmittance is 1.48W/ (m so
2K), satisfy the general Design on thermal insulation thermal transmittance≤1.60W/ (m of building
2K) requirement has good heat insulating effect.And through detecting, the compressive strength of the thermal insulation thermal insulation board of embodiment 3 is 6.8MPa, and the pedestrian who is enough to bear the 200kg body weight tramples, and satisfies function of use.Other performance parameters are asked for an interview table 2.
Table 2 embodiment 3 performance of products
Can find out from foregoing and table 1-2: roof heat insulation insulating board of the present invention has that thermal and insulating performance is good, intensity is high; Have performances such as waterproof, fire prevention and sound insulation preferably; Can effectively improve fire-resistant safety of building masonry wall and comfortableness, reduce building and use energy consumption.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. roof heat insulation insulating board, it is characterized in that: be made up of surface layer and bottom, the comprehensive density of plate is 700 ~ 1000kg/m
3
The raw materials for production of said surface layer comprise the raw material of following mass percent:
Cement: 15 ~ 19%
Slag powders: 11 ~ 15%
Sand: 41 ~ 47%
Brightener: 0 ~ 0.8%
Water: 21 ~ 26%;
The raw materials for production of said bottom comprise the raw material of following mass percent:
Cement: 42 ~ 46%
Slag powders: 15 ~ 20%
Sand: 5.5 ~ 8.5%
Water reducing agent: 0.45 ~ 0.80%
Curing compound: 1.5 ~ 2.5%
Blowing agent: 0.07 ~ 0.25%
Water: 25 ~ 29%;
In the raw materials for production of said bottom, the quality of cementitious material is 6.5 ~ 12 times of sand, and the quality of said slag powders is no more than 45% of cement quality, and described cementitious material is meant cement and slag powders.
2. roof heat insulation insulating board according to claim 1 is characterized in that: described slag powders is the S95 slag powders.
3. roof heat insulation insulating board according to claim 1 is characterized in that: described sand is CHARACTERISTICS OF TAILINGS SAND, and particle diameter is less than 0.3mm.
4. roof heat insulation insulating board according to claim 1 is characterized in that: described curing compound is made up of 80% sodium chloride and 20% calcium hydroxide, and described percentage accounts for the percentage of curing compound gross mass for each composition.
5. roof heat insulation insulating board according to claim 1 is characterized in that: the thickness of said roof heat insulation insulating board is 100-120mm, and wherein surface thickness is 5 ~ 7mm.
6. roof heat insulation insulating board according to claim 1 is characterized in that: the mass ratio of said water and cementitious material is less than 0.50.
7. the production method of each described roof heat insulation insulating board of claim 1-6 is characterized in that may further comprise the steps:
1, cast surface layer
(1) takes by weighing raw material, raw material is mixed, stir into cement mortar;
(2) cement mortar is injected mould, the thickness after slip shakeouts is 5 ~ 7mm, gently shakes mould to discharge the bubble in the slip, leaves standstill;
2, cast bottom
(1) get blowing agent, add blowing agent quality 30-50 water doubly and foam, subsequent use;
(2) cement, slag powders, sand, water reducing agent are mixed with the remaining water of foaming, stir; Add curing compound again, obtain slip after stirring;
(3) foam that step (1) foaming is finished is blown in the slip of step (2), stirs, and obtains the foam concrete slip;
(4) the foam concrete slip casting is gone into step 1 and poured into a mould in the mould of surface layer, leave standstill behind 10 ~ 15min slip unnecessary in the mould is wipeed off, cover mould with plastic sheeting, natural curing 24 ~ 36 hours, the demoulding then obtains the roof heat insulation insulating board; The bottom cast is no more than 1 hour with surface layer cast interval time.
8. each described roof heat insulation insulating board application in the roofing heat preservation and insulation material of claim 1-6.
9. the application of roof heat insulation insulating board according to claim 8 in the roofing heat preservation and insulation material; It is characterized in that: during use; Each described roof heat insulation insulating board of claim 1-6 directly laid on the roofing floor build by laying bricks or stones, gets final product with the cement mortar bonding is fixing under the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271270.7A CN102767263B (en) | 2012-07-30 | 2012-07-30 | Roof heat preservation plate and production method and application for roof heat preservation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210271270.7A CN102767263B (en) | 2012-07-30 | 2012-07-30 | Roof heat preservation plate and production method and application for roof heat preservation plate |
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| CN102767263A true CN102767263A (en) | 2012-11-07 |
| CN102767263B CN102767263B (en) | 2014-04-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106217591A (en) * | 2016-07-21 | 2016-12-14 | 山东九曲圣基新型建材有限公司 | A kind of manufacturing process of Side fascia |
| CN107473655A (en) * | 2017-08-08 | 2017-12-15 | 江苏康美新材料科技有限公司 | A kind of fire resisting integrated heat insulating decorating plate preparation method |
| CN108329006A (en) * | 2018-03-05 | 2018-07-27 | 公主岭光盐捌佰装饰材料有限公司 | The preparation method of halogenation decoration lighting salt block salt |
| CN109020611A (en) * | 2018-08-27 | 2018-12-18 | 桂林桂特板业有限公司 | A kind of insulated fire calcium silicate board |
| CN113582621A (en) * | 2021-08-14 | 2021-11-02 | 山东芳林昊天住宅工业科技有限公司 | Heat-preservation and heat-insulation filling material |
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| CN101519898A (en) * | 2009-02-17 | 2009-09-02 | 河南省绿韵建材有限公司 | Inverted-type roofing heat-insulation light plate and preparation method thereof |
| CN101684671A (en) * | 2009-08-21 | 2010-03-31 | 李珠 | Integral type thermal insulation building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106217591A (en) * | 2016-07-21 | 2016-12-14 | 山东九曲圣基新型建材有限公司 | A kind of manufacturing process of Side fascia |
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| CN108329006A (en) * | 2018-03-05 | 2018-07-27 | 公主岭光盐捌佰装饰材料有限公司 | The preparation method of halogenation decoration lighting salt block salt |
| CN109020611A (en) * | 2018-08-27 | 2018-12-18 | 桂林桂特板业有限公司 | A kind of insulated fire calcium silicate board |
| CN113582621A (en) * | 2021-08-14 | 2021-11-02 | 山东芳林昊天住宅工业科技有限公司 | Heat-preservation and heat-insulation filling material |
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| Publication number | Publication date |
|---|---|
| CN102767263B (en) | 2014-04-16 |
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