CN100379702C - Heat insulating mortar and construction method thereof in floor radiation heating - Google Patents
Heat insulating mortar and construction method thereof in floor radiation heating Download PDFInfo
- Publication number
- CN100379702C CN100379702C CNB2006100482758A CN200610048275A CN100379702C CN 100379702 C CN100379702 C CN 100379702C CN B2006100482758 A CNB2006100482758 A CN B2006100482758A CN 200610048275 A CN200610048275 A CN 200610048275A CN 100379702 C CN100379702 C CN 100379702C
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- insulation layer
- thermal insulation
- heat insulating
- reflectance coating
- insulating 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 mortar with insulating effect, which comprises the following parts: cement, inorganic insulating material, regenerative dispersing emulsion powder, composite fiber, cellulose methyl ether and air-entrainer. The constructing method comprises the following steps: leveling cement mortar; paving insulating layer with adiabatic layer and reflecting film; opening pipe groove on the insulating layer with reflecting film; inserting heating coil pipe within water in the pipe groove on the reflecting film; fixing heat coil pipe and insulating layer through plastic pin.
Description
Technical field
The present invention relates to a kind of engineering with mortar and using method thereof, refer in particular to mortar, be specially a kind of heat insulating mortar, and disclose its constructional method in floor radiation heating with heat insulating usefulness.
Background technology
Along with improving constantly of high speed development of national economy and cities and towns living standards of the people, people have had higher requirement to indoor environmental quality, it is the pure and fresh health of air, temperature is comfortable pleasant etc., the adjustment of energy structure in addition, building energy conservation and the enforcement of pressing family metering heating fee system, a kind of new heating system---low temp hot water underfloor radiation heating arises.Low-temperature hot water floor radiation heating is that hot water pipeline (heating coil) is embedded in heating system in the house interior ground.As radiating surface, the floor is by in the convective heat exchange circumference air with whole ground in this system, also carries out radiation heat transfer with all around building enclosure and human body, thereby reaches heating effect, and its radiation heat transfer amount accounts for 50% of total heat.Heating demand according to human body, the ideal room temp should be " temperature foot and Liang Ding " that the traditional Chinese medical science is advocated, modern medicine also proves, foot's capillary vessel is less, and blood circulation is not as other position of health, especially when the underfooting temperature is low, people's whole body all can feel cold, so long-term, blood pressure also can correspondingly raise, and also can produce other disease.It is best heating system that radiant heat looses, and indoor surface temperature is even, and room temperature is from bottom to top successively decreased gradually, gives the cool good feel of the warm head of pin, does not cause the convection current of vitiated air, indoor very clean.Thereby form the thermal environment that really meets the human-body radiating requirement, improve blood circulation, enhance metabolism, cardiovascular disorder is had restraining effect; Particularly suitable to the elderly and children, for the patient of sacroiliitis, arteriosclerosis and obstruction of lower limbs prophylactic-therapeutic effect is arranged more; In addition, because indoor radiator and the arm thereof cancelled, increased usable floor area, be convenient to finishing and furniture and arrange that heating coil is imbedded in the concrete on ground, be destruction as nobody, work-ing life is more than 50 years, the burn into non-scaling has not significantly reduced radiator run, drip, leak water and maintenance to the worry that resident family brings, and can save maintenance cost.
At present, aspect the plate body structure laying of ground, the form that generally adopts in the engineering is a filling type, also claim traditional wet type way, promptly first with cement mortar screeding in reinforced concrete floor basic unit, lay thermal insulation layer then, thermal insulation layer comprises thermal insulation layer and reflectance coating, laying depth is not less than the high-density foaming of 20mm or extrusion type plastic foamboard as thermal insulation layer, the compound one deck aluminium foil in plate top is as reflectance coating, on aluminium foil layer, mat formation and pass to the heating coil of hot water, and heating coil and thermal insulation layer are fixed together with the plastics bail, build the thick pea gravel concrete of 40-60mm at last as packing layer, the ground decoration layer is then laid floor tile according to user's requirement on packing layer, granite slab or timber floor etc.This way has himself many advantage, but also sees the not enough and limitation that it exists in the engineering practice, to a certain extent, has hindered applying of it.For example: maintenance difficult; Initial cost is higher; Highrise buildings is strengthened the floor construction load; In many house decorations, adopt timber floor, limited during laydown;
Find in the present actual engineering that the radiant floor heating system initial cost is higher, roughly be equivalent to more than 2 times of conventional scatterer convection heating system, thereby restricted the development of floor heating, wherein except the factor of tubing, the earth construction layer material has also accounted for many ratios for this.Therefore there is the people to propose economical floor heating pattern, takes to cancel a series of technical measures such as thickness of not establishing thermal insulation layer (styrofoam), attenuate pipe laying layer between aluminium foil layer (reflectance coating), the floor, thereby reach the purpose that reduces the part initial cost.But, widely popularize building energy conservation in China, advocate under the situation of dividing family heat metering, reduce between the family and conduct heat, it is necessary laying thermal insulation layer.In addition, as preventing the heating coil major measure of heat radiation downwards, if the cancellation thermal insulation layer has increased difficulty for the calculating of room thermal load.Yet, utilize styrofoam as thermal insulation layer, its physicochemical property instability, and self also can distribute obnoxious flavour, the situation of local collapse will appear in non-refractory under the state of low-grade fever, and intensity does not reach service requirements.Aluminium foil is as reflectance coating, and itself and the firm performance of thermal insulation layer bonded are not high yet.
Summary of the invention
The present invention provides a kind of heat insulating mortar, and discloses its constructional method in floor radiation heating in order to solve the problems referred to above that the current floor radiant heating exists.
The present invention has adopted following technical scheme: a kind of heat insulating mortar, and its component and proportioning are by weight:
Cement: 30%-65%, inorganic heat preserving and heat insulation material: 30%-65%, redispersible latex powder: 2%-6%, conjugated fibre: 0.01%--0.5%, methyl cellulose ether: 0.1%-0.5%, water reducer: 0.1%-0.5%, air entrapment agent: 0.005%-0.05%; Wherein, conjugated fibre consists of anti-dimension, PP fiber and the xylon of towing, and its weight percent is: the anti-dimension 20%-40% that tows, PP fiber 30%-50%, xylon 20%-40%.
Above-mentioned inorganic heat preserving and heat insulation material can be pearlstone, also can be glass bead.
The preparation process of above-mentioned conjugated fibre is as follows: the anti-dimension of towing with aforementioned proportion places whipping device fully to stir earlier, make it be complete expanded shape, PP fiber with aforementioned proportion adds fully stirring in the whipping device again, make it be complete expanded shape, xylon with aforementioned proportion adds fully stirring in the whipping device at last, make it be complete expanded shape, conjugated fibre is promptly manufactured and is formed.
The preparation method of above-mentioned heat insulating mortar is as follows: in aforementioned each each component of ratio weighing, earlier with cement and conjugated fibre uniform mixing, in mixture, add redispersible latex powder, methyl cellulose ether, inorganic heat preserving and heat insulation material, air entrapment agent more successively, mix once more, promptly obtain heat insulating mortar of the present invention.
The constructional method of above-mentioned heat insulating mortar in floor radiation heating is as follows: earlier with cement mortar screeding, lay thermal insulation layer then in reinforced concrete floor basic unit, thermal insulation layer comprises thermal insulation layer and reflectance coating; The above-mentioned heat insulating mortar of laying depth 20mm-40mm is as thermal insulation layer, have tube seat on the thermal insulation layer, the compound one deck reflectance coating in thermal insulation layer top embeds the heating coil that passes to hot water on the reflectance coating in tube seat, and with the plastics bail heating coil and thermal insulation layer is fixed together.
Reflectance coating can be aluminium foil.
In order to increase bonded fixing between reflectance coating and the thermal insulation layer, and the reflecting properties of raising reflectance coating, the present invention also provides a kind of new reflecting material that can be used as reflectance coating, its component and proportioning are by weight: 50 orders-70 purpose mica and/or 300 orders-400 purpose kaolin 70%--80%, 70 orders-100 purpose quartz sand 2%--3%, cement 10%--20%, fiber 4%--7%, redispersable latex powder 3%--7%.
Spread upon on the thermal insulation layer after the dry mash water of said ratio mixed and get final product.
The present invention has substituted traditional styrofoam as the thermal insulation layer material by to the choosing of thermal insulation layer material, and has realized environmental protection toxicological harmless construction, has avoided all disadvantage of styrofoam as thermal insulation layer, and the 3-4 that its intensity can reach styrofoam doubly; Simultaneously, on thermal insulation layer, offer tube seat, and heating coil is embedded in it, be convenient on the one hand the location of heating coil, can also guarantee that on the other hand the workmen constructs in strict accordance with working drawing, prevent that construction party from using inferior materials and turning out substandard goods, in addition, also convenient remedial operation; The heat insulating coefficient of heat insulating mortar of the present invention is about 0.058W/m.k, and same concrete (heat insulating coefficient is about 1.74W/m.k) is compared, and heat-insulating property has improved nearly 30 times, therefore can reduce the floor construction load of Highrise buildings greatly; And introduced new reflecting material, increased bonded fixing between reflectance coating and the thermal insulation layer, and improved the reflecting properties of reflectance coating, and reduced the investment of radiant floor heating system on the whole, therefore, the present invention compares with prior art, has outstanding substantive distinguishing features and significant technical progress, has very high application prospect.
Embodiment
Embodiment 1: a kind of heat insulating mortar, and its component and proportioning are by weight:
Cement: 32.89%, inorganic heat preserving and heat insulation material: 65%, redispersible latex powder: 2%, conjugated fibre: 0.01%, methyl cellulose ether: 0.1%, water reducer: 0.1%, air entrapment agent: 0.005%; Wherein, conjugated fibre consists of anti-dimension, PP fiber and the xylon of towing, and its weight percent is: the anti-dimension 20% of towing, PP fiber 50%, xylon 30%.
Above-mentioned inorganic heat preserving and heat insulation material is a modified expanded perlite.
Redispersible latex powder is selected ethylene/vinyl acetate/vinylchlorid homopolymerization rubber powder altogether for use.
Water reducer is selected high efficiency water reducing agent for use, i.e. the trimeric cyanamide series high-efficiency water-reducing agent.
Air entrapment agent is selected acrylic acid epoxy resin synthesis type concrete air-entrainer, i.e. SB-G concrete air-entrainer for use.
The constructional method of above-mentioned heat insulating mortar in floor radiation heating is as follows: elder generation is with cement mortar screeding in reinforced concrete floor basic unit, lay thermal insulation layer then, thermal insulation layer comprises thermal insulation layer and reflectance coating, the above-mentioned heat insulating mortar of laying depth 20mm-40mm is as thermal insulation layer, have tube seat on the thermal insulation layer, the compound one deck reflectance coating in thermal insulation layer top embeds the heating coil that passes to hot water on the reflectance coating in tube seat, and with the plastics bail heating coil and thermal insulation layer is fixed together.
The present invention also provides a kind of new reflecting material that can be used as reflectance coating, and its component and proportioning are by weight: 50 purpose micas, 70%, 70 purpose quartz sand 3%, cement 20%, fiber 4%, polymer dispersion powder 3%.Polymer dispersion powder and fiber are the same.
Spread upon on the thermal insulation layer after the dry mash water of said ratio mixed and get final product.
Embodiment 2: a kind of heat insulating mortar, and its component and proportioning are by weight:
Cement: 65%, inorganic heat preserving and heat insulation material: 30%, redispersible latex powder: 5.89%, conjugated fibre: 0.01%, methyl cellulose ether: 0.1%, water reducer: 0.1%, air entrapment agent: 0.005%; Wherein, conjugated fibre consists of anti-dimension, PP fiber and the xylon of towing, and its weight percent is: the anti-dimension 40% of towing, PP fiber 40%, xylon 20%.
Above-mentioned inorganic heat preserving and heat insulation material is a glass bead.
Redispersible latex powder is selected ethylene/vinyl acetate copolymerization rubber powder for use.
Water reducer is selected high efficiency water reducing agent for use, i.e. the trimeric cyanamide series high-efficiency water-reducing agent.
Air entrapment agent is selected the SK-H air entrapment agent for use.
The constructional method of above-mentioned heat insulating mortar in floor radiation heating is as follows: elder generation is with cement mortar screeding in reinforced concrete floor basic unit, lay thermal insulation layer then, thermal insulation layer comprises thermal insulation layer and reflectance coating, the above-mentioned heat insulating mortar of laying depth 20mm-40mm is as thermal insulation layer, have tube seat on the thermal insulation layer, the compound one deck reflectance coating in thermal insulation layer top embeds the heating coil that passes to hot water on the reflectance coating in tube seat, and with the plastics bail heating coil and thermal insulation layer is fixed together.
The present invention also provides a kind of new reflecting material that can be used as reflectance coating, and its component and proportioning are by weight: 300 purpose kaolin, 80%, 100 purpose quartz sand 2%, cement 10%, fiber 4%, polymer dispersion powder 4%.Polymer dispersion powder and fiber are the same.
Spread upon on the thermal insulation layer after the dry mash water of said ratio mixed and get final product.
Embodiment 3: a kind of heat insulating mortar, and its component and proportioning are by weight:
Cement: 50%, inorganic heat preserving and heat insulation material: 45.35%, redispersible latex powder: 4%, conjugated fibre: 0.1%, methyl cellulose ether: 0.5%, water reducer: 0.1%, air entrapment agent: 0.05%; Wherein, conjugated fibre consists of anti-dimension, PP fiber and the xylon of towing, and its weight percent is: the anti-dimension 30% of towing, PP fiber 40%, xylon 30%.
Above-mentioned inorganic heat preserving and heat insulation material is a glass bead.
Redispersible latex powder is selected polyvinyl acetate (PVA) homopolymerization rubber powder for use.
Water reducer is selected high efficiency water reducing agent for use, i.e. the trimeric cyanamide series high-efficiency water-reducing agent.
Air entrapment agent is selected SJ type air entrapment agent for use.
The constructional method of above-mentioned heat insulating mortar in floor radiation heating is as follows: elder generation is with cement mortar screeding in reinforced concrete floor basic unit, lay thermal insulation layer then, thermal insulation layer comprises thermal insulation layer and reflectance coating, the above-mentioned heat insulating mortar of laying depth 20mm-40mm is as thermal insulation layer, have tube seat on the thermal insulation layer, the compound one deck reflectance coating in thermal insulation layer top embeds the heating coil that passes to hot water on the reflectance coating in tube seat, and with the plastics bail heating coil and thermal insulation layer is fixed together.
Present embodiment provides a kind of new reflecting material that can be used as reflectance coating, and its component and proportioning are by weight: 50 order micas and 400 purpose kaolin, 75%, 80 purpose quartz sand 2%, cement 15%, fiber 3%, polymer dispersion powder 5%.Polymer dispersion powder and fiber are the same.Mica and kaolin are at 0-100% and do not comprise between 0 and 100 these two end values with any than mixing.
Spread upon on the thermal insulation layer after the dry mash water of said ratio mixed and get final product.
Cement in the various embodiments described above is selected quick hardening sulphoaluminate cement for use, and intensity is 52.5 strength grades.
Claims (3)
1. heat insulating mortar, it is characterized in that: its component and proportioning are by weight:
Cement: 30%-65%, inorganic heat preserving and heat insulation material: 30%-65%, redispersible latex powder: 2%-6%, conjugated fibre: 0.01%-0.1%, methyl cellulose ether: 0.1%-0.5%, water reducer: 0.1%-0.5%, air entrapment agent: 0.005%-0.05%; Wherein, conjugated fibre consists of anti-dimension, PP fiber and the xylon of towing, and its weight percent is: the anti-dimension 20%-40% that tows, PP fiber 30%-50%, xylon 20%-40%.
2. the constructional method of heat insulating mortar in floor radiation heating according to claim 1: earlier with cement mortar screeding, lay thermal insulation layer then in reinforced concrete floor basic unit, thermal insulation layer comprises thermal insulation layer and reflectance coating; It is characterized in that: the heat insulating mortar according to claim 1 of laying depth 20mm-40mm is as thermal insulation layer, have tube seat on the thermal insulation layer, the compound one deck reflectance coating in thermal insulation layer top, embed the heating coil that passes to hot water on the reflectance coating in tube seat, and heating coil and thermal insulation layer are fixed together with the plastics bail.
3. as the constructional method of heat insulating mortar in floor radiation heating as described in the claim 2, it is characterized in that: the component of reflectance coating and proportioning are by weight: 50 orders-70 purpose mica and/or 300 orders-400 purpose kaolin 70%--80%, 70 orders-100 purpose quartz sand 2%--3%, cement 10%--20%, fiber 4%--7%, redispersable latex powder 3%--7%.
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CNB2006100482758A CN100379702C (en) | 2006-09-12 | 2006-09-12 | Heat insulating mortar and construction method thereof in floor radiation heating |
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CNB2006100482758A CN100379702C (en) | 2006-09-12 | 2006-09-12 | Heat insulating mortar and construction method thereof in floor radiation heating |
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CN100379702C true CN100379702C (en) | 2008-04-09 |
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Cited By (1)
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CN102358689A (en) * | 2011-08-10 | 2012-02-22 | 北京索利特新型建筑材料有限公司 | Redispersable latex powder phenolic foam incubation slurry |
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BE1018017A5 (en) | 2008-02-26 | 2010-04-06 | Nys Manu | LAYERED CONSTRUCTION WITH TUBE SYSTEM. |
CN101390480B (en) * | 2008-10-31 | 2010-10-27 | 李珠 | Manufacturing method of ultralow energy consumption day-light greenhouse |
CN101464016B (en) * | 2009-01-09 | 2010-06-09 | 武汉鸿图节能技术有限公司 | Intelligent ground heating system |
CN101907320B (en) * | 2010-08-06 | 2012-02-01 | 武汉鸿图节能技术有限公司 | Intelligent thin ground heating system |
CN102153309A (en) * | 2010-11-30 | 2011-08-17 | 浙江大学 | Preparation method of nano modifier for improving high-temperature deterioration performance of concrete |
CN102183058B (en) * | 2011-03-28 | 2013-05-22 | 河南永立建材有限公司 | Inorganic floor heating heat preservation template and preparation method thereof |
CN111620612A (en) * | 2020-05-13 | 2020-09-04 | 北京嘉洁能科技股份有限公司 | Heat storage layer and laying method thereof |
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US6660079B2 (en) * | 2001-03-01 | 2003-12-09 | Wacker Polymer Systems Gmbh & Co. Kg | Dry mortars with improved processing properties |
RU2237034C1 (en) * | 2003-03-06 | 2004-09-27 | ООО "Прикамская гипсовая компания" | Dry plaster mix |
CN1657476A (en) * | 2005-01-26 | 2005-08-24 | 上海大学 | Flyash dry powdered concrete interface treatment agent and its preparation method |
CN1749203A (en) * | 2005-07-14 | 2006-03-22 | 重庆大学 | Heat insulation and sound insulation material for flour and its preparing method |
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2006
- 2006-09-12 CN CNB2006100482758A patent/CN100379702C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6660079B2 (en) * | 2001-03-01 | 2003-12-09 | Wacker Polymer Systems Gmbh & Co. Kg | Dry mortars with improved processing properties |
RU2237034C1 (en) * | 2003-03-06 | 2004-09-27 | ООО "Прикамская гипсовая компания" | Dry plaster mix |
CN1657476A (en) * | 2005-01-26 | 2005-08-24 | 上海大学 | Flyash dry powdered concrete interface treatment agent and its preparation method |
CN1749203A (en) * | 2005-07-14 | 2006-03-22 | 重庆大学 | Heat insulation and sound insulation material for flour and its preparing method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102358689A (en) * | 2011-08-10 | 2012-02-22 | 北京索利特新型建筑材料有限公司 | Redispersable latex powder phenolic foam incubation slurry |
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