CN105198309B - Heating functionalization low-density ceramsite mattess material - Google Patents
Heating functionalization low-density ceramsite mattess material Download PDFInfo
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- CN105198309B CN105198309B CN201510549330.0A CN201510549330A CN105198309B CN 105198309 B CN105198309 B CN 105198309B CN 201510549330 A CN201510549330 A CN 201510549330A CN 105198309 B CN105198309 B CN 105198309B
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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
Present invention relates particularly to a kind of heating functionalization low-density ceramsite mattess material, its raw material and mass percent thereof be: cement 25-35%, haydite 20-40%, pottery sand 30-40%, haydite calcining flying dust 4-15%, carbon fiber 0.5-1.5%, an organic micron microballon 0.01-0.1%, tourmaline 0.1-1%, water reducer 0.1-1%, water-retaining agent 0.05-0.5%, hydrogel 0.1-1% of receiving.The present invention has that material application property is good, high intensity, low-density, decomposable asymmetric choice net formaldehyde and warm thermal-radiating advantage intentinonally.
Description
Technical field
Present invention relates particularly to a kind of heating functionalization low-density ceramsite mattess material, be mainly used in New Building Materials.
Background technology
For tackling the challenge of Global climate change, energy resource shortage, the deterioration of the ecological environment, the mankind are following the concept of Carbon cycle, with low-carbon (LC) for guiding, develop a circular economy, build low-carbon ecological city, popularize low-carbon green building.Chinese Green Building enters the large-scale development epoch, " 12 " period, has planned newly-built green building 1,000,000,000 square metres；At the end of 2015, the cities and towns new building of 20% reaches green building standard-required.
Building energy conservation is the important component part of green building, and along with the enforcement of China's Residential Building with Low Energy Consumption energy conservation standard, the insulation of building flooring is carried out in an all-round way.Haydite concrete is a kind of new product building flooring insulation, has lightweight, high-strength, insulation, sound insulation, fire prevention, simple structure, easy construction, with low cost and build with features such as life-spans, is roofing and the important component part of ground insulating system.Simultaneously, ground heat insulating material heat-insulation layer in floor heating facility is used to use, the radiation that can promote heat distributes, effectively utilize heat energy, reduce thermal loss, it is substantially reduced heat cost, heat-insulation layer, screed-coat and the bond quality of the material such as ground floor, floor tile, mechanical strength and durability can be improved, reduce the phenomenons such as the cracking of earth material, breakage, fragmentation such as floor.
Different from traditional structure or road haydite concrete, ground insulating special haydite concrete requires to realize certain mechanical property under low thermal conductivity.Thus it is guaranteed that the low-density of lightweight concrete, high fluidity and high intensity are to prepare the technological difficulties of light ceramsite concrete.
Research and application existing substantial amounts of report at present about haydite concrete earth material.Analyze these documents, be concentrated mainly on:
(1) standard aspect, has mainly specified intensity, density, heat conductivity and heat accumulation coefficient in the standard that current various places use, and to the application property index of material without reference to.Its reason is: in theory, in the slurry of high fluidity cementitious matter consumption can not very little, lower than 450kg/m3Time, almost cannot ensure the quality of concrete formation, generally should not less than 500kg/m3.And light ceramsite concrete ground prepare in it is generally required to bulk density be 1000-1200kg/m3, its cementitious matter material consumption is typically in 280-350kg/m3, increasing the quantity of cementitious matter, its density improves, and heat conductivity cannot meet design needs.
(2) from material prescription, the main raw material used includes: the Binder Materials such as cement, the light-weight aggregate of size particle diameter, mineral admixture, chemical admixture and water.From using technique, have employed water technology of prewetting in a large number and light-weight aggregate is prewetted water.By the ratio optimization of material, finally realize high fluidity and service behaviour is adjustable.
From above-mentioned document analysis it is found that it practice, current ground haydite concrete is low-density ceramsite concrete, realizing low-density while, it is ensured that its high fluidity is that engineering is actual and the difficult point of academia research；Simultaneously, it is contemplated that ground uses the requirement of function, if any under floor heating existence condition, the auxiliary heat dissipation on haydite concrete ground and the resistivity etc. to the big temperature difference.
Summary of the invention
It is an object of the invention to provide a kind of heating functionalization low-density ceramsite mattess material, have that material application property is good, high intensity, low-density, decomposable asymmetric choice net formaldehyde and a warm thermal-radiating advantage intentinonally.
To achieve these goals; the technical scheme is that a kind of heating functionalization low-density ceramsite mattess material, its raw material and mass percent thereof be: cement 25-35%, haydite 20-40%, pottery sand 30-40%, haydite calcining flying dust 4-15%, carbon fiber 0.5-1.5%, an organic micron microballon 0.01-0.1%, tourmaline 0.1-1%, water reducer 0.1-1%, water-retaining agent 0.05-0.5%, hydrogel 0.1-1% of receiving.
By such scheme, described cement is 42.5 or ratings above portland cement or sulphate aluminium cement.
By such scheme, described haydite is that density is at 400～550kg/m3, particle diameter is one or more compounds of the haydites of book structure of 5-15mm continuous grading, lytag, sludge ceramsite.
By such scheme, described pottery sand be particle diameter less than 5mm, one or more compounds of the water absorption rate shale pottery less than 30%, flyash ceramic sand, mud pottery sand.
By such scheme, described haydite calcining flying dust refers to the fume duct fly ash caught by dust-precipitator produced in haydite preparation process because of burning agricultural wastes.
By such scheme, described carbon fiber is the length one at the polyacrylonitrile-based carbon fibre of 3-12mm, asphalt base carbon fiber.
By such scheme, described organic organic micro-nano spheroidal particle receiving micron microballon to be granularity be 10-100nm.
By such scheme, described tourmaline is the fineness crude tourmaline powder at 800-3000 order.
By such scheme, described water reducer is the one of polycarboxylate water-reducer or melamine water reducing agent.
By such scheme, described water-retaining agent is one or more in methylcellulose, carboxymethyl cellulose, carboxylic propyl methocel or carboxylic base cellulose.
The present invention has that material application property is good, high intensity, density are low, good in thermal property, decomposable asymmetric choice net formaldehyde and warm thermal-radiating advantage intentinonally.Such as, (1) high fluidity and low-density: except strengthening except adopting the additives such as conventional water reducer to realize mobility, introduce this inorganic spheroidal particle of haydite fume duct fly ash and an organic micron microballon of receiving, reduce the consumption of the high water suction pottery sand of part, this adds the quantity of powder on the one hand, utilize the spherical ball effect of flying dust and microballon on the other hand, improve the mobility of slurry；Meanwhile, inorganic spheroidal particle and an organic micron microballon of receiving are lightweight spheroidal particle, this reduces the bulk density of material and water absorption rate；(2) principle that intensity improves: on the one hand, the inorganic spheroidal particle of increase and organic micron microballon of receiving materially increase the quantity of slurry, make slurry surround haydite and pottery sand is more tight, thus improve concrete intensity；On the other hand, the addition of carbon fiber makes mutually to bond between haydite particles, and between slurry, intensity increases, and also further increases the intensity of system；(3) decomposable asymmetric choice net formaldehyde, tourmaline is a kind of typical negative ion type functional material, the environment that water content is higher lost efficacy, do not reach the purpose of anion releasing effect, but when being used in conjunction with ground heating system, owing to there is the continuous heating effect of floor heating, it can activate again, therefore, being implanted in this material sustainable decomposition floor or formaldehyde in ground plate bond, reducing, thus playing, the purpose that architecture indoor is polluted；(4) board radiation heating intentinonally, on the one hand, the heat conductivity of haydite concrete is relatively low; floor heating energy can substantially to indoor unidirectional delivery, and on the other hand, carbon fiber also has stronger infra-red radiation ability; therefore, floor panel heating is had a significant effect by this material.In addition, also in improving material speed of application, minimizing construction pitted skin etc., there is obvious advantage in this material, such as two kinds of light-weight inorganic spheroidal particle and organic addition receiving micron microballon reduce slurry density, during construction, slurry part floats, thus being conducive to improving concrete surface slurry quantity, decrease construction pitted skin；Tourmaline reacts liberated heat with water for the first time, improves the temperature of system, is conducive to shortening working hours.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but present disclosure is not limited solely to the following examples.
Embodiment 1:
A kind of heating functionalization low-density ceramsite mattess material, its raw material used and mass percent thereof are 42.5 grade silicon acid salt cements 25%, (its density is 400～550kg/m to particle diameter 5-15mm continuous grading haydites of book structure 30%3), the following shale pottery 30% (its water absorption rate is less than 30%) of particle diameter 5mm, haydite calcining flying dust 14.14% (described haydite calcining flying dust refers to the fume duct fly ash caught by dust-precipitator produced in haydite preparation process because of agricultural wastes such as combusting rice hulls), commercial polypropylene itrile group carbon fiber 0.5% (carbon fiber length is at 3-12mm), organic polystyrene receives micron microballon 0.01% (it is the organic micro-nano spheroidal particle of granularity 10-100nm), commercially available tourmaline powder 0.1% (fineness is at the crude tourmaline powder of 800-3000 order), polycarboxylate water-reducer 0.1%, methylcellulose 0.05%, commercially available hydrogel 0.1%；During use, first by portland cement, haydite calcining flying dust, polyacrylonitrile-based carbon fibre, an organic micron microballon, commercially available tourmaline powder, polycarboxylate water-reducer, methylcellulose, commercially available hydrogel Homogeneous phase mixing received, adding water after stirring, adding haydites of book structure and shale pottery stirring 3-5min, can to obtain density be 1000kg/m3, heat conductivity is 0.15-0.20W/m K, and intensity is the warming ground haydite concrete of LC15 rank.
Embodiment 2:
A kind of heating functionalization low-density ceramsite mattess material, its raw material used and mass percent thereof are 52.5 grade sulphate aluminium cements 35%, (its density is 400～550kg/m to particle diameter 5-15mm continuous grading sludge ceramsite 20%3), following mud pottery sand 30% (its water absorption rate is less than 30%) of particle diameter 5mm, haydite calcining flying dust 10% (described haydite calcining flying dust refers to the fume duct fly ash caught by dust-precipitator produced in haydite preparation process because of agricultural wastes such as combusting rice hulls), commercial polypropylene itrile group carbon fiber 1.4% (carbon fiber length is at 3-12mm), micron microballon 0.1% (it is the organic micro-nano spheroidal particle of granularity 10-100nm) received by commercially available organic polystyrene, commercially available tourmaline powder 1% (fineness is at the crude tourmaline powder of 800-3000 order), melamine water reducing agent 1%, carboxylic propyl methocel 0.5%, commercially available hydrogel 1%；During use, first by sulphate aluminium cement, haydite calcining flying dust, polyacrylonitrile-based carbon fibre, an organic micron microballon, commercially available tourmaline powder, melamine water reducing agent, carboxylic propyl methocel, commercially available hydrogel Homogeneous phase mixing received, adding water after stirring, adding sludge ceramsite and mud pottery sand stirring 3-5min, can to obtain density be 900kg/m3, heat conductivity is 0.14-0.20W/m K, and intensity is the warming ground haydite concrete of LC15 rank.
Embodiment 3:
A kind of heating functionalization low-density ceramsite mattess material, its raw material used and mass percent thereof are 42.5 grade silicon acid salt cements 30%, (its density is 400～550kg/m to particle diameter 5-15mm continuous grading lytag 27.6%3), flyash ceramic sand 30% (its water absorption rate is less than 30%), haydite calcining flying dust 10% (described haydite calcining flying dust refers to the fume duct fly ash caught by dust-precipitator produced in haydite preparation process because of agricultural wastes such as combusting rice hulls), commercial polypropylene itrile group carbon fiber 1% (carbon fiber length is at 3-12mm), micron microballon 0.1% (it is the organic micro-nano spheroidal particle of granularity 10-100nm) received by commercially available organic polrvinyl chloride, commercially available tourmaline powder 0.5% (fineness is at the crude tourmaline powder of 800-3000 order), water reducer 0.5%, carboxylic propyl methocel 0.2%, hydrogel 0.1%；During use, first by portland cement, haydite calcining flying dust, polyacrylonitrile-based carbon fibre, an organic micron microballon, commercially available tourmaline powder, polycarboxylate water-reducer, carboxylic propyl methocel, commercially available hydrogel Homogeneous phase mixing received, adding water after stirring, adding lytag and flyash ceramic sand stirring 3-5min, can to obtain density be 1100kg/m3, heat conductivity is 0.16-0.22W/m K, and intensity is the warming ground haydite concrete of LC15 rank.
Claims (4)
1. a heating functionalization low-density ceramsite mattess material, its raw material and mass percent thereof be: cement 25-35%, haydite 20-40%, pottery sand 30-40%, haydite calcining flying dust 4-15%, carbon fiber 0.5-1.5%, an organic micron microballon 0.01-0.1%, tourmaline 0.1-1%, water reducer 0.1-1%, water-retaining agent 0.05-0.5%, hydrogel 0.1-1% of receiving；Described cement is 42.5 or ratings above portland cement or sulphate aluminium cement；Described haydite is that density is at 400～550kg/m3, particle diameter is one or more compounds of the haydites of book structure of 5-15mm continuous grading, lytag, sludge ceramsite；Described pottery sand be particle diameter less than 5mm, one or more compounds of the water absorption rate shale pottery less than 30%, flyash ceramic sand, mud pottery sand；Described haydite calcining flying dust refers to the fume duct fly ash caught by dust-precipitator produced in haydite preparation process because of burning agricultural wastes；Described organic organic micro-nano spheroidal particle receiving micron microballon to be granularity be 10-100nm；Described tourmaline is the fineness crude tourmaline powder at 800-3000 order.
2. heating functionalization low-density ceramsite mattess material according to claim 1, is characterized in that: described carbon fiber is the length one at the polyacrylonitrile-based carbon fibre of 3-12mm, asphalt base carbon fiber.
3. heating functionalization low-density ceramsite mattess material according to claim 1, is characterized in that: described water reducer is the one of polycarboxylate water-reducer or melamine water reducing agent.
4. heating functionalization low-density ceramsite mattess material according to claim 1, is characterized in that: described water-retaining agent is one or more in methylcellulose, carboxymethyl cellulose, carboxylic propyl methocel or carboxylic base cellulose.
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| CN106747092A (en) * | 2016-12-16 | 2017-05-31 | 吴中区穹窿山天仲高分子材料技术研究所 | A kind of environment-friendly type low-density ceramsite mattess material |
| CN107056150A (en) * | 2016-12-29 | 2017-08-18 | 吴中区穹窿山德毅新材料技术研究所 | A kind of new terrestrial material and preparation method thereof |
| CN109180096A (en) * | 2018-08-31 | 2019-01-11 | 郭迎庆 | A kind of haydite track acoustic board |
| CN111646747B (en) * | 2020-05-20 | 2021-12-03 | 深圳市东大洋建材有限公司 | Lightweight ceramsite concrete and preparation method thereof |
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