CN102010168A - Baking-free hollow thermal insulation blocks and preparation method thereof - Google Patents
Baking-free hollow thermal insulation blocks and preparation method thereof Download PDFInfo
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Abstract
The invention discloses baking-free hollow thermal insulation blocks and a preparation method thereof. The baking-free hollow thermal insulation blocks are characterized by being prepared from the following raw materials in part by weight: 100 to 115 parts of waste ceramsite, 110 to 130 parts of cement, 90 to 100 parts of flyash, 23 to 27 parts of pearlstone, 190 to 210 parts of mountain flour, 170 to 190 parts of rive stone, 170 to 190 parts of river sand and 39 to 41 parts of water. Waste ceramic is adopted to be prepared into the waste ceramsite to replace partial natural sandstone, and the flyash replaces partial natural sand and cement, so that the damage to natural resources is reduced. The pearlstone is adopted to serve as fine aggregate of concrete to regulate the porosity of mortar and improve construction workability. The product has good mechanical properties and durability, also has good thermal insulation property, improves the thermal insulation capacity of buildings, and is suitable for various thermal insulation projects. The use and construction of the baking-free hollow thermal insulation blocks are same as that of a common block construction method. The technical scheme has the advantages that: the process is easy to operate, the raw materials are readily available and cheap, the production cost is lower, and the economic and social benefits are better.
Description
Technical field
The invention belongs to the building heat preservation technical field, relate to a kind of unburned hollow heat-insulation building block and preparation method thereof.
Background technology
China is maximum in the world at present masonry concrete building big country, and according to Chinese architecture building block association statistics, China's small concrete block annual production 1992 was 6,000,000 m
3, reached 2000m in 1993
3(the conversion brick is 14,000,000,000), statistics in 1998 annual production has reached 3500m
3, the total area of all kinds of building blocks has reached 8,000 ten thousand m
3According to incompletely statistics, the total completed floor space of building block building in 1999 is own near 200,000,000 m
3China's house gross building area was 40,000,000,000 m in 2009
2, will reach 70,000,000,000 m to the year two thousand twenty
2To the deficiency of building energy conservation understanding, a large amount of buildings belonged to the high energy consumption building in the past, and China unit's floor area of building heating energy consumption is about 3 times of the close country of weather.In order to implement protection soil this fundamental state policy, avoid building and agricultural contention soil, country forbids strictly the use of clay solid brick and adopts other new wall material.Small concrete block masonry is exactly the optimal selection of current instead of clay brick, and it has draws materials easily, makes advantages such as simple, that constructing operation is convenient.Therefore, the development concrete small size hollow building block is an inexorable trend.Building made of hollow building blocks not only has technical economic benefit preferably, and has huge social benefit and environmental benefit at native, energy-conservation, the sharp aspect such as give up of joint, meets the trend of architectural development.
The macroscopic void hollow brick is built the lime and bricks that adopt by laying bricks or stones more at present, and brickwork joint is thick, and heat retaining property is poor, and brick and mortar all do not reach the requirement of single material of construction body of wall energy-conservation 50% and 65%.Studies have shown that " the pause thermosteresis 70% of (Porton) brick wall of POLO is to scatter and disappear by mortar joint; therefore also need develop build with insulation splits seam, low-cost binding agent supporting with it; position puzzle joint thickness reduce to 2 delete following; and binder material possesses higher heat-proof quality, to reduce the puzzle joint calorific loss.One hand tile have many good qualities and also make one hand tile used can effectively utilize some waste materials, as flyash, abandoned mine slag etc.This both can utilize local industrial waste, reduced ash and took up an area of, again can pollution abatement, achieve many things at one stroke.Aspect this, China has accumulated the sophisticated experience of a lot of preciousnesses, suits measures to local conditions so employed building block is easier in the wall reform process, gathers materials on the spot.Now take passages relevant prior art as follows:
A, application number 200910022110.7, a kind of each method of system of building the insulating binder of sintered heat insulating hollow building block by laying bricks or stones.This method is main raw material with flyash, and adds CaO and NaOH as exciting agent at flyash, wherein, adds CaO content to 10～15% that CaO adjusts flyash; Add NaOH, adjust the Na of flyash
2O+K
2O content to 15～25%; After mixing, insert in the high pressure-temperature reactor, add water, in 130～150 ℃ of temperature, operating pressure is heated and stirred 20～30min intermittently under 0.3～0.5Mpa condition, be incubated 3～5 hours, from the high pressure-temperature still, take out behind the naturally cooling: and then the borax of adding butt material total amount 3～5% is as the water-soluble slow-releasing acid as curing agent, stir, promptly make the sintered heat insulating hollow building block insulating binder.The chemical ingredients control of described flyash is often built in SiO
2Content 48～60%, Fe
2O
2Content is less than 4%, and CaO content is less than 15%, SO
2Content is less than 1%, and Na
2O and K
2The content of O is not limit.
B, Gionee tiger, the development of novel composite thermal insulation holllow building block, new wall material, 2007 1 phases.Adopt sandwich structure, outer layer protection panel 1, warming plate 2 and building block main body 3 parts constitute.Evenly be processed with " well " font netted groove on two big faces of warming plate.Purpose is and can closely be connected with outer layer protection panel and building block main body, strengthens the masonry security.On other four facets of warming plate, all be processed with groove.Warming plate is the EPS plate, is of a size of 390mmX90mmX60mm, density 〉=18kg/m
3Be connected by criss-cross high-density thermal-insulating sealing press strip between building block and the building block.In outer protective surface plate, place two-layer alkaline-resisting high-strength glass fibre grid cloth, to reduce the thickness of panel, strengthen its resistance to impact shock and weather resistance.Starting material:
(1) cement: ordinary Portland cement P.32R or P.042.5R;
(2) sand: fine sand and medium sand, silt content＜3%;
(3) stone of stone: 5～5mm, powder containing quantity＜3%;
(4) flyash: II level flyash;
(5) styrofoam: density rating 〉=18kg/m, flame retardant type;
(6) grid cloth: 5mmx5mm, alkaline-resisting high-strength;
(7) admixture: meet respective standard;
(8) blender: meet respective standard.
C, Wang Gongqiang, high-performance compound insulating material haydite concrete be in application in engineering, architecture/engineering,, the 19th phase in 2009.
1. the concrete preparation of high-performance high-strength ceramsite
(1) the technical requirement of haydite concrete
28d ultimate compression strength reaches the CL25 grade, and concrete dry density is not more than 1400kg/m, and haydite concrete is a roof construction layer.
A. haydite: leca is produced in Chongqing.Its cylindrical compress strength is 4.3MPa, and tap density is 525kg/m
3, apparent particle density is 890kg/m
3, voidage is 41%, water-intake rate is 8.2%.The preparation of haydite concrete particularly need be used as the high-strength ceramsite concrete of structural sheet, and special requirement haydite intensity tube pressure value is enough, and for example the CL25 concrete begins to join examination time and again through the laboratory examination and joins.Intensity is difficult to reach requirement, its area, former because Kunming the haydite intensity tube pressure value of producing not enough.
B. fine aggregate (A material): can satisfy the pottery sand that " light aggregate concrete technical regulation " (JGJ51-90) requires light fine aggregate.For improving economy, also can select for use a kind of industrial residue to replace pottery sand.The slag sand good as grain composition.
C. cement: the 425# Portland blast is produced in good magnificent cement mill, Kunming.
D. adulterant (B material): a kind of fine industrial waste powder.Mix the people in right amount and can improve haydite concrete workability and weather resistance, especially can improve the denseness of concrete mix.
E. special fibre (C material): mix the tensile strength that can significantly improve haydite concrete in right amount, prevent to produce the crack at the structural mutation position.
F. high efficiency water reducing agent (D material): the efficient naphthalene water reducer of a kind of bleed type.
(2) determine the haydite concrete proportioning.
(3) system of mixing of haydite concrete
A. the preparation work before stirring.Before haydite concrete is mixed system, must sieve, water is vexed.Haydite sieves, water is vexed: in order to remove foreign material and the fine powder in the haydite.After marching into the arena, haydite wanted sieve twice.First pass sieves (sieve aperture is 30ram) with the wide aperture, and second time too small aperture sieve (sieve aperture is 5mm) is controlled at 5mm particle diameter content and is not more than 5% requirement, should evenly water on the haydite heap before building, and haydite is vexed, and the vexed time of water should be no less than 5d.
B. stir: earlier all by weight aggregate, cement, water and admixture.The metering permissible variation of aggregate should be less than ± 3%, and cement, water and admixture metering permissible variation should be less than ± 2%.Because haydite carries out the vexed processing of water in advance, according to the water ratio of taking a sample test haydite, adjust the water consumption of proportioning before therefore stirring.Adopt the order of addition(of ingredients) of self-dumping mixer to be: add 1/2 water consumption earlier, add coarse-fine aggregate and cement then, stir about 1min adds the remaining water yield again, continues to stir to be no less than 2rain; Adopt the order of addition(of ingredients) of forced mixer to be: to add fine aggregate, cement and coarse aggregate earlier.Stir about 1min adds water continuation stirring again and is no less than 2rain.Churning time should be longer slightly than normal concrete. about about 3rain.
2. the cast of haydite concrete
(1) spreading the haydite concrete that has stirred, with spade concrete is layered in the basic unit, is that standard is paved ash with the good absolute altitude line of ink marker of bullet, exceeds 3ram than levelling absolute altitude, uses vibration board jolt ramming levelling then.During as thinner thickness, can be real with clap densification with spade and special wooden bat plate, and use big thick stick levelling immediately with the shop, rub with the hands flat or real with wooden float with the billowing densification of iron, all operating process will be finished in 2h.
Smash because of paying special attention to shake when (2) haydite concrete is constructed, improper when the construction shake is smash because haydite density is littler than water as having slightly, the haydite in the concrete is all floated, the generation segregation phenomenon influences concrete structure.For avoiding the generation of above-mentioned phenomenon, in the construction, we find to take following measure effectively to address the above problem:
A. strict control haydite concrete proportioning reduces slump as far as possible.Stir.
B. because the vibrations of plate pulsator are compression type directivity (linearities).Shake is smash and should be adopted flat electromagnetic shaker during construction, and the vibrations of insert shock club are freely to disperse, and can cause the haydite come-up, produce segregation phenomenon, so forbid to use the insert shock club.
Should try one's best when (3) building the haydite concrete bed course and not stay or stay less construction joint; as must stay construction joint the time; use flitch or plank and keep off disconnected Cha Chu; construction joint is preferably stayed between doorway and the aisle; or stay in the middle of the axis of blank wall; should continue again to build at construction joint place brushing grout (w/C is 0.4～0.5) key coat when connecing raft.The maintenance of should sprinkling water after building.Intensity can be carried out the next procedure operation after reaching 1.2MPa.
(4) during winter construction, must not sprinkle water on the haydite and endure cold, should have enough lagging materials to cover.The in-house operation temperature will be more than+5 ℃.
D, application number 200610140608.X hollow heat-insulation building block and preparation method thereof.Be a kind of unburned product, after the slurry drying, form brilliant knot lattice, low energy is born the pressure of 1.0MPa, and the pressure that high energy bears is up to 2.0MPa, and its thermal conductivity is 8 times that common brick hinders warm ability at 0.08～0.1W/mK;
Mainly make by the raw material of following weight part:
1～3 part of 0.5～1.5 part of acidify magaldrate lagging material additive and pearlstone.
The preparation method may further comprise the steps:
(1) takes by weighing each raw material by following weight part: 1～3 part of 0.5～1.5 part of acidify magaldrate lagging material additive and pearlstone;
(2) above-mentioned raw materials is mixed after, be incorporated as the water of mixture total weight 30～40%, use traditional brickmaking technology pressing to make holllow building block, do not calcine and be drying to obtain.
E, application number 200510012838.3, a kind of composite thermal insulation hollow block.This disclosure of the Invention a kind of composite thermal insulation hollow block; form by protective layer and thermal insulation layer; be thermal insulation layer between the two-layer protective layer; the protective layer inboard is provided with cellular hole; with form the close cavity of envelope after the tight crimping of thermal insulation layer, and staggered crimping between protective layer and the thermal insulation layer, make building block on; down; a left side; right formation waved head; wave groove; periphery at protective layer is provided with fixedly strengthening groove in addition; fixedly strengthening groove and I-shaped latch fitting cooperate, and are used for being connected and fixed between the building block, the intensity height; mutual locking is asked in building block; controlled the distortion of masonry; the crack helps limiting transmission of heat by convection, improves heat insulating effect; clear up acoustic energy; need not do inside and outside insulation, meet the fire-protection standard requirement, can be made into decoration process; improve work efficiency, further reduce architecture assembly originally.
F, application number 200610136861.8, insulation hollow building-block for construction.This disclosure of the Invention a kind of insulation hollow building-block for construction, form by top board, base plate, biside plate, top board, base plate, biside plate are that periphery forms the building block space, are provided with the heat insulation interior plug of the solid or hollow insulating that adapts with the building block spatial form in the described building block space.Replaced the heat-insulation and heat-preservation sheet with plug in heat insulation with solid or hollow insulating, made that the insulation thermofin is sealed around the building block space, the building block space and the external world do not have heat exchange, high insulating effect; When length was regulated in building block, plug stopped up space, non-frangibility in solid or hollow insulating was heat insulation, also can not reduce heat insulation effect, the easy construction at length adjustment place.
G, application number 200910058702.4, construction castoff composite silicate thermal insulation hollow block and preparation method thereof is characterized in that: its weight percent is formed and comprised: building castoff regeneration aggregate 20～68%, building castoff reclaimed sand 10～40%, building castoff regeneration powder and fiber 5～20%, silicate cement 6～20%, industrial waste (or claiming artificial lightweight aggregate) are or/and life foam waste 10～58% and binding agent 1～2%.
The preparation method comprises the following steps:
A, sorting building castoff: sub-elect discarded brick and tile, discarded concrete and discarded sand-lime part from building castoff, make particle after Mechanical Crushing, screening, washing, grain diameter is 4.75～20mm, makes the building castoff regeneration aggregate; The grain diameter that tails over from the screening step for preparing described building castoff regeneration aggregate is less than 4.75 parts of deleting, and the particle diameter of making after Mechanical Crushing, screening, water logging are washed is 1.18～4.73mm particle again, makes building castoff reclaimed sand; From building castoff, sub-elect plastics, wood materials, paper, ceramic tile or/and glass etc. partly, are processed into 180～1000 purpose powder or fibers through the ball mill ball milling, make building castoff regeneration powder and fiber; With the depleted polystyrene foamed plastics, the particle of the particle diameter 5mm that is processed into makes life foam waste; The dust and the mud that obtain from the depositing in water step for preparing described building castoff regeneration aggregate and/or the heavy step of water logging for preparing described building castoff reclaimed sand, make fecula again after the oven dry, press fecula more again: granule of polyvinyl alcohol or polyvinyl alcohol powder are 100: 3～8 the part by weight amount of getting, be processed into 180～1000 purpose powder through the ball mill ball milling, make binding agent;
B, batching: by building castoff regeneration aggregate 20～68%, building castoff reclaimed sand 10～40%, building castoff regeneration powder and fiber 5～20%, silicate cement 6～20%, industrial waste (or claiming artificial lightweight aggregate) or/and the weight percent of life foam waste 10～58% and binding agent 1～2% is got each component; Described industrial waste (or claim artificial lightweight aggregate) is Industrial emissions light-weight aggregate ore slag, slag or/and particles such as flyash, and grain diameter is 4.75～20mm;
C, preparation dryness concrete: with building castoff regeneration aggregate, building castoff reclaimed sand, building castoff regeneration powder and fiber, industrial waste (or claiming artificial lightweight aggregate) or/and life foam waste and binding agent are sent into forced mixer, after mix is even, add silicate cement again, stir and promptly make mixture, the water that adds the 20-30% of this mixture weight again stirs and promptly makes the dryness concrete;
D, moulding: the dryness concrete is sent into product forming machine through rotary conveyor, is product with 100 tons of compression shock extrusion formings;
E, maintenance: with product is quiet put 8～24 hours after, concentrate to do wet curing 5～15 days again, natural curing was put completely 28 days from quiet again, promptly made the construction castoff composite silicate thermal insulation hollow block product.The sale of can dispatching from the factory.
H, application number 200910045485.5, a kind of insulation blocks and utilize thermal insulation mortar to prepare the method for this insulation blocks comprises holllow building block, it is characterized in that: the hollow parts at holllow building block is filled with insulation block.Described thermal insulation mortar is the silt particle slurry, and the light granules with low thermal conductivity is selected in gathering materials wherein for use.The light granules of described low thermal conductivity comprises expansion polyphenyl particle, pearlstone, haydite, glass bead, expansion hydrocarbon stone and rubber grain.Described thermal insulation mortar, is made up of ordinary Portland cement, flyash, slag powders, light granules, Vinyl Acetate Copolymer buttermilk rubber powder, ether of cellulose, the poly-sour based water reducer, sodium laurylsulfonate, methyl silicon sodium alcoholate, water of connecing, the weight ratio of each component is: ordinary Portland cement 100, fine coal 0～50, slag powders 0～50, light granules 30～150, Vinyl Acetate Copolymer buttermilk rubber powder 0～5, ether of cellulose 0～0.2, gather and meet sour based water reducer 0～2, sodium laurylsulfonate 0～0.2, methyl silicon sodium alcoholate 0～2 rt 30～300.Described thermal insulation mortar, is made up of ordinary Portland cement, flyash, slag powders, light granules, Vinyl Acetate Copolymer buttermilk rubber powder, ether of cellulose, the poly-sour based water reducer, sodium laurylsulfonate, methyl silicon sodium alcoholate, water of connecing, the weight ratio of each component is: ordinary Portland cement 100, flyash 5～10, slag powders 5～10, light granules 50～100, Vinyl Acetate Copolymer buttermilk rubber powder 2～3, ether of cellulose 0.03～0.1, gather and connect sour based water reducer 0.1～1, sodium laurylsulfonate 0.03～0.1, methyl silicon sodium alcoholate 1～2 and water 100～200.
The preparation method is: by aforementioned each part by weight weighing each component, earlier with cement, flyash, slag powders, light granules, Vinyl Acetate Copolymer buttermilk rubber powder, ether of cellulose, poly-connecing in sour based water reducer, sodium laurylsulfonate, the methyl silicon sodium alcoholate adding mixing machine, again water is added in the mixing machine and stir, dissolve, obtain thermal insulation mortar, fill with thermal insulation mortar at the hollow parts of holllow building block again, wait obtain after the thermal insulation mortar sclerosis invent.Product ultimate compression strength 5-40MPa, bending and tensile strength are 0.20～0.70MPa, and slip resistance is 0.20～0.70MPa, and Young's modulus is 1 * 10
2～3 * 10
2MPa, shear modulus are 500～1000MPa, and linear expansivity is 0～0.04%, and the insulation blocks of heat transfer coefficient 0.20～0.40W/ (mz.K) can be produced for building block factory, is widely used in various building heat preservation engineerings.
In the prior art, what have is to pursue heat insulation effect, mixes a large amount of industrial wastes such as cinder in building block, the most nearly more than 80%; Generally insufficient because of burning, carbon content is higher, causes little building block water-intake rate mostly to surpass 15%, have up to 35%.Because water-intake rate is big, frost heaving failure power is big, causes the building block frost resistance poor, and serious truncation arrisdefect promptly appears in 25 freeze thawing, and loss of strength reaches more than 30%, has had a strong impact on quality product and construction quality.And artificial lightweight aggregate is because the porousness of material makes the mechanical characteristic of light-weight aggregate and normal concrete that very big-difference be arranged, breakdown point of ubiquity; Coarse aggregate in the light concrete (for example slag etc.) is lighter, and majority is ball-shaped, and easily come-up causes concrete laminated segregation; And porousness is brought high water absorbing capacity to light skeletal, and slump is reduced, and product strength is lower; In the conveying of producing with take off in the shake process, moisture content is extruded again and causes aggregate and cement stone interface water cement ratio to increase, reduction zone of transition intensity, even cause problems such as the loss of strength of the little building block of light-weight aggregate and weather resistance variation.In the prior art, the organic chemical industry's product of selecting for use that the technical scheme that has is too much is a raw material, makes the production cost of insulation blocks higher.
Summary of the invention
The object of the invention is, in order to overcome quality product and the production cost problem that exists in the prior art, provides a kind of unburned hollow heat-insulation building block and preparation method thereof.
The present invention takes following technical scheme to be:
1, the employing haydite replaces rubble and the cobble in the part concrete.Haydite has excellent performance, and is low as density, cylindrical compress strength is high, porosity is high, and coefficient of softening height, frost resistance are good, alkali resistant aggregate reaction excellence etc.Special because haydite density is little, inner porous, form, composition are than homogeneous, and certain intensity of tool and soundness, thereby have light weight, and be corrosion-resistant, freeze proof, antidetonation and good multifunctional characteristics such as isolated property.
2, determine rational cement consumption.Cement is as one of main component, its consumption affects the performance of light aggregate concrete. and very few will the influence with the EPS particulate of consumption bonds, thereby crossing, consumption can increase the thermal conductivity that concrete unit weight reduces material at most, increase cost, so satisfying under the prerequisite of mechanical property, should increase along light-weight aggregate particulate consumption as far as possible, reduce the consumption of cement.
3, adopt flyash, stone flour and grout to wrap up the EPS particle jointly, the hydration reaction of flyash can also improve concrete corrosion-resistant and water tolerance, can increase concrete degree of compactness, thereby improves the intensity of insulation blocks product.
4, adopt perlite to adjust the porosity of mortar, improve construction workability as concrete fine aggregate.Perlite also can improve the heat-insulating property of goods as a kind of lagging material after the adding in addition.
5, adopt river sand as concrete fine aggregate, play a part to fill and improve the strength of materials, but its consumption should not surpass 25% volume ratio, otherwise will increase concrete unit weight, and then reduce its heat-insulating property.
The present invention is achieved in that
Unburned hollow heat-insulation building block, starting material comprise cement, flyash, perlite, rubble or river stone, river sand and water, it is characterized in that: be added with waste material haydite and stone flour, each starting material component and parts by weight thereof comprise: 39～41 parts in 100～115 parts of waste material haydites, 110～130 parts of cement, 90～100 parts in flyash, 23～27 parts of perlites, 190～210 parts of stone flours, rubble or 170～190 parts in river stone, 170～190 parts in river sand and water.
Above-described waste material haydite is that particle diameter is the waste material haydite of 5～10mm.
Above-described cement is the silicate cement of 42.5MP.
Above-described flyash is that particle diameter is the flyash of 0.1～5mm.
Above-described perlite is that particle diameter is the perlite of 0.1～5mm.
Above-described stone flour is that particle diameter is the stone flour of 0.1～2mm.
Above-described rubble or river stone are that particle diameter is rubble or the river stone of 5～10mm.
Above-described river sand, silt content＜3%.
Unburned hollow heat-insulation building block and preparation method thereof, comprise batching slurrying, shaping and demoulding, indoor maintenance and field curing operation, it is characterized in that: the preparation method may further comprise the steps:
(1) batching slurrying is above-mentioned starting material to be dropped in the stirrer by weight stir according to a conventional method.
(2) shaping and demoulding with the compound that stirs MASA R250AF block machine at normal temperatures, vibratory compaction and the demoulding.
(3) indoor maintenance with mould brick at indoor maintenance 1d.
(4) field curing will at field curing 6～7d, promptly get unburned hollow heat-insulation building block product through indoor maintenance 1d mould brick packing piling.
This unburned hollow heat-insulation building block product quality indicator reaches the standard of " lightweight small size hollow concrete blocks " GB15229-2002.
Characteristics of the present invention and beneficial effect:
(1) the present invention adopts useless ceramic to be equipped with the natural sandstone of waste material haydite replacement part, reduces the destruction to natural resources.The waste material haydite has excellent performance, and is low as density, cylindrical compress strength is high, porosity is high, and coefficient of softening height, frost resistance are good, alkali resistant aggregate reaction excellence etc.Special because waste material haydite density is little, inner porous, form, composition are than homogeneous, and certain intensity of tool and soundness, thereby have light weight, corrosion-resistant, freeze proof, antidetonation and good multifunctional characteristics such as isolated property meet the circular economy concept of country's promotion and the industry policy of energy-saving and emission-reduction;
(2) the present invention adopts flyash to replace natural sand of part and cement, minimizing is to the destruction of natural resources, the hydration reaction of flyash can also improve concrete corrosion-resistant and water tolerance, can increase concrete degree of compactness, thereby improves the intensity of unburned hollow heat-insulation building block;
(3) the present invention adopts perlite to adjust the porosity of mortar as concrete fine aggregate, improves construction workability.Perlite also can improve the heat-insulating property of goods as a kind of lagging material after the adding in addition;
(4) technical scheme of the present invention does not consume clay, save energy, and heat-insulating property and shockproof properties are good, and the body of wall of building by laying bricks or stones is thin, can increase indoor usable floor area, has improved thermal and insulating performance, reaches the requirement of " Xia Redong cryogenic region energy Saving Design of Residential Buildings standard ";
(5) the present invention collects the environmental protection and energy saving material and novel wall is an one, and work-ing life is identical with buildings; Energy-saving and environmental protection, economic, practical; Not only have good mechanical performance and endurance quality, and have the excellent insulating performance, improve the insulated capacity of buildings, be fit to be applied to various heat insulating works.During use, it is identical in common building block constructional method.Technological operation is simple, and raw material is easy to get inexpensive, and production cost is lower, and economic benefit and social benefit are better.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Material is formed and parts by weight are:
40 parts in 180 parts in the river sand of 25 parts of the perlites that particle diameter is 120 parts of the silicate cements of 107.5 parts of waste material haydites, the 42.5MP of 6～10mm, 95 parts in flyash that particle diameter is 0.5～2mm, particle diameter is 1～3mm, 200 parts of the stone flours that particle diameter is 0.5～1.5mm, 180 parts in river stone that particle diameter is 5～7mm, silt content 1% and water.
The preparation method is:
To stir in the above-mentioned starting material input stirrer, the compound that stirs is in the vibratory compaction at normal temperatures of MASA R250AF block machine and the demoulding.Mould brick at indoor maintenance 1d, will at field curing 7d, promptly be got unburned hollow heat-insulation building block product through indoor maintenance 1d mould brick packing piling again.
This unburned hollow heat-insulation building block product quality indicator reaches the standard of " lightweight small size hollow concrete blocks " GB15229-2002.
Embodiment 2:
Material is formed and parts by weight are:
39 parts in 190 parts of the rubbles of 27 parts of the perlites that particle diameter is 110 parts of the silicate cements of 100 parts of waste material haydites, the 42.5MP of 5～7mm, 90 parts in flyash that particle diameter is 3～5mm, particle diameter is 4～5mm, 190 parts of the stone flours that particle diameter is 1～2mm, silt content 7～10mm, 190 parts in the river sand of silt content 2% and water.
The preparation method is:
Above-mentioned starting material are dropped in the stirrer by weight stir, compound MASA R250AF block machine at normal temperatures, vibratory compaction and the demoulding.Mould brick at indoor maintenance 1d, will at field curing 6d, promptly be got unburned hollow heat-insulation building block product through indoor maintenance 1d mould brick packing piling again.This unburned hollow heat-insulation building block product quality indicator reaches the standard of " lightweight small size hollow concrete blocks " GB15229-2002.
Embodiment 3:
Material is formed and parts by weight are:
41 parts in 170 parts in the river sand of 237 parts of the perlites that particle diameter is 130 parts of the silicate cements of 115 parts of waste material haydites, the 42.5MP of 7～8mm, 100 parts in flyash that particle diameter is 2～4mm, particle diameter is 0.5～1.5mm, 210 parts of the stone flours that particle diameter is 1～1.5mm, rubble that particle diameter is 6～8mm and 170 parts in river stone, silt content 2% and water.
The preparation method is:
Above-mentioned starting material are dropped into stirring pulping in the stirrer, compound MASA R250AF block machine at normal temperatures, vibratory compaction and the demoulding.Mould brick at indoor maintenance 1d, will at field curing 7d, promptly be got unburned hollow heat-insulation building block product through indoor maintenance 1d mould brick packing piling again.This unburned hollow heat-insulation building block product quality indicator reaches the standard of " lightweight small size hollow concrete blocks " GB15229-2002.
Claims (9)
1. unburned hollow heat-insulation building block, it is characterized in that: starting material comprise cement, flyash, perlite, rubble or river stone, river sand and water, and being added with waste material haydite and stone flour, each starting material component and parts by weight thereof comprise: 39～41 parts in 100～115 parts of waste material haydites, 110～130 parts of cement, 90～100 parts in flyash, 23～27 parts of perlites, 190～210 parts of stone flours, rubble or 170～190 parts in river stone, 170～190 parts in river sand and water.
2. unburned hollow heat-insulation building block according to claim 1, described waste material haydite is characterized in that: particle diameter is the waste material haydite of 5～10mm.
3. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described cement is the silicate cement of 42.5MP.
4. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described flyash particle diameter is the flyash of 0.1～5mm.
5. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described perlite particle diameter is the perlite of 0.1～5mm.
6. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described stone flour particle diameter is the stone flour of 0.1～2mm.
7. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described rubble or river stone are that particle diameter is rubble or the river stone of 5～10mm.
8. unburned hollow heat-insulation building block according to claim 1 is characterized in that: described river sand silt content＜3%.
Unburned hollow heat-insulation building block according to claim 1 and preparation method thereof, comprise batching slurrying, shaping and demoulding, indoor maintenance and field curing operation, it is characterized in that: the preparation method may further comprise the steps:
(1) batching slurrying is above-mentioned starting material to be dropped in the stirrer by weight stir according to a conventional method;
(2) shaping and demoulding with the compound that stirs MASA R250AF block machine at normal temperatures, vibratory compaction and the demoulding;
(3) indoor maintenance with mould brick at indoor maintenance 1d;
(4) field curing will at field curing 6～7d, promptly get unburned hollow heat-insulation building block product through indoor maintenance 1d mould brick packing piling.
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