CN104563379B - A kind of preparation method of EPS-foam cement composite self-insulation stalk building block - Google Patents
A kind of preparation method of EPS-foam cement composite self-insulation stalk building block Download PDFInfo
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Abstract
The preparation method that the invention discloses a kind of EPS-foam cement composite self-insulation stalk building block, composite block prepared by the present invention includes EPS warming plate die body and foam cement two parts；EPS warming plate die body is the middle rectangular structure for cavity, is provided with link enhancement muscle in cavity；Foam cement is filled in the cavity in EPS warming plate and the solidification of EPS warming plate die body is bonded together, as Sandwich materials.The EPS warming plate of building block of the present invention and foam cement tight bond, not easy to crack, long-time stability are good；High insulating effect, body of wall is without secondary isothermal holding；B1 level EPS warming plate, fire resistance is good；Production technology is simple, and is easy to construction, and integrated cost is relatively low.
Description
Technical field
The present invention relates to building material technical field, the preparation method being specifically related to a kind of EPS-foam cement composite self-insulation stalk building block.
Background technology
Along with the energy, the increasingly sharpening of crisis of resource, it is necessary to actively advocate green building, the facade lighting of strengthening building energy conservation.Adopt the various materials for wall with heat insulation function, not only can save ample resources, moreover it is possible to reduce energy resource consumption, reduce environmental pollution.
In this context, external thermal insulation system obtains and develops on an unprecedented scale.But through enforcement in recent years and application, it has been found that to the energy-conservation way that body of wall wraps, fundamentally do not solve the power saving of construction wall building enclosure, and bring the various problems such as safety, construction, cost.
Novel from energy-conservation walling and heat insulation system thereof because of its obvious energy-saving effect, represent the direction of wall reform development, increasingly get the nod.
Foaming agent is mechanically fully foamed by the foamed system that foam cement is by foaming machine, and by Binder Materials slurry Homogeneous phase mixing such as foam and cement, the pumping system then passing through foaming machine carries out cast-in-place construction or mould molding, a kind of lightweight fireproof insulating material containing a large amount of sealed porositys formed through natural curing, its advantage is that stable performance, deformation coefficient are little, not only fire protection flame retarding but also aging resistance, service life is relatively long, difficulty of construction is relatively small, engineering cost is relatively low, it is possible to cycling and reutilization.But, foam cement is due to the limitation in its formula and technical matters, and most of article constructions are single, are not sufficiently stable, and heat conductivity is higher, and heat-insulating property is not enough, and intensity is low, and pliability is poor, frangible rapid wear.
Polystyrene foam (ExpandedPolystyrene is called for short EPS) is a kind of light type high-molecule polymer.Organic EPS insulation material have lightweight, pliability good, machinability good, not broken, compactness is high, the advantage of good effect of heat insulation, shortcoming is that fire safety performance is not enough, deformation coefficient is big, not ageing-resistant, there is certain difficulty in practice of construction is applied.
How EPS combined with foam cement technology, overcome respective defect, comprehensive both advantages of performance, prepare a kind of Novel compound self heat-insulation building block, be one brand-new research topic of building material industry.
Existing EPS combine with foam cement manufacture building block mainly have two kinds of forms:
A kind of is the composite heat insulation block of EPS-foam cement sandwich structure, and the centre position of this building block is EPS warming plate, and both sides are foam cement；During preparation, in a mold first insert EPS warming plate, then in mould remaining space pouring foaming cement slurry, become insulation blocks through sawing after maintenance.
Another kind is to utilize Making mold to become the middle foam cement building block having various hole, then EPS sheet cuts into the shape that the hole with foam cement building block matches, and inserts in the hole, forms heat insulating composite building block.
Both structures, first all must use particular manufacturing craft when manufacturing foam cement building block, and production cost is higher, and the second heat insulation effect is also as one wishes not to the utmost, has much room for improvement, and still needs to secondary isothermal holding during as outer wall body.
Summary of the invention
The technical issues that need to address of the present invention are that the defect overcoming existing single insulating wall material, the preparation method that a kind of EPS-foam cement composite self-insulation stalk building block is provided, organic material EPS and inorganic material foam cement are combined by it, constitute composite, give full play to the respective advantage of bi-material, overcome respective deficiency, possess not easy to crack, long-term heat preservation is respond well, high-strength light, insulation, sound-adsorbing sound-insulating hung, construction is simple, cost is low waits Good All-around Property, it it is a kind of new material integrating building enclosure and wall thermal insulating function, meet the advanced direction of materials for wall development, it is particularly suitable for the construction in passive type house.
For solving the problems referred to above, the present invention adopts the following technical scheme that
The preparation method that the invention provides a kind of EPS-foam cement composite self-insulation stalk building block, described preparation method comprises the following steps:
1) preparation of EPS warming plate die body: prepare stalk building-brick type EPS warming plate die body with EPS material；Described EPS warming plate die body is the middle rectangular structure for cavity, is provided with link enhancement muscle in cavity；
2) preparation of foam cement slurry；
3) integrated molding: the foam cement slurry that stirring mixes is cast in EPS warming plate die body；Foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, becomes the composite thermal self-insulation building block of EPS-foam cement integration through maintenance.
Described EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove, and dovetail groove width is 0.5-5cm, and the degree of depth is 0.2-0.9cm, adjacent dovetail groove interval 1-5cm.
Two ends, described EPS warming plate die body left and right outer surface is provided with groove chimeric mutually and protruding band, and the position of groove and protruding band is in correspondence with each other, it is possible to realizing chimeric coupling, depth of groove and protruding band height is 0.2-2cm, and width is 1-20cm；In order to reserve bonding agent, mortar or mortar gap, the die body of same specification building block, the left and right both ends of the surface projection band little 0.1-0.5cm of aspect ratio depth of groove, protruding bandwidth 0.1-1cm less of recess width.
Described EPS warming plate die body inner surface is provided with raised strip, and protruding bandwidth is 1-5cm, is highly 0.2-0.9cm, the spaced 1-10cm of adjacent protrusion.
Described EPS warming plate die body wall thickness is 2-8cm, and link enhancement muscle thickness is 1-5cm, and link enhancement muscle is spaced apart in 5-50cm, EPS warming plate die body remaining space and is filled by the foam cement after hydration and hardening.
Described link enhancement muscle and EPS warming plate die body inwall connecting portion are step structure, and ladder height is 3-4cm；Strengthening upper and lower two end faces of muscle and be respectively provided with fluted, groove height is 4-30cm.
The dry volume density of described foam cement is 150-1600kg/m3；The weight of foam cement raw material is: cement 30-90 part, slag micropowder 0-30 part, flyash 0-30 part, Calx 0-10 part, water 25-35 part.
Described foam cement slurry preparation process is:
1) raw material mixing: by weight cement 30-90 part of foam cement raw material, slag micropowder 0-30 part, flyash 0-30 part, Calx 0-10 part, raw material is put in blender, add 25-35 part water, stir 2-10 minute, obtain cement oleo stock；
2) foaming: 0.2-0.8 part foaming agent and 2-16 part water mixed, utilizes foaming machine to manufacture foam, and the foam that will produce introduces blender, and foam and cement raw volume of slurry ratio is for 1:2-5；
3) it is stirred for: be stirred for 20 seconds-2 minutes, the foam cement slurry being uniformly mixed.
Described foaming agent is plant proteins foaming agent or rosin based foaming agent.
Concretely comprising the following steps of pouring foaming cement slurry: the foam cement slurry that stirring mixes is cast in EPS warming plate die body, described EPS warming plate die body bottom surface is closed, horizontal positioned, end face strikes off, stand maintenance, after hydrated cementitious to be foamed hardening, obtain EPS-foam cement composite self-insulation stalk building block.
EPS-foam cement composite self-insulation stalk building block prepared by the present invention, with high-performance EPS for die body, filling foam cement in its die body, makes building block die body and foam cement be cured as same entirety and define heat insulation building block, and can sawing be the building block of job site required size.Organic material EPS and inorganic material foam cement are combined by this composite self-insulation stalk building block, constitute composite, give full play to the respective advantage of bi-material, overcome respective deficiency.This heat insulation building block external form is simple, it is prone to processing, the chimeric design of the notch of building block left and right end portions can effectively intercept heat bridge, increase the thermal property of block material, possess high-strength light, insulation, sound-adsorbing sound-insulating hung, the excellent combination property such as construction is simple, cost is low, it is a kind of new material integrating building enclosure and wall thermal insulating function, meets the advanced direction of materials for wall technical development, be particularly suitable for the construction in passive type house.
Use composite self-insulation stalk building block prepared by the present invention, mate corresponding composite self-insulation T-shaped wall corner building block and L-shaped wall corner building block again, wall thermal insulating need not be done again process, insulation material and building same life-span, not only can reach the building energy-saving standard of advanced person, and outer wall cracking that existing external wall outer insulation exists, external thermal insulation can be overcome to come off, the defect such as heat-insulation layer poor durability.According to the southern and northern architecture enclosing revetment body different requirements to heat transfer coefficient, can increase together with corresponding composite self-insulation wall corner building block or reduce the thickness of styrofoam, realize factorial praluction flexibly, both the Winter protection in the north it had been suitable for, it is also applied for southern summer heat insulation, there is regional adaptability widely.
EPS-foam cement composite self-insulation stalk building block of the present invention, EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove, can strengthen it bonding with decorative mortar；EPS warming plate die body inner surface is provided with raised strip, can strengthen the connection of die body and foam cement；Two ends, the left and right outer surface of EPS warming plate die body is provided with groove chimeric mutually and protruding band, and the position of groove and protruding band is in correspondence with each other, it is possible to realizes the chimeric of notch, effectively blocks heat bridge；In order to strengthen building bonding strength horizontal between rear building block by laying bricks or stones, between die body left and right both ends of the surface projection band and groove, bonding agent, mortar or mortar gap can be reserved；In order to strengthen the bearing capacity of the EPS die body foam cement slurry to injecting, link enhancement muscle is set between die body front and rear wall；In order to increase the globality of foam cement in die body, the step structure being designed as filling foam cement between the upper and lower two ends of muscle and die body wall will be strengthened.In die body, the foam cement of filling is raw materials used is: cement, slag micropowder, flyash, Calx and water.Block strength and heat conductivity can be regulated and controled by the unit weight of adjustment foam cement.
Accompanying drawing explanation
Fig. 1 is EPS warming plate die body structural representation.
Fig. 2 is the composite thermal self-insulation building block structural representation of EPS-foam cement integration.
Detailed description of the invention
Embodiment 1
1), the preparation of EPS warming plate die body:
Stalk building-brick type EPS warming plate die body is prepared with EPS material；The structure of EPS warming plate die body is as it is shown in figure 1, described EPS warming plate die body is the middle rectangular structure 1 for cavity, and length × height × thickness=60cm × 36cm × 24cm, described EPS warming plate die body wall thickness is 5cm, is provided with link enhancement muscle 2 in cavity；Link enhancement muscle thickness is 5cm, and link enhancement muscle is spaced apart 10cm.
Described link enhancement muscle and EPS warming plate die body inwall connecting portion are step structure 3, and ladder height is 3cm；Strengthening upper and lower two end faces of muscle and be respectively provided with fluted 4, groove height is 10cm.
Described EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove 5, and dovetail groove width is 2cm, and the degree of depth is 0.4cm, adjacent dovetail groove interval 3cm.
Two ends, described EPS warming plate die body left and right outer surface is provided with groove 6 chimeric mutually and protruding band 7, and the position of groove and protruding band is in correspondence with each other, it is possible to realizing chimeric coupling, depth of groove and protruding band height is 1cm, and width is 10cm；In order to reserve bonding agent, mortar or mortar gap, the die body of same specification building block, the left and right both ends of the surface projection band little 0.3cm of aspect ratio depth of groove, protruding bandwidth 0.5cm less of recess width.
Described EPS warming plate die body inner surface is provided with raised strip 8, and protruding bandwidth is 3cm, is highly 0.6cm, the spaced 6cm of adjacent protrusion.
2), prepared by foam cement slurry:
Weigh 42.5 Portland cement 48kg, S95 level slag micropowder 22kg, second class powered coal ash 23kg, Calx 4kg respectively, put in blender, and add water 20kg, stir three minutes, obtain cement oleo stock；
0.5kg plant proteins foaming agent and 10kg water being mixed simultaneously, utilize foaming machine to manufacture foam, the foam that will produce introduces blender, and foam and cement raw volume of slurry ratio is for 1:2.5；It is stirred for 30 seconds, mix homogeneously, obtains foam cement slurry；
3) (bottom surface is closed, foam cement slurry to be poured into above-mentioned EPS warming plate die body, horizontal positioned) in, end face strikes off, humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, becomes the composite thermal self-insulation building block of the EPS-foam cement integration that overall dimensions is length × height × thickness=60cm × 36cm × 24cm.As shown in Figure 2.
The present invention is with EPS warming plate die body for mould, without particular manufacturing craft.
4), the performance indications of composite thermal self-insulation building block:
Comprcssive strength: 7.6MPa；
Water absorption rate: 8%；
Mean coefficient of heat conductivity: 0.06w/(m.k)；
Apparent density: 680kg/m3。
The contrast test of comparative example 1 polystyrene foam outer wall self heat-preserving system and embodiment 1
Polystyrene foam outer wall self heat-preserving system selects both sides to be foam cement, and centre is the composite block of EPS warming plate (different from the EPS in embodiment 1, to be the EPS warming plate with cylinder groove on plate face), does contrast test with the building block in embodiment 1.The enforcement of contrast building block:
1), the preparation of EPS warming plate:
EPS warming plate both sides are with the cylinder groove of concavo-convex symmetry, it is possible to combine closely with foam cement.
The thickness of described warming plate is 5cm, and cylinder groove diameter is 2cm, is spaced apart 10cm；The hardening foam cement thickness of described warming plate both sides is 12cm.
2), prepared by foam cement slurry:
Weigh 42.5 Portland cement 48kg, S95 level slag micropowder 22kg respectively, second class powered coal ash 23kg, Calx 4kg, additive (early strength agent 1.0kg, waterproofing agent 1.0kg, water reducer 0.46kg, thickening agent 0.04kg) 3kg, put in blender, and add water 20kg, stir three minutes, obtain cement slurry；0.5kg foaming agent and 10kg water are mixed in 1:20 ratio simultaneously, utilize foaming machine to manufacture foam, the foam produced is introduced blender, is stirred for 30 seconds, mix homogeneously, obtains foam cement slurry；
Foam cement slurry is poured in the particular manufacturing craft being previously inserted EPS warming plate, end face strikes off, humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, after sawing, become the composite thermal self-insulation building block of the EPS-foam cement integration that overall dimensions is length × height × thickness=60cm × 36cm × 24cm.This building block preparation needs to be equipped with particular manufacturing craft.
3), the performance indications of composite thermal self-insulation building block: comprcssive strength: 7.8MPa；
Water absorption rate: 10%；
Mean coefficient of heat conductivity: 0.12w/(m.k)
Apparent density: 700kg/m3。
The contrast test of the simple foam cement building block of comparative example 2 and embodiment 1.
Prepare simple foam cement building block by the proportion of raw material of foam cement in embodiment 1 and building block dimensions, carry out contrast test.The enforcement of contrast building block:
1), the preparation of foam cement building block:
Weigh 42.5 Portland cement 48kg, S95 level slag micropowder 22kg respectively, second class powered coal ash 23kg, Calx 4kg, additive (early strength agent 1.0kg, waterproofing agent 1.0kg, water reducer 0.46kg, thickening agent 0.04kg) 3kg, put in blender, and add water 20kg, stir three minutes, obtain cement slurry；0.5kg foaming agent and 10kg water are mixed in 1:20 ratio simultaneously, utilize foaming machine to manufacture foam, the foam produced is introduced blender, is stirred for 30 seconds, mix homogeneously, obtains foam cement slurry；
Being poured in particular manufacturing craft by foam cement slurry, end face strikes off, and humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, and sawing becomes the overall dimensions foam cement building block for length × height × thickness=60cm × 36cm × 24cm.This building block preparation needs to be equipped with particular manufacturing craft.
2), the performance indications of foam cement building block:
Comprcssive strength: 8.5MPa；
Water absorption rate: 11%；
Mean coefficient of heat conductivity: 0.30w/(m.k)
Apparent density: 750kg/m3。
The contrast test of comparative example 3 other materials composite block and embodiment 1.
What select is the insulation blocks of foam cement Prefabricated porous building block and EPS compound, the building block that namely background section is mentioned.Utilize Making mold to become the middle foam cement building block having various hole, then EPS sheet is cut into the shape that the hole with foam cement building block matches, insert in the hole, form composite heat insulation block, do contrast test with embodiment 1.
The enforcement of contrast building block:
The preparation of the insulation blocks of foam cement Prefabricated porous building block and EPS compound:
Weigh 42.5 Portland cement 60kg, S95 level slag micropowder 15kg respectively, second class powered coal ash 15kg, Calx 5kg, additive (early strength agent 1.0kg, waterproofing agent 1.0kg, water reducer 0.46kg, thickening agent 0.04kg) 3kg, put in blender, and add water 25kg, stir three minutes, obtain cement slurry；0.5kg foaming agent and 10kg water are mixed in 1:20 ratio simultaneously, utilize foaming machine to manufacture foam, the foam produced is introduced blender, is stirred for 2 minutes, mix homogeneously, obtains foam cement slurry；
The foam cement slurry that stirring mixes is cast in the particular manufacturing craft of porous building-brick, end face strikes off, humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, and preparation becomes the overall dimensions foam cement porous building-brick for length × height × thickness=60cm × 36cm × 24cm.EPS sheet is cut into the shape that the hole with foam cement porous building-brick matches again, inserts in the hole, form composite heat insulation block.This building block preparation needs to be equipped with particular manufacturing craft.
2) performance indications of composite self-insulation sand aerated concrete block:
Comprcssive strength: 5.8MPa；
Water absorption rate: 17%；
Mean coefficient of heat conductivity: 0.18w/(m.k)
Apparent density: 750kg/m3。
Embodiment 2
1), the preparation of EPS warming plate die body:
Stalk building-brick type EPS warming plate die body is prepared with EPS material；The structure of EPS warming plate die body is as it is shown in figure 1, described EPS warming plate die body is the middle rectangular structure 1 for cavity, and length × height × thickness=60cm × 36cm × 24cm, described EPS warming plate die body wall thickness is 3cm, is provided with link enhancement muscle 2 in cavity；Link enhancement muscle thickness is 1cm, and link enhancement muscle is spaced apart 5cm.
Described link enhancement muscle and EPS warming plate die body inwall connecting portion are step structure 3, and ladder height is 4cm；Strengthening upper and lower two end faces of muscle and be respectively provided with fluted 4, groove height is 4cm.
Described EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove 5, and dovetail groove width is 0.5cm, and the degree of depth is 0.2cm, adjacent dovetail groove interval 1cm.
Two ends, described EPS warming plate die body left and right outer surface is provided with groove 6 chimeric mutually and protruding band 7, and the position of groove and protruding band is in correspondence with each other, it is possible to realizing chimeric coupling, depth of groove and protruding band height is 0.2cm, and width is 1cm；In order to reserve bonding agent, mortar or mortar gap, the die body of same specification building block, the left and right both ends of the surface projection band little 0.1cm of aspect ratio depth of groove, protruding bandwidth 0.1cm less of recess width.
Described EPS warming plate die body inner surface is provided with raised strip 8, and protruding bandwidth is 1cm, is highly 0.2cm, the spaced 1cm of adjacent protrusion.
2), prepared by foam cement slurry:
Weigh 42.5 Portland cement 30kg, put in blender, and add water 15kg, stir three minutes, obtain cement oleo stock；
0.2kg rosin based foaming agent and 2kg water being mixed simultaneously, utilize foaming machine to manufacture foam, the foam that will produce introduces blender, and foam and cement raw volume of slurry ratio is for 1:3；It is stirred for 20 seconds, mix homogeneously, obtains foam cement slurry；
3) (bottom surface is closed, foam cement slurry to be poured into above-mentioned EPS warming plate die body, horizontal positioned) in, end face strikes off, humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, becomes the composite thermal self-insulation building block of the EPS-foam cement integration that overall dimensions is length × height × thickness=60cm × 36cm × 24cm.As shown in Figure 2.
Embodiment 3
1), the preparation of EPS warming plate die body:
Stalk building-brick type EPS warming plate die body is prepared with EPS material；The structure of EPS warming plate die body is as it is shown in figure 1, described EPS warming plate die body is the middle rectangular structure 1 for cavity, and length × height × thickness=60cm × 36cm × 24cm, described EPS warming plate die body wall thickness is 8cm, is provided with link enhancement muscle 2 in cavity；Link enhancement muscle thickness is 5cm, and link enhancement muscle is spaced apart 40cm.
Described link enhancement muscle and EPS warming plate die body inwall connecting portion are step structure 3, and ladder height is 4cm；Strengthening upper and lower two end faces of muscle and be respectively provided with fluted 4, groove height is 25cm.
Described EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove 5, and dovetail groove width is 5cm, and the degree of depth is 0.9cm, adjacent dovetail groove interval 5cm.
Two ends, described EPS warming plate die body left and right outer surface is provided with groove 6 chimeric mutually and protruding band 7, and the position of groove and protruding band is in correspondence with each other, it is possible to realizing chimeric coupling, depth of groove and protruding band height is 2cm, and width is 20cm；In order to reserve bonding agent, mortar or mortar gap, the die body of same specification building block, the left and right both ends of the surface projection band little 0.5cm of aspect ratio depth of groove, protruding bandwidth 0.9cm less of recess width.
Described EPS warming plate die body inner surface is provided with raised strip 8, and protruding bandwidth is 5cm, is highly 0.9cm, the spaced 10cm of adjacent protrusion.
2), prepared by foam cement slurry:
Weigh 42.5 Portland cement 45kg, S95 level slag micropowder 15kg, second class powered coal ash 15kg, Calx 5kg respectively, put in blender, and add water 30kg, stir 10 minutes, obtain cement oleo stock；
0.8kg plant proteins foaming agent and 16kg water being mixed simultaneously, utilize foaming machine to manufacture foam, the foam that will produce introduces blender, and foam and cement raw volume of slurry ratio is for 1:5；It is stirred for 2 minutes, mix homogeneously, obtains foam cement slurry；
3) (bottom surface is closed, foam cement slurry to be poured into above-mentioned EPS warming plate die body, horizontal positioned) in, end face strikes off, humidity more than 95%, temperature more than 65 DEG C stand more than maintenance 6.5h, foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, becomes the composite thermal self-insulation building block of the EPS-foam cement integration that overall dimensions is length × height × thickness=60cm × 36cm × 24cm.As shown in Figure 2.
Last it is noted that obvious, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus amplified out or variation are still among protection scope of the present invention.
Claims (8)
1. the preparation method of an EPS-foam cement composite self-insulation stalk building block, it is characterised in that described preparation method comprises the following steps:
1), the preparation of EPS warming plate die body: prepare stalk building-brick type EPS warming plate die body with EPS material；Described EPS warming plate die body is the middle rectangular structure for cavity, is provided with link enhancement muscle in cavity；
2), the preparation of foam cement slurry；
3), integrated molding: the foam cement slurry that stirring mixes is cast in EPS warming plate die body；Foam cement after hydration and hardening is bonded together with the solidification of EPS warming plate die body, becomes the composite thermal self-insulation building block of EPS-foam cement integration through maintenance；
Described EPS former and later two outer surfaces of warming plate die body are provided with dovetail groove, and dovetail groove width is 0.5-5cm, and the degree of depth is 0.2-0.9cm, adjacent dovetail groove interval 1-5cm；
Two ends, described EPS warming plate die body left and right outer surface is provided with groove chimeric mutually and protruding band, and the position of groove and protruding band is in correspondence with each other, it is possible to realizing chimeric coupling, depth of groove and protruding band height is 0.2-2cm, and width is 1-20cm；In order to reserve bonding agent, mortar or mortar gap, the die body of same specification building block, the left and right both ends of the surface projection band little 0.1-0.5cm of aspect ratio depth of groove, protruding bandwidth 0.1-1cm less of recess width.
2. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 1, it is characterized in that: described EPS warming plate die body inner surface is provided with raised strip, protruding bandwidth is 1-5cm, is highly 0.2-0.9cm, the spaced 1-10cm of adjacent protrusion.
3. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 2, it is characterized in that: described EPS warming plate die body wall thickness is 2-8cm, link enhancement muscle thickness is 1-5cm, link enhancement muscle is spaced apart in 5-50cm, EPS warming plate die body remaining space and is filled by the foam cement after hydration and hardening.
4. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 3, it is characterised in that: described link enhancement muscle and EPS warming plate die body inwall connecting portion are step structure, and ladder height is 3-4cm；Strengthening upper and lower two end faces of muscle and be respectively provided with fluted, groove height is 4-30cm.
5. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 4, it is characterised in that: the dry volume density of described foam cement is 150-1600kg/m3；The weight of foam cement raw material is: cement 30-90 part, slag micropowder 0-30 part, flyash 0-30 part, Calx 0-10 part, water 25-35 part.
6. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 5, it is characterised in that described foam cement slurry preparation process is:
1), raw material mixing: by weight cement 30-90 part of foam cement raw material, slag micropowder 0-30 part, flyash 0-30 part, Calx 0-10 part, raw material is put in blender, add 25-35 part water, stir 2-10 minute, obtain cement oleo stock；
2), foaming: 0.2-0.8 part foaming agent and 2-16 part water being mixed, utilize foaming machine to manufacture foam, the foam that will produce introduces blender, and foam and cement raw volume of slurry ratio is for 1:2-5；
3) it is stirred for: be stirred for 20 seconds-2 minutes, the foam cement slurry being uniformly mixed.
7. the preparation method of EPS-foam cement composite self-insulation stalk building block as claimed in claim 6, it is characterised in that described foaming agent is plant proteins foaming agent or rosin based foaming agent.
8. claim 1-7 arbitrary as described in the preparation method of EPS-foam cement composite self-insulation stalk building block, it is characterized in that, concretely comprising the following steps of pouring foaming cement slurry: the foam cement slurry that stirring mixes is cast in EPS warming plate die body, described EPS warming plate die body bottom surface is closed, horizontal positioned, end face strikes off, and stands maintenance, after hydrated cementitious to be foamed hardening, obtain EPS-foam cement composite self-insulation stalk building block.
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| CN101138897B (en) * | 2006-09-08 | 2012-05-02 | 吕吉海 | Light composite heat-preserving building blocks |
| CN101338586A (en) * | 2008-08-25 | 2009-01-07 | 卢文成 | Plastic-based hollow section bar and inorganic foamed cement composite body and producing method thereof |
| CN201428199Y (en) * | 2009-03-31 | 2010-03-24 | 高忠义 | Composite insulation block |
| WO2012093981A1 (en) * | 2011-01-04 | 2012-07-12 | Hazar Engin | Thermal and sound insulated structural member |
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