CN102162282B - Automatic heat preservation, energy saving and air-entrapping concrete brick wall and manufacturing method thereof - Google Patents
Automatic heat preservation, energy saving and air-entrapping concrete brick wall and manufacturing method thereof Download PDFInfo
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- CN102162282B CN102162282B CN2011100638095A CN201110063809A CN102162282B CN 102162282 B CN102162282 B CN 102162282B CN 2011100638095 A CN2011100638095 A CN 2011100638095A CN 201110063809 A CN201110063809 A CN 201110063809A CN 102162282 B CN102162282 B CN 102162282B
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- 238000004321 preservation Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000011456 concrete brick Substances 0.000 title abstract 3
- 239000004567 concrete Substances 0.000 claims abstract description 63
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 53
- 239000004576 sand Substances 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 27
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 26
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 26
- 239000004571 lime Substances 0.000 claims description 26
- 239000012774 insulation material Substances 0.000 claims description 25
- 239000011324 bead Substances 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 20
- 239000010881 fly ash Substances 0.000 claims description 19
- 239000004568 cement Substances 0.000 claims description 17
- 239000011490 mineral wool Substances 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 15
- 239000010451 perlite Substances 0.000 claims description 13
- 235000019362 perlite Nutrition 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 12
- 235000019355 sepiolite Nutrition 0.000 claims description 12
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 10
- 239000006071 cream Substances 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000010440 gypsum Substances 0.000 claims description 8
- 229910052602 gypsum Inorganic materials 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 239000004113 Sepiolite Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- 229910052624 sepiolite Inorganic materials 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 4
- 229910052902 vermiculite Inorganic materials 0.000 claims description 4
- 235000019354 vermiculite Nutrition 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 238000009940 knitting Methods 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 14
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- 238000003756 stirring Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 230000029087 digestion Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 5
- 238000001354 calcination Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000007812 deficiency Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/63—Flame-proofing agents
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The invention relates to an automatic heat preservation, energy saving and air-entrapping concrete brick wall and a manufacturing method thereof. The invention is characterized that: a heat preservation wall plate is protruded, relative to the outer surfaces of a beam and a stand column or a concrete plate, 20 to 50 millimeters or flatly bricked; beam and column part heat preservation layers are bonded on the outer surfaces of the beam and the stand column or the concrete plate; and alkali-proof grids or steel mesh sheets are paved on the surfaces of the heat preservation layers. During bricking of the wall, the comprehensive performance of the heat preservation wall can be enhanced under the condition of no addition of the heat preservation layers on the whole wall by using energy saving and air-entrapping concrete bricks and heat preservation bricking mortar as well as heat preservation processing measures taken on hot bridge parts such as the beam, the column and the like, so the requirement of a periphery protective structure of a building wall can be met, and heat energy loss due to the hot bridges formed in mortar joints of the wall can be avoided effectively; therefore, the design standard requirement of China on heat preservation and energy saving of a building is met, and the manufacturing cost of the wall and the comprehensive cost of the building are reduced greatly.
Description
Technical field
The invention belongs to building masonry wall heat preservation technology field, is a kind of self-heat-preservation energy-saving air-entrained concrete building block body of wall and preparation method thereof.
Background technology
In technique known, highrise building is divided into framework or frame structure, and body of wall generally is made up of concrete beam, concrete column or concrete slab and the brick wallboard of building.Domestic construction external wall body thermal insulation energy-saving material mainly contains two types at present: one type belongs to organic goods, like cystosepiment, polyphenyl extruded sheet, adhesive powder-polystyrene granule thermal insulation mortar.Though these organic material heat-insulating properties are better; But ubiquity easy aging cracked, inflammable, not meet fire-fighting requirement, application life short; Can give out toxic and harmful when particularly environment temperature is higher than 50 ℃; Particularly large-area this type of use material on whole building outer wall is healthy totally unfavorable to dwelling environment safety and resident.Another kind of expansion or the closed perlite heat preservation slurry that belongs to inorganic matter, though this material can not discharge pernicious gas, water imbibition is strong, is prone to the efflorescence cracking, secondary maintenance and repair expense is big.Though the air-entrained concrete building block of China has the insulating power that is superior to common brick, but still do not reach the energy-saving design standard-required of country 65%.Present commercially available air-entrained concrete building block is difficult to reach national common body of wall required standard, the B06 level-B07 level goods that promptly are up to state standards and require, and its coefficient of thermal conductivity is more than 0.16-0.18w/ (mk); Can not satisfy energy-conservation requirement; If B04 level-B05 level gas product is produced in research and development, coefficient of thermal conductivity is 0.12-0.14 w/ (mk), though energy-conservationly can reach requirement; But, can not use as the body of wall peripheral structure because of its compressive strength is low.Can only use as heat insulating material according to standard-required.In disclosed CN200910015031.4 self heat insulation wall and preparation method thereof, though the insulation blocks inner core adopts thermal insulation material to fill, the position can't fundamentally solve " heat bridge " problem around the building block self.And if apply it to " heat bridge " position of framework or frame structure filled wall central sill, post or concrete slab, lack the insulation treatment measures at beam column position again.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide that a kind of coefficient of thermal conductivity is little, good heat insulating, high-strength light, and can eliminate self-heat-preservation energy-saving air-entrained concrete building block body of wall of body of wall beam, plate, post heat bridge phenomenon and preparation method thereof.
Realize that the technical scheme that the object of the invention is taked is: this body of wall is to reach the heat-insulation wall plate of between crossbeam and column or concrete slab, building by laying bricks or stones by crossbeam, column or concrete slab to constitute; The external surface of body of wall has been done finish coat; Heat-insulation wall plate is to be built by laying bricks or stones by self-heat-preservation energy-saving air-entrained concrete building block and building heat insulation mortar to form; Wherein, Heat-insulation wall plate is with respect to the external surface protrusion 20～50mm or flat block of crossbeam and column or concrete slab, and the external surface of crossbeam and column or concrete slab is deposited with beam column position insulation layer, and the surface of beam column position insulation layer is equipped with alkaline-resisting grid cloth or steel mesh sheet;
Said energy-saving aerated concrete building block is formulated by following raw materials in weight portion:
Contain SiO by mass percentage
2＞40% flyash or contain SiO by mass percentage
225～70 parts of>=70% river sand or CHARACTERISTICS OF TAILINGS SAND, contain 15～35 parts in lime and 5～25 parts of cement, 5～50 parts of wollastonites in powder, 1～5 part in gypsum, 0～20 part of thermal insulation material, 0.3～0.6 part of aluminium powder cream, 0.05～0.6 part of the foam stabilizer of A (CaO+mgO)>=65% by mass percentage; Said thermal insulation material adopts is in glass bead, expanded perlite, closed perlite, mineral wool, pottery fibre, glass fiber, rock wool, sepiolite, expanded vermiculite, kieselguhr and the pottery sand any one; Wherein, The perlite particle diameter is not more than 2.0mm; Pottery sand particle diameter is not more than 2.5mm, and the glass bead particle diameter is not more than 2mm;
Said building heat insulation mortar is formulated by following raw materials in weight portion: 200～500 parts of cement, 50～200 parts in flyash, 10～100 parts in lime, pottery sand or 50～300 parts on shale pottery, 50～100 parts of glass beads, 10～100 parts in fiber thermal insulation material, 50～100 parts of sepiolites, 5～50 parts of water-loss reducers, 100～300 parts of quartz sands; Wherein, pottery sand or haydites of book structure particle diameter are not more than 3mm, and the glass bead particle diameter is not more than 2mm, and quartz sand particle size is not more than 3mm, and what the fiber thermal insulation material adopted is glass fiber or mineral wool or rock wool or the fibre of making pottery.
Said beam column position insulation layer adopts polyphenyl foam plate or polyurethane foam board or extruded sheet or pearlite slab or glue powder polyphenyl particle or thermal insulation mortar.
Said steel mesh sheet adopts diameter to be not less than the knitting of 2mm steel wire.
Self-heat-preservation energy-saving air-entrained concrete building block body of wall of the present invention is made as follows:
A prepares the energy-saving aerated concrete building block:
(1) with flyash, river sand or CHARACTERISTICS OF TAILINGS SAND and lime and levigate to 50 orders with carefully, it is subsequent use to process powder;
(2) with the powder of preparation by said proportioning and gypsum and the stirring of thermal insulation material mixing and water adding, it is subsequent use to process slurry, wherein amount of water is 1.2～1.5 times of compound gross weight;
(3) slurry processed is injected material-compound tank, be heated to 30～40 ℃, add cement, lime by said proportioning, and when being heated to 40～50 ℃; Add aluminium powder cream by said proportioning again, foam stabilizer is poured into building block mould after stirring 20～50s, leaves standstill after the cast to carry out lime and clear up; 70～100 ℃ of digestion conditions, digestion time are 8～20min, carry out exhaust then; 70～80 ℃ of delivery temperatures, evacuation time is 10～20min, processes the initial set base substrate;
(4) with pressing the size excision forming of setting, wherein calcining temperature 90-95 ℃ after the demoulding of initial set idiosome;
(5) idiosome of excision forming is inserted agitated reactor and carry out steam-curedly, steam-cured temperature is 150
～250 ℃, the steam-cured time is 3～8h, cooling naturally then, and temperature fall time is 0.5～2h, is energy-saving aerated concrete building block finished product after going out still;
B prepares building heat insulation mortar:
(1) get flyash, that lime is levigate is subsequent use to 100～300 orders;
(2) get cement, pottery sand or haydites of book structure by said proportioning, glass bead, the fiber thermal insulation material, sepiolite, water-loss reducer, quartz sand and levigate flyash, lime mixing and stirring are placing heat-insulating mortar dry material;
C makes the self-heat-preservation energy-saving body of wall:
(1) get energy-saving aerated concrete building block and the water of mortar drier and preparation, by conventional method building heat insulation wallboard; And make heat-insulation wall plate with respect to column or concrete slab and crossbeam external surface protrusion 20～50mm or flat the block; Wherein, when heat-insulation wall plate thickness≤200mm, adopt the placing heat-insulating mortar dry material of step B preparation; When heat-insulation wall plate thickness＞200mm, adopt the ordinary mortar siccative;
(2) get polyphenyl foam plate or extruded sheet or polyurathamc plate or pearlite slab and tailor moulding; External surface with conventional adhesive mortar bonding vertical columns or concrete slab and crossbeam; Or be coated with glue powder polyphenyl particle or thermal insulation mortar and hang over beam, post or concrete slab surface; Constitute beam column position insulation layer; Insulation layer surface is laid alkaline-resisting lattice cloth or steel fabric sheet at the beam column position then, and makes its both sides with respect to column or concrete slab and crossbeam width extension 200～500mm, does finish coat by the conventional method plastering wall at last and promptly processes self-heat-preservation energy-saving air-entrained concrete building block body of wall.
According to the self-heat-preservation energy-saving air-entrained concrete building block body of wall that such scheme is processed, its beneficial effect:
1) mainly have drawn from flyash or river sand of energy-saving aerated concrete building block of the present invention, and the best of breed of some industrial wastes and thermal insulation material has been realized the raising of comprehensive utilization of resources and properties of product.Body of wall with this concrete block masonry; Can improve the combination property of heat-preserving wall, can make the coefficient of thermal conductivity of body of wall be controlled at 0.10～0.13 w/ (mk), satisfy energy-conservation 65% design standard even higher; Compressive strength can reach 3.5～5.0Mpa, satisfies the requirement of construction wall peripheral structure.
2) of the present invention building by laying bricks or stones with thermal insulation mortar has workability, water retention and the good characteristics of powder knot property; Can reduce heat-preserving wall significantly influences the loss of thermal energy because of mortar joint; This mortar is an important step in the wall self-insulation system, and its mortar drier density is 730～900kg/m
3, coefficient of thermal conductivity is 0.13～0.16 w/ (mk), compressive strength is 4.0～5.3Mpa, uses this to build by laying bricks or stones and uses thermal insulation mortar, can reduce effectively because the thermal energy loss that " heat bridge " that the body of wall mortar joint forms caused.
3) because the insulation treatment measures have been taked at " heat bridge " positions such as column or the concrete slab of the present invention in framework, frame structure building, crossbeam, wallboard; Make whole body of wall under the situation of additional thermal insulation not; Can reach country about the energy-conservation design standard demand of building heat preserving; Thereby guarantee that effectively heat insulating coefficient life-span and building are synchronous, can reduce the integrated cost of body of wall manufacturing cost and building greatly.
Description of drawings
Fig. 1 is the masonry construction sketch map of heat-insulation wall plate of the present invention and beam or post;
Fig. 2 is the masonry construction sketch map of heat-insulation wall plate of the present invention and corner post;
Fig. 3 is the masonry construction sketch map of heat-insulation wall plate of the present invention and window lintel and window sill.
The specific embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3; This body of wall is to reach the heat-insulation wall plate 1 of between crossbeam and column or concrete slab 2, building by laying bricks or stones by crossbeam, column or concrete slab 2 to constitute; The external surface of body of wall has been done finish coat 5, and heat-insulation wall plate 1 is to adopt energy-saving aerated concrete building block and building heat insulation mortar to build by laying bricks or stones to form.Wherein, Heat-insulation wall plate 1 is with respect to the external surface protrusion 20～50mm or flat block of crossbeam and column or concrete slab 2 (comprising window crossbeam and column all around); The external surface of crossbeam and column or concrete slab 2 (comprise window around crossbeam and column) is deposited with the beam column position insulation layer 3 that adopts polyphenyl foam plate or polyurethane foam board or extruded sheet or pearlite slab or glue powder polyphenyl particle or thermal insulation mortar to form, and is used to eliminate " heat bridge " that crossbeam, column or concrete slab 2 and seam crossing form.Alkaline-resisting grid cloth or steel mesh sheet 4 are laid in the surface of beam column position insulation layer, and this steel fabric sheet adopts diameter to be not less than the knitting of 2mm steel wire.Label 2b is a corner post among the figure, and 2c is that window lintel, 2d are window sill, and label 6 is interior rendering layer.
Said energy-saving aerated concrete building block is formulated by following raw materials in weight portion: contain SiO by mass percentage
2＞40% flyash or contain SiO by mass percentage
225～70 parts of>=70% river sand or CHARACTERISTICS OF TAILINGS SAND, contain 15～35 parts in lime and 5～25 parts of cement, 5～50 parts of wollastonites in powder, 1～5 part in gypsum, 0～20 part of thermal insulation material, 0.3～0.6 part of aluminium powder cream, 0.05～0.6 part of the foam stabilizer of A (CaO+mgO)>=65% by mass percentage; Said thermal insulation material adopts is in glass bead, expanded perlite, closed perlite, mineral wool, pottery fibre, glass fiber, rock wool, sepiolite, expanded vermiculite, kieselguhr and the pottery sand any one; Wherein, The perlite particle diameter is not more than 2.0mm; Pottery sand particle diameter is not more than 2.5mm, and the glass bead particle diameter is not more than 2mm;
Said building heat insulation mortar is formulated by following raw materials in weight portion: 200～500 parts of cement, 50～200 parts in flyash, 10～100 parts in lime, pottery sand or 50～300 parts on shale pottery, 50～100 parts of glass beads, 10～100 parts in fiber thermal insulation material, 50～100 parts of sepiolites, 5～50 parts of water-loss reducers, 100～300 parts of quartz sands; Wherein, pottery sand or haydites of book structure particle diameter are not more than 3mm, and the glass bead particle diameter is not more than 2mm, and quartz sand particle size is not more than 3mm, and what the fiber thermal insulation material adopted is glass fiber or mineral wool or rock wool or the fibre of making pottery.Joint embodiment is described further the preparation method of this body of wall below.
Embodiment one
Self-heat-preservation energy-saving air-entrained concrete building block body of wall of the present invention prepares by following step:
At first prepare the energy-saving aerated concrete building block, its method is:
Get flyash, river sand or CHARACTERISTICS OF TAILINGS SAND and lime and levigate to 50 orders with carefully, it is subsequent use to process powder; The powder of preparation is mixed with gypsum and thermal insulation material by said proportioning, and by mixed material weight 1.2 extraordinarily water stir, process slurry; The slurry processed is injected material-compound tank, be heated to 30 ℃, add cement, lime by said proportioning, and when being heated to 40 ℃; Add aluminium powder cream by said proportioning again, foam stabilizer stirs 20s and is poured into building block mould; Cast back lime digestion time 8min clears up 70 ℃ of reaction temperatures, carries out exhaust then; 70 ℃ of delivery temperatures, evacuation time is 10min, processes the initial set base substrate; With pressing the size excision forming of setting after the demoulding of initial set idiosome, wherein calcining temperature is 90 ℃; The idiosome of excision forming is inserted still carry out steam-curedly, steam-cured temperature is 150 ℃, and the steam-cured time is 3h, cooling then, and temperature fall time is 0.5h, is energy-saving aerated concrete building block finished product after going out still;
Wherein the energy-saving aerated concrete building block is formulated by following raw materials in weight portion: contain SiO
2The flyash of＞40% (by mass percentage) or contain SiO
270 parts of the river sand of>=70% (by mass percentage) or CHARACTERISTICS OF TAILINGS SAND, 35 parts in the lime that contains A (CaO+mgO)>=65% (by mass percentage) and 25 parts of cement, 50 parts of wollastonites in powder, 5 parts in gypsum, 20 parts of thermal insulation materials, 0.6 part of aluminium powder cream, 0.6 part of foam stabilizer.Wherein, Thermal insulation material adopts is in glass bead, expanded perlite, closed perlite, mineral wool, pottery fibre, glass fiber, rock wool, sepiolite, expanded vermiculite, kieselguhr and the pottery sand any one; Wherein, The perlite particle diameter is not more than 2.0mm, and pottery sand particle diameter is not more than 2.5mm, and the glass bead particle diameter is not more than 2mm.Use the body of wall of this concrete block masonry; Can improve the combination property of heat-preserving wall, make the coefficient of thermal conductivity of body of wall be controlled at 0.10～0.13 w/ (mk), satisfy energy-conservation 65% design standard even higher; Compressive strength is 3.5～5.0Mpa, can satisfy the requirement of construction wall peripheral structure simultaneously.
Prepare building heat insulation mortar then, its method is:
Get flyash, lime is levigate gets pottery sand by said proportioning to 100～300 orders, glass bead, the fiber thermal insulation material, sepiolite, water-loss reducer, quartz sand and levigate flyash, lime mixing and stirring are placing heat-insulating mortar dry material; Wherein building heat insulation mortar is formulated by following raw materials in weight portion: 200 parts of cement, 50 parts in flyash, 10 parts in lime, pottery sand or 50 parts of haydites of book structure, 50 parts of glass beads, 10 parts in fiber thermal insulation material, 50 parts of sepiolites, 5 parts of water-loss reducers, 100 parts of quartz sands; Wherein, pottery sand or haydites of book structure particle diameter are not more than 3mm, and the glass bead particle diameter is not more than 2mm, and quartz sand particle size is not more than 3mm, and what the fiber thermal insulation material adopted is glass fiber or mineral wool or rock wool or the fibre of making pottery.This thermal insulation mortar has workability, water retention and the good characteristics of powder knot property, and can reduce heat-preserving wall significantly influences the loss of thermal energy, its mortar drier density 730～900kg/m because of mortar joint
3, coefficient of thermal conductivity is 0.13～0.16 w/ (mk), compressive strength 4.0～5.3Mpa.
Make the self-heat-preservation energy-saving body of wall at last, its method is:
Get energy-saving aerated concrete building block and the water of mortar drier and preparation, by conventional method building heat insulation wallboard 1; And make heat-insulation wall plate with respect to column or concrete slab and crossbeam 2 external surfaces protrusion 20～50mm or flat the block; Wherein, when heat-insulation wall plate 1 thickness≤200mm, adopt the placing heat-insulating mortar dry material of step B preparation; When heat-insulation wall plate 1 thickness＞200mm, can adopt the ordinary mortar siccative.And then get polyphenyl foam plate or extruded sheet or polyurathamc plate or pearlite slab and tailor moulding; Be coated with the formation beam column position insulation layer 3 that extension forms with the external surface of conventional adhesive mortar bonding vertical columns or concrete slab and crossbeam 2 or with glue powder polyphenyl particle or thermal insulation mortar, be used to eliminate " heat bridge " of column or concrete slab, crossbeam and seam crossing formation.Alkaline-resisting grid cloth or steel mesh sheet are laid in the crossbeam on the surface of beam column position insulation layer and column position; And make its both sides with respect to column or concrete slab and crossbeam 2 width extension 200～500mm, be coated with ornament surface layer 5 by conventional method at last and promptly process self-heat-preservation energy-saving air-entrained concrete building block body of wall.This body of wall can reach country about the energy-conservation design standard demand of building heat preserving under the situation of additional thermal insulation not, thereby guarantees that effectively its heat insulating coefficient life-span and building are synchronous, can reduce the integrated cost of body of wall manufacturing cost and building greatly.
Embodiment two
The preparation method and the embodiment one of this self-heat-preservation energy-saving air-entrained concrete building block body of wall are basic identical, and its difference is: in the process of making the energy-saving aerated concrete building block, the amount of water during the preparation slurry is 1.4 times of compound weight; The heating-up temperature of slurry in material-compound tank is 35 ℃, and the heating-up temperature behind adding cement, the lime is 45 ℃, and adding aluminium powder cream, foam stabilizer are poured into building block mould after stirring 35s; Carrying out the lime digestion time after the cast is 14min, clears up 85 ℃ of reaction temperatures, and delivery temperature is 75 ℃; Evacuation time is 15min, 93 ℃ of initial set base substrate calcining temperatures, and steam-cured temperature is 200 ℃; The steam-cured time is 5h, and temperature fall time is 1.2h; The weight portion proportioning of various raw materials is during the building block of preparation energy-saving aerated concrete: contain SiO
2The flyash of＞40% (by mass percentage) or contain SiO
250 parts of the river sand of>=70% (by mass percentage) or CHARACTERISTICS OF TAILINGS SAND, contain A (25 parts in the lime of CaO+mgO)>=65% (by mass percentage) and 15 parts of cement, 30 parts of wollastonites in powder, 3 parts in gypsum, 10 parts of thermal insulation materials, 0.4 part of aluminium powder cream, 0.3 part of foam stabilizer.The weight portion proportioning of various raw materials is during the preparation building heat insulation mortar: 350 parts of cement, 225 parts in flyash, 55 parts in lime, pottery sand or 175 parts on shale pottery, 75 parts of glass beads, 55 parts in fiber thermal insulation material, 75 parts of sepiolites, 25 parts of water-loss reducers, 200 parts of quartz sands.
Embodiment three
The preparation method and the embodiment one of this self-heat-preservation energy-saving air-entrained concrete building block body of wall are basic identical, and its difference is: in the process of making the energy-saving aerated concrete building block, the amount of water during the preparation slurry is 1.5 times of compound weight; The heating-up temperature of slurry in material-compound tank is 40 ℃, and the heating-up temperature behind adding cement, the lime is 50 ℃, and adding aluminium powder cream, foam stabilizer are poured into building block mould after stirring 50s; Carrying out the lime digestion time after the cast is 20min, clears up 100 ℃ of reaction temperatures, and delivery temperature is 80 ℃; Evacuation time is 20min, 95 ℃ of initial set base substrate calcining temperatures, and steam-cured temperature is 250 ℃; The steam-cured time is 8h, and temperature fall time is 2h; The weight portion proportioning of various raw materials is during the building block of preparation energy-saving aerated concrete: contain SiO
2The flyash of＞40% (by mass percentage) or contain SiO
225 parts of the river sand of>=70% (by mass percentage) or CHARACTERISTICS OF TAILINGS SAND, contain A (15 parts in the lime of CaO+mgO)>=65% (by mass percentage) and 5 parts of cement, 5 parts of wollastonites in powder, 1 part in gypsum, 0.3 part of aluminium powder cream, 0.05 part of foam stabilizer.The weight portion proportioning of various raw materials is during the preparation thermal insulation mortar: 500 parts of cement, 200 parts in flyash, 100 parts in lime, pottery sand or 300 parts on shale pottery, 100 parts of glass beads, 100 parts in fiber thermal insulation material, 100 parts of sepiolites, 50 parts of water-loss reducers, 300 parts of quartz sands.
Claims (3)
1. self-heat-preservation energy-saving air-entrained concrete building block body of wall; Be to constitute by crossbeam and column and heat-insulation wall plate; Or constitute by crossbeam and concrete slab and heat-insulation wall plate; Said heat-insulation wall plate is built by laying bricks or stones between crossbeam and column or crossbeam and concrete slab; The external surface of body of wall has been done finish coat, and heat-insulation wall plate is to be built by laying bricks or stones by self-heat-preservation energy-saving air-entrained concrete building block and building heat insulation mortar to form, and the external surface of crossbeam and column or crossbeam and concrete slab is deposited with beam column position insulation layer; The surface of beam column position insulation layer is equipped with alkaline-resisting grid cloth or steel mesh sheet, it is characterized in that: heat-insulation wall plate is with respect to the external surface protrusion 20～50mm or flat block of crossbeam and column or crossbeam and concrete slab;
Said energy-saving aerated concrete building block is formulated by following raw materials in weight portion:
Contain SiO by mass percentage
2＞40% flyash or contain SiO by mass percentage
225～70 parts of>=70% river sand or CHARACTERISTICS OF TAILINGS SAND, contain 15～35 parts in lime and 5～25 parts of cement, 5～50 parts of wollastonites in powder, 1～5 part in gypsum, 0～20 part of thermal insulation material, 0.3～0.6 part of aluminium powder cream, 0.05～0.6 part of the foam stabilizer of CaO+mgO>=65% by mass percentage; Said thermal insulation material adopts is in glass bead, expanded perlite, closed perlite, mineral wool, pottery fibre, glass fiber, rock wool, sepiolite, expanded vermiculite, kieselguhr and the pottery sand any one; Wherein, The perlite particle diameter is not more than 2.0mm; Pottery sand particle diameter is not more than 2.5mm, and the glass bead particle diameter is not more than 2mm;
Said building heat insulation mortar is formulated by following raw materials in weight portion: 200～500 parts of cement, 50～200 parts in flyash, 10～100 parts in lime, pottery sand or 50～300 parts on shale pottery, 50～100 parts of glass beads, 10～100 parts in fiber thermal insulation material, 50～100 parts of sepiolites, 5～50 parts of water-loss reducers, 100～300 parts of quartz sands; Wherein, pottery sand or haydites of book structure particle diameter are not more than 3mm, and the glass bead particle diameter is not more than 2mm, and quartz sand particle size is not more than 3mm, and what the fiber thermal insulation material adopted is glass fiber or mineral wool or rock wool or the fibre of making pottery.
2. self-heat-preservation energy-saving air-entrained concrete building block body of wall according to claim 1 is characterized in that: said beam column position insulation layer adopts polyphenyl foam plate or polyurethane foam board or extruded sheet or pearlite slab or glue powder polyphenyl particle or thermal insulation mortar.
3. self-heat-preservation energy-saving air-entrained concrete building block body of wall according to claim 1 is characterized in that: said steel mesh sheet adopts diameter to be not less than the knitting of 2mm steel wire.
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