CN101177967A - Phase-change thermal energy storage three-in-one exterior wall outer insulation system and construction method thereof - Google Patents
Phase-change thermal energy storage three-in-one exterior wall outer insulation system and construction method thereof Download PDFInfo
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- CN101177967A CN101177967A CNA2007102026241A CN200710202624A CN101177967A CN 101177967 A CN101177967 A CN 101177967A CN A2007102026241 A CNA2007102026241 A CN A2007102026241A CN 200710202624 A CN200710202624 A CN 200710202624A CN 101177967 A CN101177967 A CN 101177967A
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Abstract
The invention relates to a triad phase change and energy storage external thermal insulating system of an external wall and the job practice of the system. A boundary layer, an insulation layer, a crack shielding layer and a finishing coat are arranged from a basal wall to outside in sequence. The insulation layer comprises three layers, including a bonding insulation layer which is an insulation mortar layer, a stable insulation layer which is an insulation board and an active insulation layer which is a phase change and energy storage insulation mortar layer, which are bonded with each other from interior to exterior; wherein, the fine aggregate in the phase change and energy storage insulation mortar layer uses inorganic porous particle as vector, organic phase changed material is adsorbed and stored in the pore space, and the outside surface comprises the phase change and energy storage porous medium of polymer-based composite material film. The crack shielding layer comprises a crack shielding mortar with strengthened mesh inside, meanwhile, a clip is vertically penetrated into the basal wall from the outside of the strengthened mesh. The invention adopts a triad insulation structure as the structure and phase changeable energy-storage material as fixing material, which significantly improves the insulation effect of wall and is favorable for keeping stable indoor temperature and substantially saving the energy consumption of indoor air conditioner.
Description
(1) technical field
The present invention relates to a kind of building heat insulation system and job practices, External Thermal Insulation System and job practices.
(2) background technology
Along with the enhancing of people's energy-conserving and environment-protective consciousness, building energy conservation is had higher requirement.Aspect building energy conservation, mainly concentrate on construction wall accumulation of energy and heat insulation on.Existing heat-insulation system, for example expansion polyphenyl plate thinly plastered external insulation system of outer wall, glue powder polyphenyl granule exterior wall outer heat preservation system, cast-in-situ concrete dovetail groove polyphenyl board exterior wall outer thermal insulation system, spraying polyurethane external thermal insulation system, rock wool external thermal insulation system etc. all are to adopt one deck insulation layer.The general little rock cotton board of coefficient of thermal conductivity, polyphenyl plate, the polyurethane sheet of adopting reduced the influence of external environment to interior temperature to a certain extent as the external-wall exterior insulation wallboard.Phase-change material has the accumulation of energy characteristic, when raising fusing, temperature absorbs heat, and emit heat when condensing when temperature reduces, so just can be implemented in abundant storage power on daytime, release energy night, is used for all or part of burden peak load on daytime, building heating or air-conditioning are used no or little, also can reduce the capacity of required air treatment facility, reduce the operation and maintenance cost of air-conditioning or heating system, and utilize the energy more rationally and effectively.Also can reduce the temperature fluctuation in the building simultaneously, improve indoor comfort level.Traditional unformed phase-change material, the mutual conversion of mushy stage can take place during use, so must use special container to be encapsulated, this not only can increase the thermal resistance between heat transfer medium and the phase-change material, reduce heat transfer efficiency, and cost also can correspondingly improve, and solid-liquid phase change material, particularly hydrated salt easily took place cold, be separated and problem such as easily aging.
(3) summary of the invention
The purpose of this invention is to provide a kind of phase-change thermal energy storage three-in-one exterior wall outer insulation system and job practices thereof, it is good enough to solve traditional exterior wall heat-preserving system heat insulation effect, can't holding chamber in temperature constant, technical problem that the room conditioning energy consumption is high; Solve mutual conversion that mushy stage can take place when traditional unformed phase-change material uses, must use that special container is encapsulated, cost height, the bad technical problem of heat insulation effect.
For achieving the above object, the present invention adopts following technical scheme:
A kind of phase-change thermal energy storage three-in-one exterior wall outer insulation system, from basic unit's body of wall 1 boundary layer 2, insulation layer, cracking resistance overcoat 6 and finish coat 7 are outwards arranged successively, it is characterized in that: above-mentioned insulation layer is three layers, and order is by first insulation layer from inside to outside, and---bonding insulation layer 3, second insulation layer---are stablized insulation layer 4, the 3rd insulation layer---and are enlivened insulation layer 5 bonding forming; Wherein, the bonding insulation layer is heat-insulation mortar bed, and stable insulation layer is a warming plate, and enlivening insulation layer is that phase-changing energy-storing is heat-insulation mortar bed; Fines in the above-mentioned phase-changing energy-storing thermal insulation mortar is to be that absorption has stored the phase-changing energy-storing porous media 10 that organic phase changing matter, external surface have coated the polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned cracking resistance overcoat is to be made of reinforcing net in the anticracking grout 9, and self-reinforcing net outside vertically hammers into anchoring piece 8 to basic unit's body of wall.
Above-mentioned enhancing net 9 can be alkali resistant glass fibre open weave cloth or wire lath.
The warming plate of aforementioned stable insulation layer 4 can be expansion polyphenyl plate, extruded polystyrene board, polyurethane sheet or with the above-mentioned warming plate of interfacial agents treatment surface.
The job practices of above-mentioned phase-change thermal energy storage three-in-one exterior wall outer insulation system is characterized in that construction sequence is as follows:
Step 3, the insulation layer construction:
A, do first insulation layer---bonding insulation layer 3 is put on thermal insulation mortar on the boundary layer uniformly or is put on the warming plate surface;
B, do second insulation layer---stablize insulation layer 4, paste heat-preserving plate immediately, with warming plate soft slide in place;
C, do the 3rd insulation layer---enliven insulation layer 5, the phase-changing energy-storing thermal insulation mortar is applied in the another side of warming plate;
After step 4, insulation layer construction are finished 3～7 days, carry out the construction of cracking resistance overcoat, smear the first pass anticracking grout after, the shop is pressed and is strengthened net 9 immediately, carries out the fixing of anchoring piece 9 then, smears anticracking grout again second time;
Two plate faces of a, the described warming plate of b can be handled with interfacial agents earlier in the above-mentioned steps 3.
The smearing thickness of phase-changing energy-storing thermal insulation mortar needs construction in layer when thick when surpassing 2cm among above-mentioned steps 3, the c, and heat-insulation mortar bed engineering time of twice phase-changing energy-storing is at interval more than 24 hours.
The per distribution ratio that the phase-changing energy-storing thermal insulation mortar is calculated by mass among above-mentioned steps 3, the c is:
Phase-changing energy-storing porous media 21～63.7%;
Redispersible polymer rubber powder 1～3%;
Cement 25～45%;
Natural fiber 0.3～1%;
Inorganic sand filler in the above-mentioned phase-changing energy-storing thermal insulation mortar can be baked sand, washed-out sand or quartz sand; Above-mentioned phase-changing energy-storing porous media 10 is to be that absorption has stored the fines that organic phase changing matter, external surface have coated the phase-changing energy-storing porous media 10 of polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned inorganic porous particle can be hollow glass bead, expanded perlite granule or activated carbon granule; above-mentioned organic phase changing matter can be butyl stearate, n-octadecane acid, hexadecane acid or above-mentioned three or both mixtures; above-mentioned polymer matrix composite rete is as raw-material emulsion with cement, polymer emulsion and filler; its filler is that filler weight accounts for 1～5% of emulsion gross weight with the metal or the inorganic non-metallic powder of coefficient of thermal conductivity greater than 8W/MK.
Above-mentioned steps 3, the phase-changing energy-storing thermal insulation mortar has following collocation method among the c, with inorganic porous particle is carrier, adopt infusion method to make absorption storage organic phase changing matter in the inorganic porous particle hole earlier, pour inorganic porous particle into organic phase changing matter, back immersion 4～8 hours stirs, and then employing infusion method, at inorganic porous particle surface parcel polymer matrix composite rete, finely dispersed inorganic porous particle is immersed in the polymer matrix composite slurries stirs, fully soak after 2～4 hours and take out, be placed under the room temperature environment and sieve after the film forming drying, make the phase-changing energy-storing porous media, again directly and the redispersible polymer rubber powder the phase-changing energy-storing porous media, cement, inorganic filler and natural fiber mix in proportion, the phase-changing energy-storing thermal insulation mortar.
Strengthening net 9 in the above-mentioned steps 4 can be alkali resistant glass fibre open weave cloth or wire lath, and its lap width is no less than 50mm.
The finish coat of above-mentioned steps 5 can be dope layer or face brick layer.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention adopts the bonding insulation layer, stablizes insulation layer, enlivens the three-in-one insulation construction of insulation layer; enliven and adopt the phase-changing energy-storing thermal insulation mortar in the insulation layer; with the carrier of inorganic porous particle as phase-change material; adopt the method for blend; the phase-change material of modification is mixed with inorganic porous particle, and cooling back phase-change material is embedded in the inorganic porous particle.To stir the coated one layer of polymeric based composites film in cooling back in adding polymer matrix composite of the material after the processing or the fluoropolymer resin glue.This phase-change material directly and redispersible polymer rubber powder, high grade cement, inorganic filler and natural fiber mix according to a certain percentage, make the phase-changing energy-storing thermal insulation mortar that is used for the energy-saving heat preserving system.Above-mentioned phase-changing energy-storing thermal insulation mortar is applied in the heat-insulation system, utilize the latent heat of phase change of phase-change material to carry out the storage of energy, the heat of absorbing environmental (cold) amount in the process that undergoes phase transition, when variation of ambient temperature, emit heat (cold) amount, the control outdoor environment temperature, reduce outdoor environment temperature to indoor influence, further reduce the heat output of body of wall, thus interior temperature constant of holding chamber and saving air conditioning energy consumption.Because the energy storage materials of phase change of phase-changing energy-storing thermal insulation mortar is the setting thing, the mutual conversion of mushy stage can not take place when therefore using, so needn't use special container to be encapsulated, and can not increase the thermal resistance between heat transfer medium and the phase-change material, can not take place cold, be separated and problem such as easily aging, greatly reduce the cost of insulation layer, significantly improved the heat preservation and energy conservation effects of body of wall, improve the energy storage density and the thermal efficiency of system, reduced the temperature fluctuation in the building.Help temperature constant in the holding chamber, significantly reduce the room conditioning energy consumption.
The phase-changing energy-storing thermal insulation mortar mainly contains following advantage:
1. the energy storage materials of phase change that is adopted all can be kept original shape before and after phase transformation, requirement to container is very low, greatly reduce the cost of phase-transition heat-storage, and the shaping phase-change material of this excellent performance can directly contact with heat transfer medium, heat exchange efficiency is greatly improved.Can reduce simultaneously the body of wall deadweight, make the body of wall attenuation, increase the usable floor area in house.
2. the insulation heat-insulating property is good.Common bonding and plastering mortar since coefficient of thermal conductivity greater than 0.9W/mk; so the heat insulation effect contribution to heat-insulation system is little; the hollow glass bead that will contain phase-change material adds in the mortar, has reduced coefficient of thermal conductivity on the one hand, and coefficient of thermal conductivity can be reduced to below the 0.07W/mk.Utilize the latent heat of phase change of phase-change material to carry out the storage of energy on the other hand, maximum latent heat of phase change is 170J/K, and being delivered to of making that heat can not be very fast is indoor, has reduced the influence to interior temperature.Phase-changing energy-storing thermal insulation mortar performance detection data are as follows:
| Project | The phase-changing energy-storing thermal insulation mortar |
| Coefficient of thermal conductivity w/ (m.k) | 0.055 |
| Dry density (kg/m 3) | 250 |
| Compressive strength (Kpa) | 440 |
| Tensile strength (Kpa) | 178 |
| Adhesion strength (Kpa) | 166 |
| Energy-conservation (%) | 50-65 |
The test result of phase-changing energy-storing thermal insulation mortar heat-insulating property and traditional material contrast is referring to Fig. 2, curve 2 is cement board chest temperature variation curves of smearing common thermal insulation mortar among the figure, curve 3 is cement board chest temperature variation curves of smearing the phase-changing energy-storing thermal insulation mortar, and curve 1 is that internal temperature is with the outer case temperature variation curve.The coefficient of thermal conductivity of common plastering mortar and adhesive mortar is 0.9w/ (mk), and the phase-changing energy-storing thermal insulation mortar has good heat insulating effect.
Method of testing: (on 10cm * 10cm * 10cm), thermal insulation mortar thickness is 5cm to be put on the identical sealing cement board of specification chest respectively with common thermal insulation mortar and phase-changing energy-storing thermal insulation mortar.The cement board chest of smearing common thermal insulation mortar is No. 2 chests, and the cement board chest of smearing the phase-changing energy-storing thermal insulation mortar is No. 3 chests.
2 chests of preparation are placed in the suitable outer case, respectively 3 the temperature inside the box are monitored, carried out record every 10 minutes by three microthermometers.Temperature is by Artificial Control, is warmed up to 70 ℃ from 10 ℃ in the 3h, drops to 10 ℃ then in 10h, so circulates the line item of going forward side by side.
From above-mentioned relation figure as can be seen, No. 2 chests and No. 3 chests maximum temperature difference in temperature-rise period are Δ T2, the maximum temperature difference Δ T4 of temperature-fall period, maximum temperature difference with variation of ambient temperature in No. 2 chests is Δ T1, maximum temperature difference with variation of ambient temperature in No. 3 chests is Δ T3, Δ T1＞Δ T3.In temperature-rise period, No. 3 chests are owing to smeared the phase-changing energy-storing thermal insulation mortar, and phase-change material has latent heat of phase change, begins to absorb heat, thus keep lower programming rate, so maximum temperature low than No. 2 chests of cement board of smearing common thermal insulation mortar.In temperature-fall period, No. 3 chests are owing to smeared the phase-changing energy-storing thermal insulation mortar, and phase-change material has latent heat of phase change, begins to emit heat, thus keep lower cooling rate, so minimum temperature is than the height of No. 2 chests of cement board of smearing common thermal insulation mortar.Because Δ T3＜Δ T1, the temperature fluctuation of No. 3 chests of cement board of promptly having smeared the phase-changing energy-storing thermal insulation mortar is much smaller than No. 2 chests of the cement board of smearing common thermal insulation mortar, so the phase-changing energy-storing thermal insulation mortar has tangible temperature adjusting performance as can be seen.
The selectable phase-change material of the present invention is BS C
22H
44O
2, its phase transition temperature is 18～20 ℃, and the comfort temperature of human body is at 23～26 ℃, and the two is more approaching.The cement board chest of smearing common thermal insulation mortar will reach the human comfort temperature with the cement board chest of having smeared the phase-changing energy-storing thermal insulation mortar, the cement board chest that the cement board chest of phase-changing energy-storing thermal insulation mortar is smeared common thermal insulation mortar relatively can conserve energy be Q=cm Δ T2 or Q=cm Δ T4 (c is the thermal capacitance of air in the formula, and m is the quality of room air).So available Δ T2 or Δ T4 weigh the energy-conservation ability of phase-changing energy-storing thermal insulation mortar, as seen in Figure 2, Δ T2=7.1 ℃ and Δ T4=3.5 ℃, all bigger, it is higher to refuse this energy-conservation ability that can judge the phase-changing energy-storing thermal insulation mortar, can play energy-conserving action preferably.
3. add energy storage materials of phase change in the mortar, utilize the accumulation of energy characteristic of phase-change material to come the temperature of the hierarchy of control, store and the process that releases energy is almost carried out under stationary temperature.The phase transition temperature of this phase-change material is in 18～45 ℃ of scopes, when raising fusing, temperature absorbs heat, and emit heat when condensing when temperature reduces, outdoor variations in temperature is regulated, add the buffer action of warming plate, played of the influence of further isolated outside temperature, thereby utilized the energy more rationally and effectively indoor environment.Also can reduce the temperature fluctuation in the building simultaneously, improve indoor comfort level.The energy storage density and the thermal efficiency of heat-insulation system have been improved.
4. compare with traditional chemical energy storage, the fixed phase change energy-accumulation material is added in the heat-insulation system, energy storage technology is simple, easy to use, is applicable to the heat-preserving energy-saving wall of various buildings.
(4) description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of phase-change thermal energy storage three-in-one exterior wall outer insulation system of the present invention.
Fig. 2 is the curve relation figure of phase-changing energy-storing thermal insulation mortar and the contrast of traditional material heat-insulating property.
Reference numeral: 1-basic unit body of wall, 2-boundary layer, 3-bonding insulation layer, 4-stablize insulation layer, 5-enlivens insulation layer, 6-cracking resistance overcoat, 7-finish coat, 8-anchoring piece, 9-enhancing net, 10-phase-changing energy-storing porous media.
(5) specific embodiment
Embodiment is referring to shown in Figure 1, this phase-change thermal energy storage three-in-one exterior wall outer insulation system, from basic unit's body of wall 1 boundary layer 2, insulation layer, cracking resistance overcoat 6 and finish coat 7 are outwards arranged successively, it is characterized in that: above-mentioned insulation layer is three layers, and order is by first insulation layer from inside to outside, and---bonding insulation layer 3, second insulation layer---are stablized insulation layer 4, the 3rd insulation layer---and are enlivened insulation layer 5 bonding forming; Wherein, the bonding insulation layer is heat-insulation mortar bed, and stable insulation layer is a warming plate, and enlivening insulation layer is that phase-changing energy-storing is heat-insulation mortar bed; Fines in the above-mentioned phase-changing energy-storing thermal insulation mortar is to be that absorption has stored the phase-changing energy-storing porous media 10 that organic phase changing matter, external surface have coated the polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned cracking resistance overcoat is to be made of reinforcing net in the anticracking grout 9, and self-reinforcing net outside vertically hammers into anchoring piece 8 to basic unit's body of wall.
Above-mentioned enhancing net 9 can be alkali resistant glass fibre open weave cloth or wire lath.
The warming plate of aforementioned stable insulation layer 4 can be expansion polyphenyl plate, extruded polystyrene board, polyurethane sheet or with the above-mentioned warming plate of interfacial agents treatment surface.
The job practices of above-mentioned phase-change thermal energy storage three-in-one exterior wall outer insulation system is characterized in that construction sequence is as follows:
Step 3, the insulation layer construction:
A, do first insulation layer---bonding insulation layer 3 is put on thermal insulation mortar on the boundary layer uniformly or is put on the warming plate surface.The bonding thermal insulation mortar should be smeared uniformly in the warming plate surface, and thickness is answered uniformity, and application area should reach absolutely.
B, do second insulation layer---stablize insulation layer 4, paste heat-preserving plate immediately slides in placely with warming plate is soft, and two plate faces of above-mentioned warming plate are handled with interfacial agents earlier.Before the paste heat-preserving plate, can be by planeness and verticality hanging wire.Look the distribution of metope hole and carry out row's plate of warming plate and snap the line on basic unit's body of wall.Warming plate should be pasted after smearing adhesive mortar immediately.Soft slide in placely, forbid that the part firmly pushes, warming plate should be by facing bond stickup, the perps fissure of displacement line by line.
C, do the 3rd insulation layer---enliven insulation layer 5, the phase-changing energy-storing thermal insulation mortar is applied in the another side of warming plate, need construction in layer when thick when smearing thickness surpasses 2cm, heat-insulation mortar bed engineering time of twice phase-changing energy-storing is at interval more than 24 hours.
The per distribution ratio embodiment 1 that above-mentioned phase-changing energy-storing thermal insulation mortar is calculated by mass is:
Phase-changing energy-storing porous media 32%;
Redispersible polymer rubber powder 2.5%;
Cement 40%;
Inorganic sand filler 25%;
Natural fiber 0.5%.
Embodiment 2:
Phase-changing energy-storing porous media 42%;
Redispersible polymer rubber powder 2.3%;
Cement 35%;
Inorganic sand filler 20%;
Natural fiber 0.7%.
Embodiment 3:
Phase-changing energy-storing porous media 27%;
Redispersible polymer rubber powder 2.2%;
Cement 42%;
Inorganic sand filler 28%;
Natural fiber 0.8%.
Embodiment 4:
Phase-changing energy-storing porous media 56%;
Redispersible polymer rubber powder 2%;
Cement 26%;
Inorganic sand filler 15%;
Above-mentioned inorganic sand filler is baked sand, washed-out sand or quartz sand.Natural fiber adopts polypropylene fibre, silicate fiber or wood fibre.Above-mentioned phase-changing energy-storing porous media 10 is to be that absorption has stored the fines that organic phase changing matter, external surface have coated the phase-changing energy-storing porous media 10 of polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned inorganic porous particle is very low hollow glass bead, expanded perlite granule or an activated carbon granule of coefficient of thermal conductivity, and the coefficient of thermal conductivity of hollow glass bead is 0.032w/ (mk), and the coefficient of thermal conductivity of expanded perlite is 0.077w/ (mk).
Above-mentioned organic phase changing matter is butyl stearate, n-octadecane acid or hexadecane acid, above-mentioned polymer matrix composite rete is to be base material with the emulsion, make as filler greater than metal or the inorganic non-metallic powder of 8W/MK with coefficient of thermal conductivity, the weight ratio that filler accounts for polymer matrix composite is 1～5%.
Above-mentioned phase-changing energy-storing thermal insulation mortar has following collocation method embodiment one: with expanded perlite granule or activated carbon granule as inorganic porous particulate vector; adopt infusion method to make absorption storage organic phase changing matter in the inorganic porous particle hole earlier; pour inorganic porous particle into butyl stearate; back immersion 4～8 hours stirs; and then employing infusion method; at inorganic porous particle surface parcel polymer matrix composite rete; finely dispersed inorganic porous particle is immersed in the polymer matrix composite slurries stirs; fully soak after 2～4 hours and take out; be placed on room temperature environment following 24 hours; sieve after the film forming drying; make the phase-changing energy-storing porous media; again directly and the redispersible polymer rubber powder the phase-changing energy-storing porous media; cement; inorganic filler and natural fiber mix in proportion, the phase-changing energy-storing thermal insulation mortar.
Embodiment two: as inorganic porous particle, the process of preparation phase-changing energy-storing porous media 10 is as follows with hollow glass bead:
Organic phase changing matter is selected BS, n-octadecane acid, hexadecane acid or above-mentioned three or both mixtures for use.
The polymer matrix composite rete is as raw-material emulsion with Portland cement, polymer emulsion, filler, its filler is with metal or the inorganic non-metallic powder of coefficient of thermal conductivity greater than 8W/MK, for example calcium bicarbonate powder or limestone powder, filler weight accounts for 1～5% of emulsion gross weight.
The butyl stearate of weighing different proportion and hollow glass bead are poured hollow glass bead into butyl stearate, and mechanical agitation is even, continue to soak after 4-8 hour and pour out.Then finely dispersed particle is immersed in the polymer matrix composite emulsion and stirs, fully soak after 2-4 hour and take out.Be placed on room temperature environment and sieved after the polymer film forming drying in following 24 hours, thereby make evengranular phase-changing energy-storing porous media.
When finish coat is coating, scrape outer wall flexible putty earlier twice, reach the planeness requirement.Even brushing waterproof priming paint then, treat waterproof priming paint drying after, the dope layer construction.
When finish coat is face brick, before binding face tile, should prepare sprayer and the basic unit of being pasted be sprayed water in advance moistening, be advisable not trickle.Face brick in each segmentation and piecemeal is bottom-up stickup, and the steady good guiding ruler of position line elder generation from basecoat brick hypodermis holds first brick with this, at the face brick crust benchmark that draws the logical line of level as stickup suitable for reading.During hanging wire, should be anyhow to evenly getting rid of seam 5mm or, leading to line to all hanging anyhow according to the engineering design requirement.Hanging in time in the iron process of shop prevents vertical missing.When horizontal range surpasses 3m or middle stringcourse floor height when surpassing 3m, use 3m thick stick chi and check.The THICKNESS CONTROL of face brick adhesive mortar is at 3-5mm.Face brick is handled through immersion.After having pasted face brick, carry out jointing, seam should be controlled at 2-3mm deeply, and brickwork joint should be continuous, straight.During the normal temperature construction, want wet curing after 24 hours, the water spray is too much unsuitable, must not trickle.Unsuitable winter construction.By national standard, continuous 7 must not carry out the face brick construction when temperature on average is lower than 5 ℃ round the clock.
Claims (10)
1. phase-change thermal energy storage three-in-one exterior wall outer insulation system, from basic unit's body of wall (1) boundary layer (2), insulation layer, cracking resistance overcoat (6) and finish coat (7) are outwards arranged successively, it is characterized in that: above-mentioned insulation layer is three layers, and order is by first insulation layer from inside to outside, and--bonding insulation layer (3), second insulation layer--are stablized insulation layer (4), the 3rd insulation layer--and are enlivened bonding the forming of insulation layer (5); Wherein, the bonding insulation layer is heat-insulation mortar bed, and stable insulation layer is a warming plate, and enlivening insulation layer is that phase-changing energy-storing is heat-insulation mortar bed; Fines in the above-mentioned phase-changing energy-storing thermal insulation mortar is to be that absorption has stored the phase-changing energy-storing porous media (10) that organic phase changing matter, external surface have coated the polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned cracking resistance overcoat is to be made of reinforcing net in the anticracking grout (9), and self-reinforcing net outside vertically hammers into anchoring piece (8) to basic unit's body of wall.
2. phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 1 is characterized in that: above-mentioned enhancing net (9) is alkali resistant glass fibre open weave cloth or wire lath.
3. phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 1 and 2 is characterized in that: the warming plate of aforementioned stable insulation layer (4) is expansion polyphenyl plate, extruded polystyrene board, polyurethane sheet or with the above-mentioned warming plate of interfacial agents treatment surface.
4. the job practices of any described phase-change thermal energy storage three-in-one exterior wall outer insulation system of claim 1-3 is characterized in that construction sequence is as follows:
Step 1, cleaning basic unit's body of wall (1);
Step 2, brushing boundary layer (2);
Step 3, the insulation layer construction:
A, do first insulation layer--bonding insulation layer (3) is put on thermal insulation mortar on the boundary layer uniformly or is put on the warming plate surface;
B, do second insulation layer--stablize insulation layer (4), paste heat-preserving plate immediately, with warming plate soft slide in place;
C, do the 3rd insulation layer--enliven insulation layer (5), the phase-changing energy-storing thermal insulation mortar is applied in the another side of warming plate;
After step 4, insulation layer construction are finished 3～7 days, carry out the construction of cracking resistance overcoat, smear the first pass anticracking grout after, the shop is pressed and is strengthened net (8) immediately, carries out the fixing of anchoring piece (9) then, smears anticracking grout again second time;
Step 5, the finish coat construction.
5. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4 is characterized in that: two plate faces of a, the described warming plate of b are handled with interfacial agents earlier in the above-mentioned steps 3.
6. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4, it is characterized in that: the smearing thickness of phase-changing energy-storing thermal insulation mortar surpasses 2cm and needs construction in layer when thick among above-mentioned steps 3, the c, and heat-insulation mortar bed engineering time of twice phase-changing energy-storing is at interval more than 24 hours.
7. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4, it is characterized in that: the per distribution ratio that the phase-changing energy-storing thermal insulation mortar is calculated by mass among above-mentioned steps 3, the c is:
Phase-changing energy-storing porous media 21～63.7%;
Redispersible polymer rubber powder 1～3%;
Cement 25～45%;
Inorganic sand filler 10～30%;
Natural fiber 0.3～1%;
Inorganic sand filler in the above-mentioned phase-changing energy-storing thermal insulation mortar is baked sand, washed-out sand or quartz sand; Above-mentioned phase-changing energy-storing porous media (10) is to be that absorption has stored the fines that organic phase changing matter, external surface have coated the phase-changing energy-storing porous media (10) of polymer matrix composite rete in carrier, the hole with inorganic porous particle; Above-mentioned inorganic porous particle is hollow glass bead, expanded perlite granule or activated carbon granule; above-mentioned organic phase changing matter is butyl stearate, n-octadecane acid, hexadecane acid or above-mentioned three or both mixtures; above-mentioned polymer matrix composite rete is as raw-material emulsion with cement, polymer emulsion and filler; its filler is that filler weight accounts for 1～5% of emulsion gross weight with the metal or the inorganic non-metallic powder of coefficient of thermal conductivity greater than 8W/MK.
8. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4, it is characterized in that: above-mentioned steps 3, the phase-changing energy-storing thermal insulation mortar has following collocation method among the c, with inorganic porous particle is carrier, adopt infusion method to make absorption storage organic phase changing matter in the inorganic porous particle hole earlier, pour inorganic porous particle into organic phase changing matter, back immersion 4～8 hours stirs, and then employing infusion method, at inorganic porous particle surface parcel polymer matrix composite rete, finely dispersed inorganic porous particle is immersed in the polymer matrix composite slurries stirs, fully soak after 2～4 hours and take out, be placed under the room temperature environment and sieve after the film forming drying, make the phase-changing energy-storing porous media, again directly and the redispersible polymer rubber powder the phase-changing energy-storing porous media, cement, inorganic filler and natural fiber mix in proportion, the phase-changing energy-storing thermal insulation mortar.
9. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4, it is characterized in that: strengthening net (9) in the above-mentioned steps 4 is alkali resistant glass fibre open weave cloth or wire lath, and its lap width is no less than 50mm.
10. the job practices of phase-change thermal energy storage three-in-one exterior wall outer insulation system according to claim 4, it is characterized in that: the finish coat of above-mentioned steps 5 is dope layer or face brick layer.
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