CN101514571B - Method for constructing external wall polyurethane insulation and panel for construction - Google Patents
Method for constructing external wall polyurethane insulation and panel for construction Download PDFInfo
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- CN101514571B CN101514571B CN2009100666740A CN200910066674A CN101514571B CN 101514571 B CN101514571 B CN 101514571B CN 2009100666740 A CN2009100666740 A CN 2009100666740A CN 200910066674 A CN200910066674 A CN 200910066674A CN 101514571 B CN101514571 B CN 101514571B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention provides a method for constructing external wall polyurethane insulation and a panel for construction. The method comprises the following steps: a positioning deformed piece with the same or similar insulating performance with polyurethane hard bubble on a panel to prefabricate a constructing panel; the constructing panel is fixed on the surface of an external wall; then, a polyurethane hard bubble insulating layer is poured in hollow space between the panel and the surface of the external wall, so that the polyurethane hard bubble, the positioning deformed piece and the panel are compounded into a hole. After the polyurethane is solidified, an adjustable mount used in construction can be detached, thereby producing a complete and true energy-saving polyurethane external wall external insulating layer. The external wall insulating layer constructed by the method has the advantages of quick constructing speed, high smoothness and strength of the wall body, good insulating performance, reusability of the detached adjustable mount, raw material conservation and low construction cost. The panel is not only applicable to various new constructed buildings, but also applicable to energy-saving modification of the buildings, is suitable for national condition of China, has wide application range and popularization value, and can generate great social benefit and economic benefit after application.
Description
Technical field
The present invention relates to the job practices and the construction panel of the improvement of exterior wall outer thermal insulation construction method, particularly external wall polyurethane insulation, belong to the energy-saving building technology field.
Background technology
China is populous, energy relative shortage.Existing building enormous amount, building energy consumption are near 30% of social total energy consumption.Along with the raising of quickening of urbanization process and resident living level, building energy consumption also will constantly increase.Greatly developing energy-saving building is the important content of implementing the national sustainable development strategy.Improving the heat-insulating property of building envelope, is one of important means of building energy conservation.
China's External Thermal Insulation Technology for External has emerged the different heat insulating materials of multiple employing, the heat insulation system of different job practicess through the development in surplus ten years.Wherein general with polyphenyl plate (EPS plate) thin layer plastoring system.Along with the raising that building energy conservation requires, the new external wall heat insulation system of developmental research has become an important problem, and the building energy conservation expert is consistent both at home and abroad thinks that polyurethane material is the best heat insulating material of performance.The normality of polyurethane is a liquid, promptly begins foaming and intumescing and be solidified into gradually to hard bubble after the raw material of different component is mixed by proportioning.Hard polyurethane foam has that coefficient of thermal conductivity is low, good heat insulating, easily and other base material bonding, can form the excellent properties such as insulation layer that no seam does not have cavity.At present, polyurethane is used for the more feasible job practices of external wall outer insulation, is referred to as " filling polyurethane system in the mould ".But if this job practices is form removal behind the pouring polyurethane foam, on template, need to brush release agent, need polishing after the template dismounting, could carry out the construction of next step outside finish in insulation layer surface then, speed of application is slow, operation is numerous and diverse, long construction period; If not form removal behind the pouring polyurethane foam then exists: the fixture that the thickness of insulation layer is wayward, edge joint position easily produces crack, fixed form is got to get off defectives such as forming heat bridge, influences the integral heat insulation performance of insulation layer.
Summary of the invention
The objective of the invention is above-mentioned deficiency at prior art, give full play to the advantage of hard polyurethane foam in building energy conservation, overcome the defective that hard polyurethane foam exists in building energy conservation construction, provide that a kind of job practices is simple, speed of application fast, the job practices of the external wall polyurethane insulation of good engineering quality.
The technical scheme that realizes the object of the invention is:
The job practices of this external wall polyurethane insulation comprises the steps:
(1) prefabricated construction panel: the location profiled piece that fixedly connected at least 1 hard polyurethane foam constitutes on the back side of the every panel of selecting for use, the thickness of location profiled piece is consistent with the thickness of the polyurethane insulation coating that will pour into, and precasts the thickness of location profiled piece and the corresponding to construction panel of thickness of the polyurethane insulation coating that will pour into;
When the profiled piece of fixedly connected location, the back side of panel, prefabricated hard polyurethane foam location profiled piece can be adhesively fixed on the back side of panel with adhesive special; Also can use the particular manufacturing craft identical directly to pour into out hard polyurethane foam location profiled piece at the back side of panel with locating profile shape.
(2) fix the construction panel on the body of wall outside: after smearing adhesive special on the location profiled piece of construction with panel, to construct and be adhesively fixed on respectively on the outer body of wall with panel, and on the position of location profiled piece, install with outside the body of wall detachable anchor bolt of fixedlying connected, utilization is sleeved on adjustment billet and the nut on the anchor bolt, further adjusts the spacing of panel and outer body of wall.
(3) filling polyurethane: with between the edge of panel and the outer body of wall, and each construction is with on the slit between the panel in each construction, add sealing respectively after, construct use panel and outside filling polyurethane in the cavity between the body of wall.
(4) shed anchor bolt and adjustment part: after hard polyurethane foam solidifies, shed the adjustment billet, the nut that are sleeved on the anchor bolt, and be fixed on detachable anchor bolt on the outer body of wall, and in the position that anchor bolt is vacated filling polyurethane foam gap filler respectively, after cranny filler of polyurethane foam solidified, trimming got final product.
The shape of cross section of described location profiled piece, the Any shape that can form by shapes such as square, rectangle, circle, ellipses; In order to make the location profiled piece better contact be arranged and be connected, on the facade around the profiled piece of location, also can have reinforced company's joggle groove of shapes such as rectangle, dihedral, swallow-tail form with the hard polyurethane foam insulation layer.
Described panel can be various forms of panels, it can be prefabricated inorganic plate, as fiber cement increased pressure board, calcium silicate board etc., also can be glass fiber reinforcement cement board (GRC plate), color steel, can also be the panel of producing imitative brick surface layer or furring brick on fiber cement increased pressure board, calcium silicate board or glass fiber reinforcement cement board in advance.
Employed adhesive special in step (1) and (2) is made by following raw material and by following preparation method;
After the vinyl acetate-ethylene copolymerization emulsions of 6-8 weight portion and 3-6 parts by weight of acrylic emulsion mixed, after mixing with the methylcellulose of the dried quartz sand of 50-100 purpose of the dried quartz sand of 30-50 purpose of 42.5 Portland cements of the water of 9-11 weight portion, 18-22 weight portion, 9-14 weight portion, 39-45 weight portion and 5-9 weight portion again, add an amount of conventional defoamer and early strength water-reducing agent and get final product.
In order to reduce construction cost, fixedly connected hard polyurethane foam location profiled piece on also can the back side with panel, change to close with the hard polyurethane foam technical performance, the extruded polystyrene foam location profiled piece that extruded polystyrene cystosepiment (XPS plate) is made, the thickness of location profiled piece is consistent with the thickness of the polyurethane insulation coating that will pour into, and with adhesive special with its back side that is adhesively fixed on panel, precast the thickness of location profiled piece and the corresponding to construction panel of thickness of the polyurethane insulation coating that will pour into.
Another object of the present invention provides the construction panel of the external wall polyurethane insulation that uses in the job practices of this external wall polyurethane insulation.
The construction panel of this external wall polyurethane insulation, constitute by panel body, be characterized in fixedly connected at least 1 location profiled piece that is made of hard polyurethane foam at the back side of panel body, the thickness of location profiled piece is consistent with the thickness of the polyurethane insulation coating that will pour into.
The shape of cross section of described location profiled piece, the Any shape that can form by shapes such as square, rectangle, circle, ellipses.
In order to make the location profiled piece better contact be arranged and be connected, on the facade around the profiled piece of location, also can have reinforced company's joggle groove of shapes such as rectangle, dihedral, swallow-tail form with polyurethane insulation coating.
For the location profiled piece is fixedlyed connected with outer body of wall, on the shaped piece of location, also can have at least 1 installing hole that runs through location shaped piece and panel body.
Described panel body can be various forms of panels, it can be prefabricated inorganic plate, as fiber cement increased pressure board, calcium silicate board etc., also can be glass fiber reinforcement cement board (GRC plate), color steel, can also be the panel of producing imitative brick surface layer or furring brick on fiber cement increased pressure board, calcium silicate board or glass fiber reinforcement cement board in advance.
The location profiled piece that described hard polyurethane foam constitutes, also can use instead close with its technical performance, the location profiled piece that extruded polystyrene cystosepiment (XPS plate) constitutes.
The job practices of external wall polyurethane insulation of the present invention is that the location shaped piece that will have or close heat-insulating property identical with hard polyurethane foam earlier is fixed on the panel, is prefabricated into the construction panel; Be fixed on this construction on the surface of outer body of wall with panel again, since panel and outside have the location shaped piece between the surface of wall, can make the adjustment of distance between panel and the outer surface of wall become very convenient and accurate, promptly be easy to control the thickness of insulation layer; Last pouring polyurethane foam insulation layer in the cavity of panel and outer surface of wall again, making the hard polyurethane foam of perfusion compound with the location shaped piece is one.After hard polyurethane foam solidifies, the adjustment fixture that uses in the construction can be shed, adjusting the filling polyurethane foam gap filler in the position of vacating of fixture again.Thereby make perfect, the real energy-conservation polyurethane rigid foam exterior wall external thermal insulation of one side.
The invention has the beneficial effects as follows:
(1) job practices of the present invention, design is simple novel unique, all adopt routine techniques in the construction, implement easily and apply, the hard polyurethane foam of perfusion does not have lets out seam, pollution-free, be convenient to that mechanized continuous productive process, speed of application are fast, wall leveling degree height, quality be good, has great promotional value.
(2) in the heat insulation system that employing job practices of the present invention is made, the location profiled piece is to adopt material---hard polyurethane foam or the extruded polystyrene foam identical or close with the heat-insulating property of insulation layer, particularly on the profiled piece of location, has reinforced company's joggle groove, behind the filling polyurethane, the pressure that relies on foaming to produce can be located slit and tongue-and-groove etc. to fill full, fully firmly johning knot is synthetic as a whole to make insulation layer and location profiled piece, forms bonding, high strength, void-free external wall insulating layer entirely.
(3) can be very easily according to different regions, difference building and the insulation requirement in different energy-conservation stages, determine the thickness of location shaped piece, and precast construction and use panel, utilize the location shaped piece that whole outer surface of wall and each panel are all maintained a certain distance during construction, significantly improve construction quality and operating efficiency.
(4) after construction is finished, after the adjustment fixture that uses in the construction shed, adjusting the filling polyurethane foam gap filler in the position of vacating of fixture again, can guarantee definitely that heat bridge phenomenon does not appear in insulation layer, and the adjustment fixture that unloads can use repeatedly, save material, reduce construction cost.
(5) in the heat insulation system that employing job practices of the present invention is made, polyurethane insulation coating also is a tack coat, and insulation layer will be constructed and firmly be connected as one with panel and outer body of wall, and the thermal-insulating waterproof performance is good, strong with the adhesion stress of outer body of wall, bad phenomenon such as be difficult for to produce cracking, hollowing and come off.
Job practices of the present invention both applicable to newly-built residential building, public building and industrial construction, also applicable to the reducing energy consumption of existing various existing buildings, is more suitable for highrise building and uses, and is fit to China's national situation, and range of application is very extensive.Have promotional value, practical value, will produce than great society benefit and economic benefit after applying.
Description of drawings
Fig. 1 is the structural representation of the construction of embodiments of the invention 1 with panel.
Fig. 2 is the backsight structural representation of Fig. 1.
Fig. 3 is along the cross-sectional view of installing hole among Fig. 1.
Fig. 4-the 7th, the work progress schematic diagram of external wall polyurethane insulation.
Fig. 8 is the structural representation of the construction of embodiments of the invention 7 with panel.
Fig. 9 is the backsight structural representation of Fig. 8.
Figure 10 is along the cross-sectional view of installing hole among Fig. 8.
Figure 11 is the structural representation of the construction of embodiments of the invention 9 with panel.
Figure 12 is the backsight structural representation of Figure 11.
Figure 13 is the left TV structure schematic diagram of Figure 11.
The specific embodiment
The present invention is further described with the embodiment that provides below in conjunction with accompanying drawing.But the present invention is not limited to embodiment, and those of ordinary skills do some modification, all in protection domain of the present invention.
Embodiment 1: make panel prefabricated construction panel with calcium silicate board
At first, according to the construction area of implementing exterior-wall heat insulation, determine the thickness of insulation layer.Present embodiment is to implement the exterior-wall heat insulation construction in Jilin Area, the requirement of heat transfer coefficient of outer wall limit value when the thickness of its insulation layer should meet local building energy conservation 65%, and the thickness of determining insulation layer is 60 millimeters.
Selection appearance and size is that 900 * 600 * 8 millimeters calcium silicate board is made panel, and the location shaped piece is selected 150 * 400 millimeters hyperboloid shape for use, 60 millimeters of thickness.For this reason, one thick 60 millimeters of preparations with the identical particular manufacturing craft of hyperboloid location shaped piece shape.
With reference to Fig. 1,2 and 3, with the back side of calcium silicate board panel 1 after surfacing, 2 particular manufacturing crafts are set on every calcium silicate board, spray coating polyurethane rigid foam hyperboloid location shaped piece 2 in particular manufacturing craft, the surperficial hacking of the hyperboloid location shaped piece after will solidifying after 1 hour, hyperboloid location shaped piece fixedly secures the back side at the calcium silicate board panel by the bonding force of hard polyurethane foam, locate the installing hole 3 that runs through hyperboloid location shaped piece and calcium silicate board panel that respectively bores 12 millimeters of 1 diameters up and down of shaped piece then at hyperboloid, withdraw from mould at last, precast have 2 hyperboloids location shaped pieces on every panel make the construction panel of panel with calcium silicate board.
Embodiment 2-5: the present invention's preparation of special-purpose adhesive
The weight proportion of each embodiment raw material (unit: kilogram) see Table 1.
Preparation method: (with embodiment 3 is example, and other embodiment is except that raw material consumption difference, and the preparation method is substantially the same manner as Example 3)
After the acrylic emulsion of 6 kilograms vinyl acetate-ethylene copolymerization emulsions and 4 kilograms mixed, mix with 10 kilograms water, 20 kilograms 42.5 Portland cements, 10 kilograms the dried quartz sand of 30-50 order, 40 kilograms the dried quartz sand of 50-100 order and 9 kilograms methylcellulose again, adding conventional 0.8 kilogram of defoamer and 0.2 kilogram of naphthalene then is early strength water-reducing agent, gets 100 kilograms of the present invention's special-purpose adhesives.
Table 1
| |
2 | 3 | 4 | 5 |
| Vinyl acetate- |
8 | 6 | 6 | 7 |
| |
3 | 4 | 5 | 6 |
| Water | 9 | 10 | 10 | 11 |
| 42.5 Portland cement | 22 | 20 | 18 | 22 |
| The dried quartz sand of 30-50 order | 9 | 10 | 14 | 12 |
| The dried quartz sand of 50-100 order | 43 | 40 | 39 | 45 |
| |
5 | 9 | 9 | 8 |
| Defoamer | 0.8 | 0.8 | 0.8 | 0.8 |
| Naphthalene is an early strength water-reducing agent | 0.2 | 0.2 | 0.2 | 0.2 |
Embodiment 6: do the construction of the external wall polyurethane insulation of panel with calcium silicate board
With reference to Fig. 4,5,6 and 7, do the construction of the external wall polyurethane insulation of panel with calcium silicate board, its construction sequence is as follows:
(1) use on the location profiled piece of panel in the embodiment 1 prefabricated construction of making panel with calcium silicate board, smear embodiment 3 gained adhesive specials, successively smear 2 times, every all over smearing 1.5 millimeters thick.
(2) utilize the adhesive special of smearing on the profiled piece of location 4, by design attitude respectively be adhesively fixed on the external surface of outer body of wall on panel every construction, in the time of installation in position, the external body of wall boring in the position of location shaped piece installing hole, hammer into the detachable anchor bolt 5 of fixedlying connected with outer body of wall, the suit strip is adjusted billet 6 on each constructs with the anchor bolt between the panel again, screw with nut 7 then, make construction with panel neat successively be fixed on exterior wall surface, and simultaneously each construction with the edge of panel with outside between the surface of wall and on respectively constructing with the slit between the panel rubber seal 8 is set, see Fig. 4, shown in 5.
(3) the further careful spacing of adjusting panel and outer surface of wall, make between each panel smooth, after the planeness of panel and the plate seam sealing acceptance(check), construction use panel and outside filling polyurethane 9 in the cavity between the surface of wall, see shown in Figure 6.600 millimeters of the every floor heights of panel are installed one deck perfusion one deck, finish last one deck until perfusion.
(4) after 30 minutes to 1 hour hard polyurethane foams of perfusion solidify, shed the adjustment billet, the nut that are sleeved on the anchor bolt, and be fixed on detachable anchor bolt on the outer body of wall, filling polyurethane foam gap filler 10 carries out sealing of hole in the installing hole that anchor bolt is vacated again, finish the external wall polyurethane insulation construction, see shown in Figure 7.
Embodiment 7: make panel prefabricated construction panel with the calcium silicate board that has imitative brick surface layer
With reference to Fig. 8,9 and 10, identical with embodiment 1, present embodiment also is to implement the exterior-wall heat insulation construction in Jilin Area, and the thickness of insulation layer is defined as 60 millimeters.The appearance and size that has the calcium silicate board 11 of imitative brick surface layer is 900 * 600 * 8 millimeters, location shaped piece 12 is selected 120 * 400 millimeters rectangle for use, 60 millimeters of thickness, and on profiled piece two side elevations of location, respectively have 2 corresponding swallow-tail form reinforced company joggle grooves 13.
Prepare one thick 60 millimeters with location shaped piece shape identical particular manufacturing craft, spray polyurethane in particular manufacturing craft precasts hard polyurethane foam location shaped piece.Then on the profiled piece of location, smear embodiment 3 adhesive specials 4, successively smear 2 times, every all over smearing 1.5 millimeters thick, hard polyurethane foam is located the back side that shaped piece is pasted and fixed on the calcium silicate board that has imitative brick surface layer, paste 2 location shaped pieces altogether on the calcium silicate board that every has an imitative brick surface layer, and locating the installing hole 3 that runs through location shaped piece and panel that respectively bores 12 millimeters of 1 diameters up and down of shaped piece, precast the usefulness that have 2 location shaped pieces on every panel and have the construction panel that the calcium silicate board of imitating the brick surface layer is made panel.
Embodiment 8: do the construction of the external wall polyurethane insulation of panel with the calcium silicate board that has imitative brick surface layer
Make the construction sequence of the external wall polyurethane insulation of panel with having the calcium silicate board of imitating the brick surface layer, basic identical with the construction sequence of embodiment 6, be not repeated in this description.Different only is to need after construction is finished that the cranny filler of polyurethane foam that pours in the installing hole is imitated the brick surface layer and repair.
Embodiment 9: do the preparation of the construction of panel with panel with the fiber cement increased pressure board
With reference to Figure 11,12 and 13, fiber cement increased pressure board 15 in the present embodiment is selected 1200 * 600 * 8 millimeters for use, it is raw material that location profiled piece 16 is selected the extruded polystyrene cystosepiment for use, cut into 150 * 400 millimeters rectangle, and on two side elevations of location profiled piece, respectively have 2 corresponding rectangle reinforced company joggle grooves 17.In order to satisfy the 65% heat transfer coefficient of outer wall limit value requirement of Jilin Area building energy conservation after compound with hard polyurethane foam, the thickness of location shaped piece is defined as 65 millimeters.
After the backside surface processing with the fiber cement increased pressure board, to locate shaped piece with embodiment 4 gained adhesive specials 14 sticks on the fiber cement increased pressure board, every fiber cement increased pressure board is pasted 3 location shaped pieces, and at the installing hole 3 that runs through location shaped piece and panel that respectively bores 12 millimeters of 1 diameters up and down of location shaped piece, precast have 3 location shaped pieces on every panel make the construction panel of panel with the fiber cement increased pressure board.
Embodiment 10: do the construction of the external wall polyurethane insulation of panel with the fiber cement increased pressure board
Make the construction sequence of the external wall polyurethane insulation of panel with the fiber cement increased pressure board, basic identical with the construction sequence of embodiment 6, be not repeated in this description.
More than raw material among each embodiment all select commercially available conventional products for use, the source of several main raw material(s)s and quality index should reach following requirement respectively:
Spraying polyurethane: 1, combined polyether or polyester (white material): Jin Pu group Jiangsu Zhong Mountain Co., Ltd, Fushun Jiahua Polyurethane Co., Ltd; Outward appearance: transparent thick liquid; Viscosity: 100-300Mpas;-OH content: 400-700.2, isocyanates (black material): the magnificent polyurethane in Yantai, Shandong ten thousand Co., Ltd, U.S. BASF AG; Leading indicator: purity 85-90%; NCO content 30-32%; Proportion 1.23-1.24; Brown liquid.
Vinyl acetate-ethylene copolymerization emulsions: the Nanjing abundant chemical industry of pellet Co., Ltd; The trade mark: CP149.
Acrylic emulsion: the super imperial Chemical Industry Science Co., Ltd in Guangzhou; Model: XY-109B.
Cranny filler of polyurethane foam: Shanghai Guang Yuan Industrial Co., Ltd.; Operative norm: JC936-2004.
Test example 1: the heat-insulating property test of external wall polyurethane insulation job practices of the present invention
For detecting the heat-insulating property of external wall polyurethane insulation job practices of the present invention, at Jilin Province's building materials product, commodity monitoring inspection point thermal science laboratory, be built into 220 millimeters of thickness (containing the both sides floated coat), the blockwork that area is 1.0 * 1.0 square metres with Normal concrete small hollow block (bearing building block).With the construction panel of embodiment 1 and embodiment 9,, record the heat-insulating property of two kinds of combined walls respectively, its heat-insulating property such as table 2 with the combined wall of blockwork composition polyurethane insulation coating.
Table 2
| Project | Unit | Combined wall with |
Combined wall with embodiment 9 |
| Insulation layer thickness actual measurement wall heat resistance wall heat transfer coefficient and body of wall adhesion stress | mm m 2·k/W W/m 2·k Mpa | ?60?2.82?0.34?0.25 | ?65?2.63?0.36?0.23 |
Test example 2: the contrast test of the different job practicess of external wall outer insulation
Be examination checking outstanding technological progress of the present invention, choose the external wall outer insulation wall of job practices gained of the external wall polyurethane insulation of embodiment 6 and embodiment 10, and the present polystyrene foam plate thin layer plastering exterior wall external thermal insulated wall that generally adopts of reference examples, each 120 square metres, respectively its heat-insulating property and cost etc. are tested comparative test result such as table 3.
Table 3
Conclusion:
Through inventor's internal engineering check, and above-mentioned result of the test, fully prove:
(1) job practices of external wall polyurethane insulation of the present invention, made full use of the bonding force that is produced in the hard polyurethane foam course of reaction, make hard polyurethane foam insulation layer and outer surface of wall, construction with panel and location profiled piece etc. all firm bonding of energy become as a whole, insulation layer is bonding reliable, the bonding force of actual measurement body of wall and panel is incubated bonding force outward above polystyrene foam plate (EPS plate) thin layer plastering exterior wall and only is more than a times of 0.1Mpa all greater than 0.2Mpa.
(2) job practices of external wall polyurethane insulation of the present invention, the insulation layer behind the in-site pouring polyurethane does not have seam, and globality is strong, can unload the metallic adjusted fixture of use simultaneously, has really avoided cold (heat) bridge.Polystyrene foam plate (EPS plate) or extruded polystyrene cystosepiment (XPS plate) thin layer are plastered, and because of considering the influence in slit between plate, the coefficient of thermal conductivity of heat insulating material is added with 1.2 correction factor, but the present invention does not have seam, and correction factor is got 1.05-1.1 and got final product.
(3) job practices of external wall polyurethane insulation of the present invention, construction sequence is simple, save material, difficulty of construction and the quality drawback of having avoided thin layer to plaster, reduced the consumption of artificial and material, the general teams and groups that construct can finish more than 400 square metres the reduction of erection time nearly 1/3rd every day by this job practices.
(4) job practices of external wall polyurethane insulation of the present invention has been avoided on-the-spot spray polyurethane to be subjected to wind effect and to the pollution of environment, has been improved frothing percentage and stock utilization; After adopting inorganic panel, durability, fireproof performance are increased substantially.
(5) through the internal engineering evidence, the job practices of external wall polyurethane insulation of the present invention is fit to China's national situation, can satisfy the insulation requirement in different regions, different buildings and different energy-conservation stages, range of application is very extensive, has promotional value and practical value.
Claims (1)
1. the job practices of an external wall polyurethane insulation is characterized in that comprising the steps:
(1) prefabricated construction panel: the location profiled piece that fixedly connected at least 1 hard polyurethane foam constitutes on the back side of the every panel of selecting for use, the thickness of location profiled piece is consistent with the thickness of the polyurethane insulation coating that will pour into, and precasts the thickness of location profiled piece and the corresponding to construction panel of thickness of the polyurethane insulation coating that will pour into;
The location profiled piece is with prefabricated hard polyurethane foam location profiled piece, is adhesively fixed on the back side of panel with adhesive special, or uses the particular manufacturing craft identical with locating profile shape directly to pour into out hard polyurethane foam at the back side of panel and locate profiled piece;
The shape of cross section of location profiled piece has reinforced company's joggle groove of rectangle, dihedral or swallow-tail form by square, rectangle, circle or oval the composition on the facade around the profiled piece of location; On the profiled piece of location, have at least 1 installing hole that runs through location shaped piece and panel;
(2) fix the construction panel on the body of wall outside: after smearing adhesive special on the location profiled piece of construction with panel, to construct and be adhesively fixed on respectively on the outer body of wall with panel, and on the position of location profiled piece, install with outside the body of wall detachable anchor bolt of fixedlying connected, utilization is sleeved on adjustment billet and the nut on the anchor bolt, further adjusts the spacing of panel and outer body of wall;
Adhesive special is made by following raw material and by following preparation method;
After the vinyl acetate-ethylene copolymerization emulsions of 6-8 weight portion and 3-6 parts by weight of acrylic emulsion mixed, after mixing with the methylcellulose of the dried quartz sand of 50-100 purpose of the dried quartz sand of 30-50 purpose of 42.5 Portland cements of the water of 9-11 weight portion, 18-22 weight portion, 9-14 weight portion, 39-45 weight portion and 5-9 weight portion again, get final product;
(3) filling polyurethane: with between the edge of panel and the outer body of wall, and each construction is with on the slit between the panel in each construction, add sealing respectively after, construct use panel and outside filling polyurethane in the cavity between the body of wall;
(4) shed anchor bolt and adjustment part: after hard polyurethane foam solidifies, shed the adjustment billet, the nut that are sleeved on the anchor bolt, and be fixed on detachable anchor bolt on the outer body of wall, and in the position that anchor bolt is vacated filling polyurethane foam gap filler respectively, after cranny filler of polyurethane foam solidified, trimming got final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100666740A CN101514571B (en) | 2009-03-19 | 2009-03-19 | Method for constructing external wall polyurethane insulation and panel for construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100666740A CN101514571B (en) | 2009-03-19 | 2009-03-19 | Method for constructing external wall polyurethane insulation and panel for construction |
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| Publication Number | Publication Date |
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| CN101514571A CN101514571A (en) | 2009-08-26 |
| CN101514571B true CN101514571B (en) | 2011-04-13 |
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| CN2009100666740A Expired - Fee Related CN101514571B (en) | 2009-03-19 | 2009-03-19 | Method for constructing external wall polyurethane insulation and panel for construction |
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| CN103159439B (en) * | 2011-12-16 | 2016-02-24 | 山东固安特新材料科技股份有限公司 | Coal and rock spraying enclosed material |
| CN103410263B (en) * | 2013-08-06 | 2016-04-06 | 广州市九臻建材科技有限公司 | A kind of construction method of heat insulation integrated ceramic curtain wall |
| CN103726591B (en) * | 2014-01-22 | 2016-06-22 | 深圳大学 | A kind of shear wall and production method thereof |
| WO2016166545A1 (en) | 2015-04-17 | 2016-10-20 | B R Testing Limited | Fitting external insulation systems to buildings |
| CN106545119B (en) * | 2015-09-16 | 2020-02-07 | 大连普乐士低碳节能科技有限公司 | Heat-insulating wall board for cold storage and manufacturing method thereof |
| CN108237636A (en) * | 2016-12-23 | 2018-07-03 | 德州北辰福润达卫浴有限公司 | The mating tile wall board production technology of integral bathroom |
| CN109826387A (en) * | 2019-02-13 | 2019-05-31 | 江苏尼高科技有限公司 | It is non-to root out formula outer thermal-insulation decorative restorative procedure |
| CN111021786B (en) * | 2019-11-27 | 2022-08-09 | 中建科技集团有限公司 | Connection node's between box room box no heat bridge structure and box room |
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