CN109898693B - Method for heat preservation, energy conservation and water drainage of building external wall - Google Patents
Method for heat preservation, energy conservation and water drainage of building external wall Download PDFInfo
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- CN109898693B CN109898693B CN201910178553.9A CN201910178553A CN109898693B CN 109898693 B CN109898693 B CN 109898693B CN 201910178553 A CN201910178553 A CN 201910178553A CN 109898693 B CN109898693 B CN 109898693B
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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
- 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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- Building Environments (AREA)
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Abstract
The invention discloses a method for heat preservation, energy conservation and water drainage of an external wall of a building, which comprises nine steps: firstly, preparing a square fixing frame with the size matched with the building outer wall in advance according to the size of the building outer wall; and secondly, utilizing an electric drill to open a plurality of first mounting holes on the outdoor surface of the building outer wall. The invention can reduce the workload of trimming the edge greatly, thereby improving the working efficiency and simultaneously improving the construction quality, and can detach the integral structure by drawing the square fixing frame when the rigid foam polyurethane heat-insulating layer needs to be detached in the later period.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a method for heat preservation, energy conservation and water drainage and prevention of a building exterior wall.
Background
The existing method for heat preservation, energy saving and water drainage of the building external wall needs to greatly trim the edge, has larger workload, thereby affecting the working efficiency and the construction quality, the heat preservation layer of the construction is very troublesome to dismantle in the later period, has poorer practicability, has poorer heat preservation and water resistance, is infirm in bonding and poor in wind resistance, can spontaneously combust when meeting naked fire, has dripping phenomenon during combustion, is easy to damp on the indoor surface of the building external wall, often causes cracking due to uneven cooling and heating of the building external wall, has little effect on indoor energy saving, has no finishing coat, seriously affects the beauty of the building external wall, does not construct according to the design standard of heat preservation and energy saving of the building external wall strictly, can not ensure the construction quality and the performance of heat preservation, energy saving and water drainage and can not ensure the successful acceptance in the later period, the method is not suitable for the later-stage heat-preservation and energy-saving transformation of the building outer wall, so that the existing later-stage heat-preservation and energy-saving transformation of the building outer wall lacks effective measures.
Therefore, the method is superior to the existing method for heat preservation, energy conservation and water drainage of the building outer wall.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for heat preservation, energy saving and water prevention of a building outer wall, which can reduce the workload of trimming the edge to a large extent, thereby improving the working efficiency and simultaneously improving the construction quality, and can detach the whole structure by drawing a square fixing frame when the hard foam polyurethane heat preservation layer needs to be detached later, compared with the prior construction method, the method has better practicability, secondly, the hard foam polyurethane heat preservation layer has better heat preservation and water prevention performance, stronger self-adhesive performance can be firmly adhered with a polyurethane moisture-proof primer layer, the wind resistance is good, the hard foam polyurethane heat preservation layer can be self-extinguished in case of open fire, only carbonizes and does not drip during combustion, the indoor surface of the building outer wall can be effectively prevented from being wetted, the cracking caused by uneven cooling and heating of the building outer wall can be prevented, the method plays a better positive role in indoor energy saving, in addition, the veneer layer is pasted, the external wall heat-insulation energy-saving measures for the building constructed by the method are more attractive in appearance, the construction is strictly carried out according to the design standard of external wall heat-insulation energy-saving of the building, the construction quality and the performance of heat-insulation energy-saving and water drainage can be guaranteed, the later-stage successful acceptance is guaranteed, the method is particularly suitable for the later-stage heat-insulation energy-saving reconstruction of the external wall of the building, the defect that the measures are lacked in the later-stage heat-insulation energy-saving reconstruction of the existing external wall of the building is overcome.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for heat preservation, energy conservation and water drainage of a building outer wall comprises the following steps:
firstly, preparing a square fixing frame with the size matched with the building outer wall in advance according to the size of the building outer wall, uniformly welding a plurality of first thickness marker posts on one side surface of the square fixing frame, symmetrically welding two vertical baffles on two sides of the square fixing frame and welding a horizontal baffle at the bottom of the square fixing frame;
secondly, erecting a scaffold on one side of the outdoor surface of the building outer wall, and utilizing an electric drill to open a plurality of first mounting holes on the outdoor surface of the building outer wall by means of the scaffold;
thirdly, fixedly installing the square fixing frame on the outdoor surface of the building outer wall by utilizing the heat-insulating nails matched with the first installation holes, and simultaneously ensuring that the orientations of the two vertical baffles and the horizontal baffle are far away from the building outer wall;
fourthly, a base layer interface mortar layer is fully coated on the outdoor surface of the building outer wall, the thickness of the base layer interface mortar layer is based on the covering of the first thickness marker post, and the edge of the base layer interface mortar layer is ensured to be attached to the two vertical baffles and the horizontal baffle;
fifthly, after the mortar layer of the interface of the base layer is dried, coating a polyurethane moisture-proof primer layer on the surface of the mortar layer of the interface of the base layer, and ensuring that the polyurethane moisture-proof primer layer is uniformly coated without brush leakage and bottom penetration;
sixthly, after the polyurethane moisture-proof primer layer to be coated is dried, uniformly spraying hard foam polyurethane on the surface of the polyurethane moisture-proof primer layer by using a spraying machine to prepare a hard foam polyurethane heat-insulating layer, inserting second thickness standard rods according to 8 cm-spaced plum blossom-shaped distribution when the spraying thickness of the hard foam polyurethane heat-insulating layer reaches 1cm, controlling the density of each square meter to be 3-5, and continuously spraying the hard foam polyurethane until the second thickness standard rods are covered;
seventhly, after the hard foam polyurethane heat-insulating layer is sprayed for 30min, cleaning and finishing the edge of the hard foam polyurethane heat-insulating layer and the raised part on the surface of the hard foam polyurethane heat-insulating layer, and after finishing and spraying for 4h, spraying a special polyurethane interface agent layer on the surface of the hard foam polyurethane heat-insulating layer;
eighthly, after the polyurethane special interface agent layer is dried after construction, fixing the hot-dip galvanized steel wire mesh on the surface of the polyurethane special interface agent layer by adopting glue powder polyphenyl particle leveling slurry;
and ninthly, coating a layer on the surface of the hot-dip galvanized steel wire mesh after the hot-dip galvanized steel wire mesh is fixed for 3-5 days, pasting a finish coat on the surface of the anti-crack mortar layer, and removing the scaffold after the finish coat is pasted.
By adopting the technical scheme, the square fixed frame is fixedly installed on the outdoor surface of the building outer wall, the two vertical baffles are symmetrically welded on the two sides of the square fixed frame, and the horizontal baffle is welded at the bottom of the square fixed frame, so that the edges of the prepared base layer interface mortar layer, the polyurethane moisture-proof primer layer, the rigid foam polyurethane heat-insulating layer, the special polyurethane interfacial agent layer and the anti-crack mortar layer are relatively smooth under the action of the horizontal baffle and the two vertical baffles, the workload of trimming the edges greatly can be reduced, the working efficiency is improved, the construction quality is improved, secondly, the prepared base layer interface mortar layer, the polyurethane moisture-proof primer layer, the rigid foam polyurethane heat-insulating layer, the special polyurethane interfacial agent layer and the anti-crack mortar layer are completely positioned at the inner sides of the two vertical baffles, the horizontal baffle and the square fixed frame, and for the later period of dismounting the rigid foam polyurethane heat-insulating layer, the integral structure can be disassembled by drawing the square fixing frame, compared with the existing construction method, the method has better practicability, secondly, the hard foam polyurethane heat-insulating layer has better heat-insulating and waterproof performance, stronger self-adhesive performance can be firmly bonded with a polyurethane moisture-proof primer layer, the wind resistance performance is good, the hard foam polyurethane heat-insulating layer is self-extinguished when meeting open fire, only carbonization is carried out during combustion, dripping is avoided, the indoor surface of the building outer wall can be effectively prevented from being damped, cracking caused by uneven cooling and heating of the building outer wall can also be prevented, better positive effects can be achieved on indoor energy conservation, in addition, the decorative surface layer is arranged by pasting, and the appearance of the building outer wall heat-insulating and energy-saving measures constructed by the method.
Furthermore, the four corners of the square fixing frame are aligned with the four corners of the building outer wall, the square fixing frame is made of aluminum alloy materials or made of PVC materials, and the thickness of the square fixing frame is 2-3 mm.
By adopting the technical scheme, the building outer wall heat-insulating and energy-saving measures constructed by the method can comprehensively protect the outdoor surface of the building outer wall, and the square fixing frame is made of aluminum alloy materials or PVC materials, so that the square fixing frame is lighter in weight, the bearing burden of the building outer wall is reduced, and the square fixing frame is corrosion-resistant and long in service life.
Furthermore, a plurality of through holes used for being matched with the heat-preservation nails are reserved on the square fixing frame.
Through adopting above-mentioned technical scheme, be convenient for fix square fixed frame through the installation of heat preservation nail.
Further, the inside welding of square fixed frame has a vertical connecting rod and at least three transverse connection pole at least, just vertical connecting rod with transverse connection pole intersection fixed connection, also the welding has a plurality of first thickness benchmarks on the side of vertical connecting rod.
Through adopting above-mentioned technical scheme, vertical connecting rod and at least three transverse connection pole intersect each other and form netted, thereby make the structure of square fixed frame more stable, make the outdoor face of the integration between square fixed frame and building outer wall that foundation bed interface mortar layer can be firm, thereby make the building outer wall heat preservation energy-saving measure of this method construction more firm, the setting of first thickness sighting rod, when making construction foundation bed interface mortar layer, the thickness on foundation bed interface mortar layer is more easily to the accuse.
Furthermore, a plurality of first thickness sighting rod and two vertical baffle with horizontal baffle's orientation direction is unanimous setting, and a plurality of the homogeneous body is equipped with a plurality of anti-skidding lines on the surface of first thickness sighting rod.
Through adopting above-mentioned technical scheme, the on-surface anti-skidding line of first thickness sighting rod can increase the cohesion between base layer interface mortar layer and the square fixed frame to make square fixed frame and base layer interface mortar layer be difficult for droing from the outdoor face of building outer wall.
Further, the length of the first thickness marking rod is 1-1.5cm, the thickness of the polyurethane moisture-proof primer layer is 1-3mm, the length of the second thickness marking rod is 3-5cm, the thickness of the polyurethane special interface agent layer is 2-4mm, and the thickness of the anti-crack mortar layer is 1-1.5 cm.
By adopting the technical scheme, the building external wall heat-insulation energy-saving measures constructed by the method can meet the design standard of building external wall heat-insulation energy-saving, and the later-stage successful acceptance is ensured.
Furthermore, the facing layer is a ceramic tile, a plurality of semicircular convex strips are integrally and uniformly arranged on the surface of the facing layer, and a water guide groove is reserved between every two adjacent semicircular convex strips.
By adopting the technical scheme, the windproof effect of the plurality of semicircular convex strips is better, rainwater can easily flow into the water guide groove along the semicircular convex strips, and meanwhile, the waterproof performance of the building external wall heat-insulation energy-saving measure row constructed by the method is better due to the better waterproof capacity of the ceramic tile.
Furthermore, the top of the building outer wall is also provided with a triangular flashing plate of which the upper surface is of an inclined plane structure, a reinforcing steel bar inserting rod is fixedly arranged at the bottom of the triangular flashing plate, a second mounting hole of which the diameter is larger than that of the reinforcing steel bar inserting rod is formed in the top surface of the building outer wall, and the reinforcing steel bar inserting rod is fixedly inserted into the second mounting hole.
Through adopting above-mentioned technical scheme, triangle-shaped dash board hide rain effectual better, can prevent effectively that the rainwater from stretching into the outdoor face of building outer wall along the top of building outer wall on, the setting of reinforcing bar inserted bar and second mounting hole for triangle-shaped dash board installation is more convenient, and triangle-shaped dash board is difficult for droing.
Further, the spraying machine is a high-pressure airless spraying machine with the pressure of more than 10 MPa.
By adopting the technical scheme, the high-pressure airless sprayer with the pressure greater than 10MPa is adopted for spraying the hard bubble polyurethane, and the prepared hard bubble polyurethane heat-insulating layer can form a heat-insulating waterproof layer which is seamless, deep in penetration and firm in bonding, so that the heat-insulating waterproof performance of the hard bubble polyurethane heat-insulating layer is better.
Further, the hard foam polyurethane is prepared by uniformly stirring and mixing two rubber materials of the isocyanate and the polyether polyol according to the weight ratio of 2:1 by a stirrer.
By adopting the technical scheme, the prepared hard foam polyurethane has excellent fireproof performance and better heat-preservation and waterproof performance.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the workload of trimming the edge greatly can be reduced, so that the working efficiency is improved, the construction quality is improved, and when the hard foam polyurethane heat-insulating layer needs to be disassembled at the later stage, the integral structure can be disassembled by drawing the square fixing frame;
2. according to the invention, the outdoor surface of the building outer wall can be comprehensively protected, and the square fixing frame is made of aluminum alloy material or PVC material, so that the square fixing frame has lighter weight, the load bearing burden of the building outer wall is reduced, and the square fixing frame is corrosion-resistant and has long service life;
3. according to the invention, the vertical connecting rods and the at least three transverse connecting rods are mutually intersected to form a net shape, so that the structure of the square fixing frame is more stable, and a base layer interface mortar layer can be firmly fused between the square fixing frame and the outdoor surface of the building outer wall, so that the building outer wall constructed by the method is more firm in heat preservation and energy saving measures, and the thickness of the base layer interface mortar layer is easier to control due to the arrangement of the first thickness marker post;
4. the invention is constructed according to the design standard of the thermal insulation and energy conservation of the external wall of the building strictly, can ensure the construction quality and the performance of the thermal insulation and energy conservation and the water discharge so as to ensure the later-stage successful acceptance check, is particularly suitable for the later-stage thermal insulation and energy conservation transformation of the external wall of the building, and overcomes the defect of lack of measures for the later-stage thermal insulation and energy conservation transformation of the external wall of the building at present.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a partial explosion configuration according to an embodiment of the present invention;
FIG. 4 is a second schematic diagram of a partial explosion structure according to an embodiment of the present invention;
FIG. 5 is a third schematic diagram of a partial explosion structure according to an embodiment of the present invention;
FIG. 6 is a fourth schematic diagram of a partial explosion structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a veneer layer according to one embodiment of the invention;
FIG. 8 is a fifth schematic view of a partial explosion structure according to an embodiment of the present invention;
fig. 9 is a sixth schematic view of a partial explosion structure according to an embodiment of the present invention.
In the figure: 1. building exterior walls; 2. a square fixing frame; 3. a vertical baffle; 4. a horizontal baffle; 5. a base layer interface mortar layer; 6. a hard foam polyurethane heat-insulating layer; 7. a polyurethane-specific interfacial agent layer; 8. hot galvanizing a steel wire mesh; 9. an anti-crack mortar layer; 10. a finishing layer; 11. a first mounting hole; 12. a triangular flashing; 13. a second mounting hole; 14. inserting a steel bar into the rod; 15. insulating nails; 16. a first thickness target; 17. a vertical connecting rod; 18. a transverse connecting rod; 19. semicircular convex strips.
Detailed Description
The present invention is described in further detail below with reference to figures 1-9.
Examples
A method for heat preservation, energy conservation and water drainage of a building outer wall comprises the following steps:
firstly, a square fixing frame 2 with the size matched with that of a building outer wall 1 is prepared in advance according to the size of the building outer wall 1, a plurality of first thickness marker posts 16 are uniformly welded on one side face of the square fixing frame 2, two vertical baffles 3 are symmetrically welded on two sides of the square fixing frame 2, and a horizontal baffle 4 is welded at the bottom of the square fixing frame 2;
secondly, erecting a scaffold on one outdoor side of the building outer wall 1, and utilizing an electric drill to open a plurality of first mounting holes 11 on the outdoor side of the building outer wall 1 by means of the scaffold;
thirdly, fixedly installing the square fixing frame 2 on the outdoor surface of the building outer wall 1 by utilizing the heat-insulating nails 15 matched with the first installation holes 11, and simultaneously ensuring that the two vertical baffles 3 and the horizontal baffle 4 are arranged far away from the building outer wall 1;
fourthly, a base layer interface mortar layer 5 is fully coated on the outdoor surface of the building outer wall 1, the thickness of the base layer interface mortar layer 5 is based on the covering of the first thickness mark post 16, and the edge of the base layer interface mortar layer 5 is ensured to be attached to the two vertical baffles 3 and the horizontal baffle 4;
fifthly, after the base layer interface mortar layer 5 is dried, coating a polyurethane moisture-proof primer layer on the surface of the base layer interface mortar layer 5, and ensuring that the polyurethane moisture-proof primer layer is uniformly coated without brush leakage and bottom penetration;
sixthly, after the polyurethane moisture-proof primer layer to be coated is dried, uniformly spraying hard foam polyurethane on the surface of the polyurethane moisture-proof primer layer by using a spraying machine to prepare a hard foam polyurethane heat-insulating layer 6, inserting second thickness standard rods according to 8 cm-spaced plum blossom-shaped distribution when the spraying thickness of the hard foam polyurethane heat-insulating layer 6 reaches 1cm, controlling the density of each square meter to be 3-5, and continuously spraying the hard foam polyurethane until the second thickness standard rods are covered;
seventhly, after the hard foam polyurethane heat-insulating layer 6 is sprayed for 30min, cleaning and finishing the edge of the hard foam polyurethane heat-insulating layer 6 and the surface convex part of the hard foam polyurethane heat-insulating layer 6, and after finishing and spraying for 4h, spraying a special polyurethane interface agent layer 7 on the surface of the hard foam polyurethane heat-insulating layer 6;
eighthly, after the polyurethane special interface agent layer 7 is dried after construction, fixing the hot-dip galvanized steel wire mesh 8 on the surface of the polyurethane special interface agent layer 7 by adopting glue powder polyphenyl particle leveling slurry;
and ninthly, coating a layer on the surface of the hot-dip galvanized steel wire mesh 8 after the hot-dip galvanized steel wire mesh is fixed for 3-5 days, sticking a finishing coat 10 on the surface of the anti-crack mortar layer 9, and removing the scaffold after the finishing coat 10 is stuck.
By adopting the technical scheme, the square fixed frame 2 is fixedly installed on the outdoor surface of the building outer wall 1, the two vertical baffles 3 are symmetrically welded on the two sides of the square fixed frame 2, and the horizontal baffle 4 is welded at the bottom of the square fixed frame 2, so that the edges of the prepared base layer interface mortar layer 5, the polyurethane moisture-proof primer layer, the hard foam polyurethane heat-insulating layer 6, the polyurethane special-purpose interface agent layer 7 and the anti-crack mortar layer 9 are relatively smooth under the action of the horizontal baffle 4 and the two vertical baffles 3, the workload of trimming the edges greatly can be reduced, the working efficiency is improved, the construction quality is improved, secondly, the prepared base layer interface mortar layer 5, the polyurethane moisture-proof primer layer, the hard foam polyurethane heat-insulating layer 6, the polyurethane special-purpose interface agent layer 7 and the anti-crack mortar layer 9 are completely positioned at the inner sides of the two vertical baffles 3, the horizontal baffles 4 and the square fixed frame 2, for the later stage when needing to dismantle the rigid foam polyurethane heat preservation 6, the overall structure is dismantled to the square fixed frame 2 of accessible tractive, compare current construction method, the method practicality is better, secondly rigid foam polyurethane heat preservation 6 possesses better heat preservation waterproof performance, stronger self-adhesion performance can with the firm bonding of polyurethane dampproofing priming paint layer, wind resistance can be good, meet naked light and put out by oneself, only carbonize and not drip during the burning, can effectively prevent building outer wall 1's indoor face from weing, also can prevent to lead to the fracture because of building outer wall 1 cold and hot inequality, also play better positive effect to indoor energy saving, in addition, through pasting decorative finish coat 10, make the building outer wall heat preservation energy-saving measure outward appearance that the method was under construction more pleasing to the eye.
Preferably, the four corners of the square fixing frame 2 are aligned with the four corners of the building outer wall 1, the square fixing frame 2 is made of aluminum alloy or PVC, and the thickness of the square fixing frame 2 is 2-3 mm.
By adopting the technical scheme, the building outer wall heat-insulating and energy-saving measures constructed by the method can comprehensively protect the outdoor surface of the building outer wall 1, and the square fixing frame 2 is made of aluminum alloy materials or PVC materials, so that the square fixing frame 2 is lighter in weight, the bearing burden of the building outer wall 1 is reduced, and the building outer wall heat-insulating and energy-saving measures are corrosion-resistant and long in service life.
Preferably, a plurality of through holes used for matching the heat preservation nails 15 are reserved on the square fixing frame 2.
Through adopting above-mentioned technical scheme, be convenient for fix square fixed frame 2 through the installation of heat preservation nail 15.
Preferably, the inside welding of square fixed frame 2 has a vertical connecting rod 17 and at least three transverse connection pole 18 at least, just vertical connecting rod 17 with transverse connection pole 18 junction fixed connection, also the welding has a plurality of first thickness benchmarks 16 on a side of vertical connecting rod 17.
Through adopting above-mentioned technical scheme, vertical connecting rod 17 and at least three transverse connection 18 intersect each other and form netted, thereby make the structure of square fixed frame 2 more stable, make the outdoor face of the integration of base layer interface mortar layer 5 can be firm between square fixed frame 2 and building outer wall 1, thereby make the building outer wall heat preservation energy-saving measure of this method construction more firm, the setting of first thickness sighting rod 16, when making construction base layer interface mortar layer 5, the thickness of base layer interface mortar layer 5 is more easily controlled.
Preferably, the orientation directions of the first thickness marker posts 16, the two vertical baffles 3 and the horizontal baffles 4 are arranged in a consistent manner, and a plurality of anti-slip lines are uniformly arranged on the surface of the first thickness marker posts 16.
By adopting the above technical scheme, the anti-slip lines on the surface of the first thickness marker post 16 can increase the binding force between the base layer interface mortar layer 5 and the square fixing frame 2, so that the square fixing frame 2 and the base layer interface mortar layer 5 are not easy to fall off from the outdoor surface of the building outer wall 1.
Preferably, the length of the first thickness mark post 16 is 1-1.5cm, the thickness of the polyurethane moisture-proof primer layer is 1-3mm, the length of the second thickness mark post is 3-5cm, the thickness of the polyurethane special interface agent layer 7 is 2-4mm, and the thickness of the anti-crack mortar layer 9 is 1-1.5 cm.
By adopting the technical scheme, the building external wall heat-insulation energy-saving measures constructed by the method can meet the design standard of building external wall heat-insulation energy-saving, and the later-stage successful acceptance is ensured.
Preferably, the finishing layer 10 is a ceramic tile, a plurality of semicircular convex strips 19 are integrally and uniformly arranged on the surface of the finishing layer 10, and a water guide groove is reserved between every two adjacent semicircular convex strips 19.
By adopting the technical scheme, the windproof effect of the plurality of semicircular convex strips 19 is better, rainwater can easily flow into the water guide groove along the semicircular convex strips 19, and meanwhile, the waterproof performance of the building outer wall heat-insulating energy-saving measure row constructed by the method is better due to the better water-resisting capability of the ceramic tiles.
Preferably, the top of the building outer wall 1 is further provided with a triangular flashing 12 with an inclined surface structure on the upper surface, the bottom of the triangular flashing 12 is fixedly provided with a steel bar inserting rod 14, the top surface of the building outer wall 1 is provided with a second mounting hole 13 with a diameter larger than that of the steel bar inserting rod 14, and the steel bar inserting rod 14 is fixedly inserted into the second mounting hole 13.
Through adopting above-mentioned technical scheme, triangle-shaped dash board 12 hides rain effect better, can prevent effectively that the rainwater from stretching into building outer wall 1's outdoor face along building outer wall 1's top on, the setting of reinforcing bar inserted bar 14 and second mounting hole 13 for triangle-shaped dash board 12 installation is more convenient, and triangle-shaped dash board 12 is difficult for droing.
When the triangular flashing 12 is installed, concrete is poured into the second installation hole 13, a layer of concrete with the length of about 1cm is smeared on the top of the building outer wall 1, and then the steel bar inserting rod 14 is inserted into the second installation hole 13 to tightly press the triangular flashing 12.
Preferably, the sprayer is a high-pressure airless sprayer with the pressure of more than 10 MPa.
By adopting the technical scheme, the high-pressure airless sprayer with the pressure greater than 10MPa is adopted for spraying the hard-bubble polyurethane, and the prepared hard-bubble polyurethane heat-insulating layer 6 can form a heat-insulating waterproof layer which is seamless, deep in penetration and firm in bonding, so that the heat-insulating waterproof performance of the hard-bubble polyurethane heat-insulating layer 6 is better.
Preferably, the hard foam polyurethane is prepared by uniformly stirring two rubber materials of an isohydric acid ester and polyether polyol by a stirrer according to the weight ratio of 2: 1.
By adopting the technical scheme, the prepared hard foam polyurethane has excellent fireproof performance and better heat-preservation and waterproof performance.
In the embodiment, the base layer interface mortar layer 5 can be prepared by adopting interface treatment mortar, the interface treatment mortar can firmly bond a base layer, the surface of the base layer can be well bonded and covered by new mortar, and the material has bidirectional affinity, can seal the gap of a base material, reduce the absorptivity of a wall body, achieve the purposes of retarding, reducing the moisture in the light masonry pumping covering mortar and ensure that the covering mortar material is bonded and gelled under better conditions; the polyurethane moisture-proof primer is prepared from high polymer resin, various additives and diluents, is a special material specially used for moisture and air insulation of an insulating layer of an external wall, has excellent adhesive force with various building materials of various masonry materials, such as steel, cement, sand, stones and tiles, and has excellent adhesive property and adhesive force after the primer is sprayed on the external wall, so that the heat-insulating and waterproof properties of the external wall can completely reach the national standard no matter polyurethane foam plastic or polystyrene board or other heat-insulating materials are used; the special polyurethane interfacial agent is prepared by taking synthetic resin emulsion with good adhesive property with polyurethane as a main adhesive and compounding various additives and fillers; the anti-crack mortar layer 9 can be made of plastering anti-crack mortar, and the plastering anti-crack mortar is a high-tech product which is manufactured by a unique process by taking high-quality fibers and imported rubber powder as raw materials and other auxiliary agents.
In summary, the following steps: the method for heat preservation, energy conservation and water drainage of the building outer wall can reduce the workload of trimming the edge greatly, thereby improving the working efficiency and the construction quality, compared with the prior construction method, the method has better practicability when the integral structure is disassembled by pulling the square fixing frame 2 when the hard foam polyurethane heat-insulating layer 6 needs to be disassembled later, secondly, the hard foam polyurethane heat-insulating layer 6 has better heat-insulating and waterproof performance, stronger self-adhesive performance can be firmly bonded with the polyurethane moisture-proof primer layer, the wind resistance is good, the hard foam polyurethane heat-insulating layer can be self-extinguished when meeting open fire, only carbonizes and does not drip when burning, can effectively prevent the indoor surface of the building outer wall 1 from being affected with damp, can also prevent the cracking caused by uneven cooling and heating of the building outer wall 1, the method has a good positive effect on indoor energy conservation, and in addition, the appearance of the building external wall heat-insulation energy-saving measure constructed by the method is more attractive by sticking the decorative surface layer 10; the outdoor surface of the building outer wall 1 can be comprehensively protected, and the square fixing frame 2 is made of aluminum alloy materials or PVC materials, so that the square fixing frame 2 is lighter in weight, the bearing burden of the building outer wall 1 is reduced, and the square fixing frame is corrosion-resistant and long in service life; the vertical connecting rods 17 and the at least three transverse connecting rods 18 are mutually intersected to form a net shape, so that the structure of the square fixing frame 2 is more stable, and the base layer interface mortar layer 5 can be firmly fused between the square fixing frame 2 and the outdoor surface of the building outer wall 1, so that the heat-insulating and energy-saving measures of the building outer wall constructed by the method are more firm, and the first thickness marker post 16 is arranged, so that the thickness of the base layer interface mortar layer 5 is easier to control when the base layer interface mortar layer 5 is constructed; construction is carried out according to the design standard of thermal insulation and energy conservation of the building outer wall strictly, the construction quality and the performance of thermal insulation and energy conservation and water drainage can be guaranteed, so that the later stage is guaranteed to be successfully checked and accepted, meanwhile, the method is particularly suitable for the later stage thermal insulation and energy conservation transformation of the building outer wall, and the defect that the existing later stage thermal insulation and energy conservation transformation of the building outer wall is lack of measures is overcome.
The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A method for heat preservation, energy conservation and water drainage of a building outer wall is characterized by comprising the following steps: the method comprises the following steps:
firstly, a square fixing frame (2) with the size matched with that of the building outer wall (1) is prepared in advance according to the size of the building outer wall (1), a plurality of first thickness marker posts (16) are uniformly welded on one side surface of the square fixing frame (2), two vertical baffles (3) are symmetrically welded on two sides of the square fixing frame (2), and a horizontal baffle (4) is welded at the bottom of the square fixing frame (2);
secondly, erecting a scaffold on one outdoor side of the building outer wall (1), and utilizing an electric drill to open a plurality of first mounting holes (11) on the outdoor side of the building outer wall (1) by means of the scaffold;
thirdly, the square fixing frame (2) is fixedly installed on the outdoor surface of the building outer wall (1) by utilizing the heat-insulating nails (15) to be matched with the first installation holes (11), and the orientation of the two vertical baffles (3) and the horizontal baffle (4) is ensured to be far away from the building outer wall (1);
fourthly, a base layer interface mortar layer (5) is fully coated on the outdoor surface of the building outer wall (1), the thickness of the base layer interface mortar layer (5) is based on the covering of a first thickness marker post (16), and the edge of the base layer interface mortar layer (5) is ensured to be attached to the two vertical baffles (3) and the horizontal baffle (4);
fifthly, after the base layer interface mortar layer (5) is dried, coating a polyurethane moisture-proof primer layer on the surface of the base layer interface mortar layer (5), and ensuring that the polyurethane moisture-proof primer layer is uniformly coated without brush leakage and bottom penetration;
sixthly, after the polyurethane moisture-proof primer layer to be coated is dried, uniformly spraying hard foam polyurethane on the surface of the polyurethane moisture-proof primer layer by using a spraying machine to prepare a hard foam polyurethane heat-insulating layer (6), inserting second thickness standard rods according to 8 cm-spacing plum blossom-shaped distribution when the spraying thickness of the hard foam polyurethane heat-insulating layer (6) reaches 1cm, controlling the density of each square meter to be 3-5, and continuously spraying the hard foam polyurethane until the second thickness standard rods are covered;
seventhly, after the hard foam polyurethane heat-insulating layer (6) is sprayed for 30min, cleaning and finishing the edge of the hard foam polyurethane heat-insulating layer (6) and the convex part on the surface of the hard foam polyurethane heat-insulating layer (6), and after finishing and spraying for 4h, spraying a special polyurethane interface agent layer (7) on the surface of the hard foam polyurethane heat-insulating layer (6);
eighthly, after the polyurethane special interface agent layer (7) is constructed and dried, fixing the hot-dip galvanized steel wire mesh (8) on the surface of the polyurethane special interface agent layer (7) by adopting glue powder polyphenyl particle leveling slurry;
ninth, after the hot-dip galvanized steel wire mesh (8) is fixed for 3-5 days, a layer is coated on the surface of the hot-dip galvanized steel wire mesh, a finishing coat (10) is pasted on the surface of the anti-crack mortar layer (9), and the scaffold is removed after the finishing coat (10) is pasted;
the four corners of square fixed frame (2) with the four corners of building outer wall (1) aligns the setting, square fixed frame (2) are made or the PVC material is made for the aluminum alloy material, just the thickness of square fixed frame (2) is 2-3 mm.
2. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: a plurality of through holes used for being matched with the heat-preservation nails (15) are reserved on the square fixing frame (2).
3. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the welding of the inside of square fixed frame (2) has a vertical connecting rod (17) and at least three transverse connection pole (18) at least, just vertical connecting rod (17) with transverse connection pole (18) intersection fixed connection, also the welding has a plurality of first thickness sighting rod (16) on the side of vertical connecting rod (17).
4. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: a plurality of first thickness sighting rod (16) and two vertical baffle (3) with the orientation direction of horizontal baffle (4) sets up for unanimous, and a plurality of homogeneous body is equipped with a plurality of antiskid line on the surface of first thickness sighting rod (16).
5. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the length of the first thickness marker post (16) is 1-1.5cm, the thickness of the polyurethane moisture-proof primer layer is 1-3mm, the length of the second thickness marker post is 3-5cm, the thickness of the polyurethane special interface agent layer (7) is 2-4mm, and the thickness of the anti-cracking mortar layer (9) is 1-1.5 cm.
6. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the decorative surface layer (10) is a ceramic tile, a plurality of semicircular convex strips (19) are integrally and uniformly arranged on the surface of the decorative surface layer (10), and a water guide groove is reserved between every two adjacent semicircular convex strips (19).
7. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the top of building outer wall (1) still is equipped with triangle-shaped dash board (12) that the upper surface is the inclined plane structure, the fixed reinforcing bar inserted bar (14) that is equipped with in bottom of triangle-shaped dash board (12), seted up the diameter on the top surface of building outer wall (1) and be greater than second mounting hole (13) of reinforcing bar inserted bar (14), reinforcing bar inserted bar (14) are fixed assigns and inserts the inside of second mounting hole (13).
8. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the spraying machine is a high-pressure airless spraying machine with the pressure of more than 10 MPa.
9. The method for heat preservation, energy conservation and water drainage of the exterior wall of the building as claimed in claim 1, wherein: the hard foam polyurethane is prepared by uniformly stirring two sizing materials of an isohydric acid ester and polyether glycol according to the weight ratio of 2:1 by a stirrer.
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| DE20306466U1 (en) * | 2003-04-25 | 2003-10-23 | Bauelemente GmbH F.J. Linzmeier, 88499 Riedlingen | Thermal insulation panel comprises insulating layer between cover layers which project beyond edges of panel on one side to form strips fitting over grooves on one side of adjacent panel when it is in position |
| CN100406655C (en) * | 2006-03-08 | 2008-07-30 | 北京中远汇丽精细化工有限公司 | Inner deposited and outer hung heat insulating coating for wall and its making process |
| CN201521068U (en) * | 2009-09-04 | 2010-07-07 | 魏玉杰 | Hard bubble polyurethane thin plasterer heat preservation system |
| CN104179263A (en) * | 2014-09-01 | 2014-12-03 | 中启胶建集团有限公司 | Building exterior wall external thermal insulation system waterproof and drainage construction method |
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