A construction method for improving thermal insulation and energy-saving performance of metal plate buildings

Abstract

The present invention discloses a construction method for improving the thermal insulation and energy-saving performance of metal plate buildings, which relates to the technical field related to buildings, and includes the following steps: S1: external wall installation, adding a heat reflective film and an air interlayer to the metal external wall; S2: roof installation, adding a heat reflective film and an air interlayer to the roof structure. The present invention utilizes a setting method in which a heat reflective film and an air interlayer are matched, and the heat reflective film can effectively block the transmission of radiant heat transfer, block the external heat radiation outside, and prevent the heat from directly entering the room or being lost from the room, while the air interlayer gives full play to its heat preservation and heat insulation role, so that the entire heat preservation and energy-saving system shows an extremely excellent energy-saving effect, whether in hot summer or cold winter, it can effectively reduce the exchange of indoor and outdoor heat, keep the indoor temperature relatively stable, save a lot of energy for the building, and also provide people with a more comfortable living environment.

Description

Technical Field

[0001] The invention relates to the technical field related to buildings, and in particular to a construction method for improving the thermal insulation and energy-saving performance of metal plate buildings. Background Art

[0002] Metal plates are a new type of external protective structure, but are widely used in industrial buildings and temporary buildings due to their high strength, good durability and low maintenance cost. Energy saving is a key way to prevent environmental pollution and alleviate the global energy crisis, and building exterior wall energy-saving and thermal insulation technology is a vital part of building energy saving.

[0003] The existing metal plate exterior walls and roofs have poor insulation effects, mainly because the metal itself has strong thermal conductivity and heat is easily transferred quickly. External heat can directly enter the room through the metal plate, and indoor heat is also easily dissipated to the outside, which cannot effectively block the entry and exit of heat. The lack of insulation measures causes the indoor temperature to be greatly affected by the external environment, making it cold in winter and hot in summer, causing discomfort to users, wasting energy, and failing to meet the requirements of building energy conservation. Summary of the invention

[0004] The object of the present invention is to provide a construction method for improving the thermal insulation and energy-saving performance of metal plate buildings, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a construction method for improving the thermal insulation and energy-saving performance of metal plate buildings, comprising the following steps:

[0006] S1: External wall installation, adding heat reflective film and air space to the metal external wall;

[0007] The exterior wall installation in step S1 includes the following steps:

[0008] S11: Install the wall purlins and fix the wall purlins with fixing parts;

[0009] S12: Install the insulation cotton, fix the insulation cotton on the wall purlins with fixing tools;

[0010] S13: Install the waterproof breathable membrane, and stick the waterproof breathable membrane on the thermal insulation membrane through the sealant;

[0011] S2: Roof installation, adding heat reflective film and air spacer to the roof structure;

[0012] The roof installation in step S2 includes the following steps:

[0013] S21: Installation of roof trusses and roof purlins, fix the roof trusses and roof purlins by welding;

[0014] S22: Install the thermal insulation cotton, fix the thermal insulation cotton on the roof purlins by using fixing tools;

[0015] S23: Installation of waterproof breathable membrane: fix the waterproof breathable membrane to the thermal insulation cotton through waterproof sealant.

[0016] Preferably, the exterior wall installation in step S1 further comprises the following steps:

[0017] S14: Heat reflective film installation: the heat reflective film is adhered to the outer side of the waterproof breathable membrane by an adhesive.

[0018] Preferably, the exterior wall installation in step S1 further comprises the following steps:

[0019] S15: Air gap setting: an air gap is set between the wall outer panel and the heat reflective film through a special bracket and a clamping tool;

[0020] S16: Install the outer wall panel, fix the outer wall panel to the bracket and the clip by fasteners, and fix the inner vapor barrier membrane and the inner wall panel at the same time.

[0021] Preferably, the fixing members in step S11 are bolts and nuts, the cross-section of the wall purlin is C-shaped, and the fixing tool in step S12 is one of glue and a clamp.

[0022] Preferably, in step S15, the thickness of the air layer is 20 mm, and the fastener is a self-tapping screw.

[0023] Preferably, the roof installation in step S2 further includes the following steps:

[0024] S24: Install the heat reflective film, and fix the heat reflective film on the outer side of the waterproof breathable membrane by using an adhesive.

[0025] Preferably, the roof installation in step S2 further includes the following steps:

[0026] S25: Install the outer metal sheet of the roof, fix the outer metal sheet of the roof with nails, and reserve an air space between the outer metal sheet of the roof and the heat reflective film;

[0027] S26: Heat insulation installation, with heat insulation pads at the nails.

[0028] Preferably, the cross-section of the roof purlin in step S21 is C-shaped, and the nails in step S25 are trough structure nails.

[0029] Preferably, in step S26, the thickness of the thermal insulation block is the same as the thickness of the air layer, and the thermal insulation block is used to isolate the corrugated structure nails from heat transfer.

[0030] Technical effects and advantages of the present invention:

[0031] The present invention utilizes a setting mode in which a heat reflective film, an air interlayer and a heat insulating pad are matched. The heat reflective film can effectively block the transfer of radiant heat transfer, block the external heat radiation outside, and prevent the heat from directly entering the room or being lost from the room, while the air interlayer gives full play to its heat preservation and heat insulation functions. Air itself is a poor conductor of heat, and the air layer in the middle forms an insulation belt, which can effectively reduce the conduction and convection of heat. When the heat reflective film is combined with the air interlayer, they cooperate with each other and work together. The heat reflective film prevents the radiant transfer of heat, and the air interlayer prevents the conduction and convection transfer of heat. The two complement each other, so that the entire heat preservation and energy-saving system shows an extremely excellent energy-saving effect. Whether in hot summer or cold winter, it can effectively reduce the exchange of indoor and outdoor heat, keep the indoor temperature relatively stable, save a lot of energy for the building, and also provide people with a more comfortable living environment. The trough structural nails are added with heat insulating pads to prevent the generation of thermal bridges, and the heat insulating pads are also used for the spacing control of the air interlayer. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the exterior wall metal plate of the present invention.

[0033] Figure 2 It is a structural schematic diagram of the roof metal plate of the present invention.

[0034] In the figure: 1. Inner wall panel; 2. Vapor barrier membrane; 3. Wall purlin; 4. Thermal insulation cotton; 5. Waterproof breathable membrane; 6. Heat reflective membrane; 7. Outer wall panel; 8. Roof truss; 9. Roof purlin; 10. Roof outer metal plate; 11. Air space; 12. Trough structure nails; 13. Thermal insulation pads. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] The present invention provides Figure 1-2 A construction method for improving the thermal insulation and energy-saving performance of a metal plate building is shown, comprising the following steps:

[0037] S1: External wall installation, adding heat reflection film 6 and air spacer 11 to the metal external wall;

[0038] S2: Roof installation, adding heat reflective film 6 and air spacer 11 to the roof structure.

[0039] By adding the heat reflective film 6 and the air interlayer 11 to the exterior wall and roof structure, the heat reflective film 6 can effectively block the transfer of radiant heat transfer, block the external heat radiation outside, and prevent the heat from directly entering the room or being lost from the room, while the air interlayer 11 gives full play to its heat preservation and heat insulation role. Air itself is a poor conductor of heat, and the air layer in the middle forms an insulation belt, which can effectively reduce the conduction and convection of heat. When the heat reflective film 6 is combined with the air interlayer 11, they work together. The heat reflective film 6 prevents the radiant transfer of heat, and the air interlayer 11 prevents the conduction and convection transfer of heat. The two complement each other, so that the entire heat preservation and energy-saving system shows an extremely excellent energy-saving effect. Whether in hot summer or cold winter, it can effectively reduce the exchange of indoor and outdoor heat, keep the indoor temperature relatively stable, save a lot of energy for the building, and also provide people with a more comfortable living environment.

[0040] Specifically, the exterior wall installation in step S1 includes the following steps:

[0041] S11: Install the wall purlin 3 and fix the wall purlin 3 with the fixing parts;

[0042] S12: Install the thermal insulation cotton 4, and fix the thermal insulation cotton 4 on the wall purlin 3 by using a fixing tool;

[0043] S13: installing the waterproof breathable membrane 5, and pasting the waterproof breathable membrane 5 on the thermal insulation membrane by means of a sealant;

[0044] S14: The heat reflective film 6 is installed. The heat reflective film 6 is adhered to the outer side of the waterproof breathable membrane 5 by an adhesive.

[0045] S15: Setting of air interlayer 11: between the wall outer panel 7 and the heat reflective film 6, an air interlayer 11 needs to be set by a special bracket and a clamping tool;

[0046] S16: The outer wall panel 7 is installed by fixing the outer wall panel 7 to the bracket and the clamping strip by fasteners, and the inner vapor barrier membrane 2 and the inner wall panel 1 are fixed at the same time.

[0047] Fixing the wall purlin 3 with fixing parts can provide a stable foundation for the installation of subsequent layers and ensure the firmness of the entire exterior wall structure. The fixing of the thermal insulation cotton 4 ensures a good thermal insulation effect and can effectively block the transfer of heat. The sticking of the waterproof and breathable membrane 5 prevents moisture penetration and ensures the dryness of the wall. The sticking of the heat-reflective film 6 can reflect heat, reduce the heat entering the room, and reduce the energy consumption of equipment such as air conditioners. The setting of the air layer 11 utilizes the thermal insulation properties of the air to further enhance the thermal insulation effect. Finally, the installation of the wall outer panel 7 and the fixing of the inner vapor barrier membrane 2 and the wall inner panel 1 make the entire exterior wall system have good sealing and stability, which can effectively play the role of thermal insulation and energy saving for a long time, reduce the energy consumption of the building, and improve the comfort of living.

[0048] Furthermore, in step S11, the fixing parts are bolts and nuts, and the cross-section of the wall purlin 3 is C-shaped. Bolts and nuts are used as fixing parts. The C-shaped wall purlin 3 can better cooperate with the bolts and nuts. By tightening the nuts, the wall purlin 3 can be firmly fixed to the wall. This fixing method has strong stability and load-bearing capacity, and can ensure the stability of the entire exterior wall structure.

[0049] Furthermore, in step S12, the fixing tool is one of glue and clamps. Glue can provide a relatively tight bonding effect, so that the thermal insulation cotton 4 fits tightly with the wall purlin 3 to ensure the thermal insulation effect; the clamp can provide fixing force while facilitating the adjustment and fixation of the thermal insulation cotton 4. The combination of the two can be flexibly selected according to actual conditions, thereby improving the efficiency and quality of fixation, better meeting the needs of exterior wall insulation construction, and helping to improve the performance and stability of the entire exterior wall system.

[0050] Furthermore, in step S15, the thickness of the air interlayer 11 is 20 mm, and the fastener is a self-tapping screw. The thickness of the air interlayer 11 is 20 mm, which is of great significance. The thinner air interlayer can reduce the space occupied while ensuring a certain thermal insulation performance, making the exterior wall structure more compact. The advantage of self-tapping screws as fasteners is that they are easy and quick to install, and can efficiently fix the wall outer panel 7 on the bracket and the card strip, and fix the inner vapor barrier membrane 2 and the wall inner panel 1 at the same time. The use of self-tapping screws in conjunction with the air interlayer can better maintain the integrity and stability of the air interlayer, avoid deformation or damage of the air interlayer due to external forces and other factors, thereby ensuring that the air interlayer effectively plays a role in thermal insulation, effectively reducing the transfer of indoor and outdoor heat, improving the thermal insulation and energy-saving effect of the entire exterior wall system, and creating a good indoor environment for the building.

[0051] Specifically, the roof installation in step S2 includes the following steps:

[0052] S21: The roof truss 8 and the roof purlin 9 are installed and fixed by welding. Welding can provide strong connection strength and stability to ensure the overall stability of the roof structure and withstand various external forces.

[0053] S22: Install the thermal insulation cotton 4. Fix the thermal insulation cotton 4 on the roof purlin 9 by using a fixing tool. Fixing the thermal insulation cotton 4 on the roof purlin 9 by using a fixing tool can effectively fix the thermal insulation material, ensure the thermal insulation performance of the roof, and reduce heat loss.

[0054] S23: The waterproof breathable membrane 5 is installed. The waterproof breathable membrane 5 is fixed and pasted on the thermal insulation cotton 4 through a waterproof sealant. The waterproof sealant can effectively prevent moisture penetration, keep the roof dry, and avoid structural damage caused by moisture;

[0055] S24: The heat reflective film 6 is installed and fixed on the outer side of the waterproof breathable membrane 5 by an adhesive. The heat reflective film 6 can reflect heat, reduce the heat absorbed by the roof, reduce the energy consumption of cooling equipment such as air conditioners, and play an energy-saving role.

[0056] S25: The outer metal plate 10 of the roof is installed. The outer metal plate 10 of the roof is fixed by nails, and an air layer 11 is reserved between the outer metal plate 10 of the roof and the heat reflective film 6. The nail fixation can ensure the firmness of the metal plate, and the air layer 11 uses the heat insulation performance of the air to further enhance the heat insulation effect and reduce the heat transfer between the inside and outside of the roof;

[0057] S26: Heat insulation installation: a heat insulation pad 13 is arranged at the nail, which can further block heat transfer, reduce heat loss caused by heat conduction of the nail, and improve the heat insulation performance of the roof.

[0058] Furthermore, in step S21, the cross section of the roof purlin 9 is C-shaped, and in step S25, the nail is a trough structure nail 12. The C-shaped shape has good mechanical properties. The two wings of the C-shaped shape can increase the bending and torsion resistance of the roof purlin 9, and can better withstand the load of the roof, such as snow, wind load, etc., making the roof structure more stable. The design of the trough structure allows the nail to be better embedded in the trough part of the metal plate when connected to the outer metal plate 10 of the roof, increasing the friction and bite force between the nail and the metal plate, so that the outer metal plate 10 of the roof is fixed more firmly and not easy to loosen or fall off. At the same time, the trough structure can also play a certain limiting role on the metal plate, avoiding displacement or deformation of the metal plate when subjected to external force, further improving the overall stability and durability of the roof.

[0059] Furthermore, in step S26, the thickness of the heat-insulating pad 13 is the same as the thickness of the air interlayer 11. The heat-insulating pad 13 is used to isolate the corrugated structure nails from heat transfer. The same thickness ensures the coordination and unity of the overall structure, which is more beautiful and regular in appearance and installation, and will not cause incoordination of the local structure due to the thickness difference. Secondly, the heat transfer of the corrugated structure nail 12 is effectively isolated. When the corrugated structure nail 12 is fixing the outer metal plate 10 and other components of the roof, it may become a path for heat conduction, and the setting of the heat-insulating pad is like a barrier, which prevents the heat from being transferred along the nail, thereby reducing the heat transfer from the outer layer of the roof to the internal structure, greatly improving the thermal insulation performance of the entire roof system, helping to reduce the indoor temperature, reduce the energy consumption of refrigeration equipment such as air conditioners, and create a more comfortable environment for the room. At the same time, it can also extend the service life of the roof structure and related internal components and reduce maintenance costs. The heat-insulating pad 13 is also used for the spacing control of the air interlayer 11, because the spacing of the air interlayer 11 has an important influence on the thermal insulation effect. If the spacing is too large, the thermal insulation performance of the air will be reduced, causing heat to be easily transferred through the air layer 11. If the spacing is too small, it may affect the circulation of the air, resulting in poor thermal insulation effect. The use of thermal insulation pads 13 can accurately control the spacing of the air layer 11 according to actual needs, which not only ensures the thermal insulation performance of the air, but also ensures the circulation of the air, thereby achieving the best thermal insulation effect. In addition, the thermal insulation pads 13 also have good heat resistance and durability, and can work stably for a long time in a high temperature environment. It will not be deformed or damaged due to temperature changes, thereby ensuring the overall stability and reliability of the building envelope structure. At the same time, the installation of the thermal insulation pads 13 is also very convenient. It can be installed together with the trough structure nails 12, without the need for additional construction procedures, saving construction time and cost.

[0060] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings, characterized in that: The following steps are involved: S1: External wall installation, adding a heat reflective film (6) and an air layer (11) to the metal external wall; The exterior wall installation in step S1 includes the following steps: S11: Install the wall purlins, and fix the wall purlins (3) with fixing parts; S12: Installing the thermal insulation cotton (4), fixing the thermal insulation cotton (4) on the wall purlin (3) by using a fixing tool; S13: installing the waterproof breathable membrane (5), and pasting the waterproof breathable membrane (5) on the thermal insulation membrane by means of a sealant; S2: Roof installation, adding a heat reflective film (6) and an air layer (11) to the roof structure; The roof installation in step S2 includes the following steps: S21: installing the roof truss (8) and the roof purlin (9), and fixing the roof truss (8) and the roof purlin (9) by welding; S22: Installing the thermal insulation cotton (4), fixing the thermal insulation cotton (4) on the roof purlin (9) by using a fixing tool; S23: installing the waterproof breathable membrane (5), and fixing and adhering the waterproof breathable membrane (5) to the thermal insulation cotton (4) by using a waterproof sealant.

2. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 1, characterized in that: The exterior wall installation in step S1 further includes the following steps: S14: installing the heat reflective film (6), by pasting the heat reflective film (6) on the outer side of the waterproof breathable film (5) using an adhesive.

3. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 2, characterized in that: The exterior wall installation in step S1 further includes the following steps: S15: an air space (11) is provided between the wall outer panel (7) and the heat reflective film (6) by using a special bracket and a clamping tool; S16: Install the outer wall panel (7), fix the outer wall panel (7) to the bracket and the clamping strip by fasteners, and fix the inner vapor barrier membrane (2) and the inner wall panel (1) at the same time.

4. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 2, characterized in that: In the step S11, the fixing parts are bolts and nuts, the cross section of the wall purlin (3) is C-shaped, and the fixing tool in the step S12 is one of glue and a clamp.

5. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 3, characterized in that: In the step S15, the thickness of the air layer (11) is 20 mm, and the fastener is a self-tapping screw.

6. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 1, characterized in that: The roof installation in step S2 also includes the following steps: S24: installing the heat reflective film (6), and fixing and adhering the heat reflective film (6) to the outer side of the waterproof breathable film (5) by using an adhesive.

7. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 6, characterized in that: The roof installation in step S2 also includes the following steps: S25: installing the outer metal sheet (10) of the roof, fixing the outer metal sheet (10) of the roof by nails, and reserving an air layer (11) between the outer metal sheet (10) of the roof and the heat reflective film (6); S26: Heat insulation installation, a heat insulation pad (13) is arranged at the nail position.

8. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 6, characterized in that: The cross section of the roof purlin (9) in step S21 is C-shaped, and the nails in step S25 are trough structure nails (12).

9. A construction method for improving the thermal insulation and energy-saving performance of metal plate buildings according to claim 7, characterized in that: The thickness of the heat insulating pad (13) in step S26 is the same as the thickness of the air layer (11), and the heat insulating pad (13) is used to isolate the corrugated structure nails from heat transfer.

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